Why is my furnace making loud noises?

Bangs, Clicks, and Screeches: Why Skipping AC Maintenance Leads to Winter Nightmares

Often, a household is a busy place with lots of noise and activity. Our minds do not process all the stimuli that our eyes, ears, noses, and mouths take in during a single day. Even when everything settles and quiets down, there is plenty to hear. These are the background noises of life, different in each home, yet unique enough to make us familiar with our surroundings.

A portion of that ambient sound is the familiar sounds of heating cycles during the winter. Some furnaces are whisper-quiet, and you barely notice the sound. Others are louder or more evident. Sometimes, a furnace will begin making noises that register as unusual and not a part of what is normally heard. Should you be concerned about loud, unusual noises from the furnace? Here is a short list of uncommon furnace noises and their significance and why you need AC maintenance.

The Link Between Noisy Heaters and AC Maintenance

Loud Pops or Bangs

The normal heating cycle involves a rather precise series of events with a singular result.

The thermostat registers that the indoor temperature has fallen below the comfort setting of the family.
It sends an electronic message to the furnace, calling for heat
The signal opens the gas valve, releasing gas from the burner assembly, AND
The signal also triggers the electronic ignition system to ignite the gas coming from the burner assembly.
Another sensor detects gas and shuts the valve if the gas does not ignite, preventing an explosion.
However, if the ignition system delays for an extra second before igniting the gas, the ignition causes a little mini explosion.

That doesn’t sound so bad; however, the delayed ignition releases enough energy that it can damage the ignition system, the burner assembly, and/or the heat exchanger. Any of these damages can cause the furnace to quit functioning. Damage to the heat exchanger can release carbon monoxide and carbon dioxide into the home.

Solution: turn the furnace off and call All Cool AC and Heating for immediate repair. This is a very serious problem.

Persistent Clicking

Gas furnaces are complex electromechanical devices, and various components will emit occasional clicks. The thermostat relay may click audibly at the start and finish of a heating cycle. Various relays and switches click inside and around the air handler cabinet. The electronic ignition will click a few times, creating a spark to ignite the gas. (If you have a gas range, you might be familiar with this clicking in the kitchen.) If this clicking persists after the gas is ignited and/or after the heating cycle has ended, this is a serious issue.

This malfunction of a component will cause it to wear quickly and fail.
Without an electronic ignition, the furnace will malfunction, resulting in chilly temperatures indoors as well as outdoors.

Solution: turn the furnace off and call All Cool AC and Heating for immediate repair or time to schedule an AC maintenance appointment.

Screeching or Grinding Noises

There are very few moving parts in a furnace. If you hear a loud, annoying grinding or screeching noise, it is most likely a problem with the blower motor assembly.

The blower motor powers a rather large fan cage, which draws air from the house, through the furnace, and back into the house.
The motor has bearings. The fan cage is turned by a belt or chain. Friction and wear can cause any or all these parts to fail, resulting in these loud, annoying noises.
This may result in the loss of heat, although that is not a universal result. It may get noisy and continue to move air throughout the home.

Solution: turn the furnace off and call All Cool AC and Heating for an AC maintenance appointment.

Secure Your Home with Routine AC Maintenance

Don’t wait for a noisy breakdown to realize your HVAC system needs professional attention. By scheduling regular AC maintenance, you can catch small mechanical issues and ignition delays before they turn into dangerous winter emergencies. Our expert team at All Cool AC & Heating is ready to inspect your blower motor, sensors, and relays to ensure your home stays quiet and safe all year long. Contact us today to book your preventative AC maintenance tune-up and enjoy the peace of mind that comes with a perfectly functioning system.

January 27, 2026

Why is my HVAC System Will Short Cycle?

AC Repair: Understanding the Short Cycle

During normal operations, you should hear your furnace complete 2 or 3 heating cycles per hour, with each cycle lasting approximately 10 to 15 minutes. During extremely cold days or if a home is poorly insulated, heating cycles may be slightly more frequent or last a little longer. However, if heating cycles come very quickly and end just as quickly, this is a condition called “short cycle.”

A short cycle happens when the furnace heats the home successfully, reaching the temperature setting indicated by the thermostat. However, the cycle ends before the air has time to mix and circulate, so rooms that are the most distant from the thermostat are still cold. The cold air forces the thermostat to call for another heating cycle, which, again, ends too soon.

4 Hidden Reasons Your Furnace Will Short Cycle

Short cycles indicate one of several underlying problems that need to be addressed. They include:

A Wrong-sized Furnace. Before a furnace is installed, a technician completes a J-Load calculation, measuring the square footage, insulation value, window and door openings, and other factors about the home that affect heating and cooling. The calculation indicates the proper size furnace, measured in BTU output. A system too small will struggle to keep a home warm with “long cycles,” and a system too large will cause “short cycles.” Both cause furnaces (and air conditioners) to run inefficiently and wear out too quickly.

A Dirty Air Filter. The furnace is working to create sufficient warm air to make a home comfortable. But a dirty filter will reduce the airflow needed to move the heat throughout the home. Dust and other airborne particles collect on the surface of the filter until the filter is completely covered. For this reason, an air filter needs to be changed about every three months (more often if needed).

Thermostat Malfunctions. A properly placed thermostat will be installed on an inside wall, and out of direct sunlight. It functions best when placed in a central spot in the home. If the thermostat is improperly placed, it should be moved. Thermostats are battery-powered, so remember to change the battery annually. Occasionally, thermostats experience wear and need to be recalibrated. A malfunctioning thermostat will cause a furnace system to have short cycles.

Malfunctioning System. An aging or worn furnace may experience electrical or mechanical problems that create the conditions for short cycles. A heat pump that loses refrigerant will also lose the ability to collect heat from outdoors: the blower motor will continue to blow, but the heat will be missing from the coil. Wear can also affect sensors and control mechanisms, including capacitors and control boards (small computers).

If your furnace system begins to exhibit any short cycle tendencies, try these tasks in this order.

Purchase a supply of air filters and change the filter. Observe the furnace to determine whether the short cycles have ended. Make sure to change the air filter regularly.
Check the thermostat settings. Ensure that it is on HEAT or EM/AUX HEAT and that the temperature setting is at least 5 degrees lower than the temperature indicated on the thermostat face.
If the settings are correct, turn the thermostat OFF temporarily and change the battery (or batteries). Observe to see whether the short cycling has ended.
Check the vents and registers around the home. Make sure all are uncovered, since covered vents will reduce circulation.
If short cycles continue, call your furnace/air conditioner technician for maintenance and repair.

Stop the Short Cycle Today

If your system is trapped in a persistent short cycle, ignoring the problem can lead to sky-high energy bills and premature equipment failure. These rapid bursts of activity put unnecessary strain on your HVAC components, often indicating a deeper issue like a faulty sensor or an improperly sized unit. Our professional technicians have the tools and experience to diagnose your system and restore perfectly balanced comfort to every room in your home. Call All Cool AC & Heating today at 281-238-9292 to schedule your AC maintenance appointment and get your system back on track.

December 28, 2025

What Are the Risks of Delaying the AC Repair Until Spring

Warning Signs: 3 Things That Lead Directly to Expensive AC Repair

The Real Cost of Delaying Your Annual AC Repair and Heating Tune-Up

South Texas usually experiences winters that are mild enough to give us bragging rights over our northern family and friends. However, cold winter temperatures are present enough to compel us to rely upon a good central heating system. Face it, we can choose between natural gas, electricity, or a heat pump system, but we are still depending on the same type of furnace that the rest of the country is using. These systems provide security, comfort, and a healthy indoor environment during extreme temperatures.

That means that we need to look after our very important building system to protect it from the harm that comes from ignoring maintenance. Heating and air conditioning systems require regular AC maintenance in the same way that cars need regular oil changes, tire rotations, and brake inspections.

The heating and air conditioning system is a complex network that combines mechanical, electrical, and chemical reactions to condition indoor air to counter outdoor environmental conditions. The complexity of the system makes regular maintenance important for several reasons.

Comprehensive Guide to HVAC Maintenance: Reduce Bills, Improve Air, Avoid AC Repair

Dirt, dust, and pollen act to clog filters and condenser grids. They tend to coat components, which can affect indoor air quality or impede heat transfer. These contaminants need to be cleaned away.
Moving parts and electrical connections inevitably result in wear. Some wear creates electrical resistance and requires components to use more energy than normal. Some wear causes corrosion and weakness in metal components. Either way, wear cannot be ignored for long. Neither can AC repair.
AC Maintenance often catches stress and weaknesses that affect efficiency and function. Catching these problems early helps to save on energy bills, reduce further stress, and avoid costly and inconvenient breakdowns.
Such care tends to extend the useful life of the system. The average heating and cooling system lasts about 15 to 20 years. Regular AC maintenance can extend that span by about 5 years.

The Role of Preventive Maintenance in Avoiding Major AC Repair

How does one go about properly caring for a heating and cooling system?

First, it is important to select a quality heating and air contractor to service and repair your home’s system. A technician will visit your home repeatedly, accessing several spaces inside and outside of the home. The same person needs to be trained to service and repair your brand, model, and size system. Make a good choice.

Find a good memory prompt. Seasonal changes work. Calendars, either physical or phone versions, will also work. Add prompts for quarterly air filter changes at the same time.

Get to know the essentials about your heating and air conditioning system.

Is your furnace powered by natural gas or electricity? Does it use heat pump technology?
What size is the furnace? What size is the air conditioner?
Are there auxiliary features of your system that you might not be aware of? There might be an immediate bonus to this knowledge!

This information will be very useful when the time comes to replace the system.

Regular maintenance will:

Improve indoor air quality.
Save significant money on the monthly energy bills.
Keep the system functioning as efficiently as possible.
Reduce the cost of AC repair by catching small problems before they become big problems.
Lengthen the serviceable life of the entire system.
Help you be prepared when the time comes for AC replacement.

Don’t Risk Your Comfort: When to Call for AC Repair Before Winter Ends

Ignoring your unit’s needs now can lead to a complete system failure when you need it most, resulting in complex and expensive AC repair later. Don’t risk a winter breakdown or compromise your indoor air quality by skipping essential maintenance. Protect your investment, reduce energy bills, and ensure peak performance year-round. Call All Cool AC & Heating today at 281-238-9292 to schedule your AC maintenance appointment and avoid that emergency AC repair!

October 28, 2025

How Often Should You Change Your AC Filter?

Stop Stressing Your HVAC: The Dangers of a Clogged AC Filter

Homeownership is a part of the American dream. However, homeownership also includes several regular maintenance tasks, that, if neglected, can result in disagreeable results. Gutters without guards need to be cleaned regularly to prevent clogged downspouts. Battery-powered devices (such as smoke detectors and thermostats) need the batteries replaced to make sure they function properly when called upon. One such simple maintenance task that should not be neglected is changing the air filter on the heating/cooling system.

How Dirty is Indoor Air?

The air inside our home seems so very clean. You do not realize how many airborne particles are floating around inside until the late afternoon light shines through the window and illuminates the dust particles. The sources of most particles are quite simple and unavoidable:

Most indoor dust particles are skin cells from human and animal inhabitants that naturally flake off.
Wind and motion stir up fine dirt particles that find a way indoors.
Pollen follows us indoors or is generated by household plants.
Exhaust from various sources brings both gas and particulate matter also collect indoors. That includes exhaust from outdoor sources (internal combustion engines and industrial activities) and indoor activities (candles and tobacco smoke).

It seems that indoor air is not as clean as it seems. Air filters provide a vital service to ensure our homes are healthy spaces to live.

Why Change the AC Filter?

Air filters are very efficient, removing most airborne particles. Since the entire volume of air passes through an air filter several times per heating or cooling cycle, the airborne particles quickly coat the filter surface. When the collection builds up, the clogged air filter reduces the amount of air that can pass through the filter. Both heating and cooling functions require vast amounts of air movement through the air handler cabinet. Restricting airflow creates tremendous stress on the blower motor and the electrical control mechanisms that direct the comfort cycles. The result of ignoring a clogged filter is similar to driving a car with the emergency brake on.

How Often Should the AC Filter Be Changed?

Each home is unique, and each family is unique.

Some homes are located near pollution sources with exponentially more airborne particles than most homes, like dirt roads or active construction sites.
Some family members have asthma, allergies, or breathing difficulties and need more frequent filter changes.

A very general rule of thumb is to change the filter every three months/four times per year, but your home might require more frequent changes. Purchase adequate filters for a year and schedule prompts on a family calendar or phone app. Use whatever makes sense to you:

The official change of seasons
Birthdays or holidays, or
Any other pneumatic device that will remind you of this important maintenance task.

Beyond the AC Filter: Schedule Maintenance to Check for Hidden HVAC Damage

You can handle the AC filter replacement, but don’t ignore the hidden damage a clogged filter may have already caused your system. Protect your expensive HVAC equipment from premature failure by scheduling a professional maintenance appointment today. Our expert technicians will inspect your unit for stress and ensure all components are running smoothly and efficiently. Call us now to book the vital service your system needs for long-term health.

Schedule your next AC maintenance appointment with All Cool AC & Heating today to take advantage the long-term rewards of a well-maintained system.

October 14, 2025

Katy Texas AC Maintenance Explained

How Often Should AC Maintenance Be Done?

After a lengthy summer, with plenty of hot, humid days and nights, fall is upon us. The temperatures will finally cool off a bit, so for the next few months, the mild temps and drier air will create a mild reprieve for your air conditioning system. The demand for this vital system decreases radically. This is an excellent time to complete some much-deserved preventative AC maintenance for the air conditioner.

A lot is said about AC maintenance. However, the majority of conversations originate from individuals who provide AC maintenance services. Is this conversation self-serving or a public service? Actually, the conversation arises from technicians with decades of experience in the heating and cooling industry, and they know the difference regular AC maintenance makes.

How Routine AC Maintenance Delivers Lower Energy Bills

AC Maintenance measurably improves the efficiency of an air conditioning system; most air conditioners are 5% more efficient annually with regular maintenance.
This efficiency can be measured in a way that really matters—lower energy bills each month.
A well-maintained system keeps indoor air quality measurably cleaner, making the air healthier and the home less dusty.
Regular AC maintenance adds years of serviceability to a system; maintained systems generally last 5 years longer than those without maintenance.

How Often is AC Maintenance Really Necessary? The Honest Answer from the Experts

Each year, for the benefit of customers, air conditioner technicians remind homeowners to maintain their systems, and those who heed the message reap the benefits.

What is involved in maintaining an air conditioner? Regular AC maintenance includes three main tasks—cleaning, inspecting, and testing.

The primary purpose of an air filter is to clean the air, and it cleans the air very efficiently. To ensure the air filter performs well, it needs to be cleaned or replaced at least quarterly. A preventative maintenance visit will include replacing the filter and a reminder to the homeowner to schedule regular replacement every three months.
Two coils facilitate the transfer of heat, the process that we recognize as air conditioning. A major requirement for these coils to function is that they are kept clean, but dirt, dust, pollen, and yard debris threaten to gum up the coils. The outdoor coil, the condenser, can be cleaned with a garden hose. The indoor coil, the evaporator, is found in the air handler closet. It can be cleaned with a spray bottle filled with a cleaning solution. However, damaging either of these coil sets can be detrimental to your HVAC system. Cleaning should be left to the professional to protect your system components.
A visual inspection is made of the entire system. This often catches obvious issues, such as a worn or cracked belt in the blower motor assembly, a loose electrical connection, or other evidence of wear. Drain pan and drain lines are inspected for water build-up or clogs.
Extensive testing will be completed, using specialty tools and training. The refrigerant gas must be maintained within a narrow pressure range to affect cooling. The refrigerant is transported through a network of tubes, flowing inside and outside, and through both coils. The smallest of nicks or flaws will release this gas into the atmosphere. This is not good for the system or the environment.
An air conditioner is controlled by a complex electrical network of sensors and controllers. The current passing through wires may carry as little as 14 volts or as much as 220 volts. Testing takes the proper equipment and training. Finding and replacing a weakened control mechanism can keep a small issue from becoming a major problem.

Spring and Fall: The Best Times You Need to Schedule AC Maintenance

Ultimately, scheduling professional AC maintenance twice a year—ideally in the spring and fall—is the single most effective way to protect your investment, ensuring maximum efficiency and cleaner indoor air. This routine commitment to cleaning, inspection, and testing not only lowers your monthly energy bills but also significantly adds years of reliable service to your air conditioning unit. Don’t wait for a breakdown; schedule your next appointment with All Cool AC & Heating today to reap the long-term rewards of a well-maintained system.

September 29, 2025September 29, 2025

What to Do About an AC Refrigerant Leaks

Don’t Ignore an AC Refrigerant Leak: Your System Depends on It

As summer winds down and the cooler weather approaches, the trusty air conditioner continues to perform the tasks of cooling, cleaning, moving, and dehumidifying indoor air. However, if an air conditioner’s performance is declining, it should cause a homeowner to take notice and call for an AC maintenance technician to inspect the system.

Air conditioning systems do not use fuel; they use a manufactured gas, designed to readily transfer heat, deemed a refrigerant or coolant gas. An air conditioner requires a static amount of refrigerant gas to cool the space properly. When the gas pressure decreases, the system tries to continue the cooling process without the proper refrigerant gas. When the air conditioner tries so very hard with inadequate pressure, it will cause crucial components to overheat and fail. This damage is usually very expensive, leading to the replacement of the entire air conditioner system.

AC Refrigerant Leaks? Here’s Why You Need a Pro

What causes a loss of refrigerant pressure? A weakness in the network of tubes that house and transport gas will occasionally result in a minute pinhole, but just enough for the gas to leak away. Since the gas is always under pressure, even a very small hole will release all of the refrigerant gas. Leaks often develop in the weakest portion of the system:

Joints between portions of tubing
The two major coils, where tubes are bent at 900 angles repeatedly

AC Refrigerant Leaks can also occur whenever the system’s tubing is damaged by contact or movement.

AC Refrigerant Leaks can be very difficult to locate and correct.

The leaks are usually very tiny holes, leaking minute amounts of gas. Gas will continue to leak even when the air conditioner is not running, since the gas remains under pressure at all times.
When the gas has completely leaked away, it is nearly impossible to locate the source of the leak. Often, additional refrigerant will need to be added to find the leak, knowing the gas will be leaking away.
The entire system will need to be checked, both indoor and outdoor components. Some of these components are difficult to reach.

Once the leak has been found and sealed, the whole system will be vacuumed completely to remove the air, various gases, and any other substance that made its way into the tube network. The vacuum will remain in place for a given time as a final pressure check; if a leak remains, the vacuum will be broken, allowing air into the system. The whole process will need to be repeated until all of the leaks have been sealed.

Refrigerants are not environmentally friendly, so it is important to find leaks and fix them quickly. Since they pose a threat to the ozone, the US Environmental Protection Agency is continuously seeking better, more friendly refrigerant gases. Over the last few decades, the EPA has changed the acceptable formulas for residential air conditioning systems.

Certain gases have been discontinued and have not been manufactured for several years. The gas for these systems is very scarce, may not be available, and the available gas for these systems is extremely expensive.
Certain gases have been discontinued and are no longer being manufactured, but a supply remains available. Refrigerant for these systems may be available, and the gas will be expensive.
All refrigerant gases are expensive and should not be allowed to escape into the environment if possible.

If your air conditioner is performing poorly, do not delay. Call us for service to test the refrigerant level. It could save your system from failure, save you money in repairs, and help preserve the environment.

Why an All Cool AC & Heating Professional is a Must for an AC Refrigerant Leak

Addressing an AC refrigerant leak quickly is crucial to prevent expensive damage to your system and protect the environment. Because these leaks are difficult to locate and fix, a professional All Cool AC & Heating technician is required to properly seal the leak and recharge the refrigerant. Don’t delay—call for service to save your system from failure and avoid costly repairs.

September 17, 2025

Your Essential Fall AC Maintenance Checklist

Don’t Wait for a Breakdown: The Case for Fall AC Maintenance

As Summer ends, it brings several very familiar and welcome occasions:

The beginning of the school year: buying school supplies, meeting new teachers, and taking those “first day in a new grade” pictures for the scrapbook.
Friday night lights!!
Saturday College Football.
The promise of cooler temperatures and lower humidity. The summer was great; everyone loves summer. But Fall has its own pleasures, and everyone looks forward to its arrival.

After months of dealing with the extreme heat and humidity of Summer, this is also a great time to give your air conditioner a much-needed AC maintenance visit, a Fall reset.

Why recommend AC maintenance at the tail-end of summer?

The AC components have worked hard all summer long. If there are noticeable weaknesses in the air conditioner’s performance, they will be detected now.
An AC maintenance appointment now will prepare it for the cooling season next year.
If you have a heat pump, these same components will continue to perform through most of the winter heating season as well.

This hard-working system needs regular AC maintenance to function at peak efficiency. Air conditioner repairs and replacements slow down during the Fall months, so the AC maintenance schedule is less congested.

Clean, Check, Change

AC maintenance tasks may vary, but the most common tasks fall under three categories.

Cleaning

The air filter, so important to indoor air quality and air conditioner function, is a good starting place. If it has been a while since you last changed your filter, expect to hear some encouragement to change the filter at least quarterly.

While checking the air filter, if the vents appear to be excessively dusty, our AC maintenance technician may recommend that they be cleaned. (Most air conditioning contractors do not clean vents.)
The outdoor condenser unit needs to be cleaned annually. The condenser walls are composed of a vast network of tubes with very thin fins of aluminum. The tubes and fins are designed to dissipate the heat collected inside into the outdoor environment. A large, central fan pulls copious amounts of air through the network to cool them. Sticky pollen, dust, and yard debris get pulled onto and into the network, making the condenser work much harder than it should. A good cleaning with a garden hose washes this collection away.
A similar network of tubes is found inside the air conditioner cabinet. This network is called the evaporator coil, and it exposes the hot air from the house to the cold of the refrigerant. Since the air is humid and the evaporator coil is cold, the coil stays wet from the condensation that collects on it. Dust that bypasses the filter will collect here as well, making the evaporator coil work harder. The drain pan that collects the condensation and the drain line that carries it away will also be cleaned and flushed.

Checking

The refrigerant pressure level will be checked. A loss in pressure is serious, since it indicates a leak. Loss of refrigerant will bring cooling to a halt and can cause serious damage to expensive components.
Electronic controls and sensors will be checked for performance. Constant use creates wear, and this is normal. Common wear patterns happen, so a technician will know where to look first.
The thermostat will also be checked. Most thermostats are programmable, but many homeowners do not know how to make scheduled temperature changes. A technician will check thermostat settings and answer questions concerning programming temperature changes.
The overall performance of the air conditioning system will also be checked. An air conditioner should provide a minimum temperature change during a cooling cycle. A cooling cycle should achieve the desired temperature change within an acceptable time.

Change

If the cleaning and checking uncover a problem or deficiency, the technician will recommend replacing failing parts before they fail altogether.

Let All Cool Give Your HVAC System the All Clear with Fall AC Maintenance

As summer ends, your AC unit deserves a reset and a professional AC maintenance tune-up to ensure it’s in top condition. This simple AC maintenance call with All Cool AC & Heating can save you from a costly repair down the line and guarantee your comfort for next year. Don’t wait for a breakdown to schedule service—get ahead of the game and enjoy the peace of mind that comes with a well-maintained HVAC system.

August 21, 2025August 21, 2025

Ultimate Guide to Essential AC Maintenance

Maximize Your AC’s Lifespan: The Importance of Regular AC Maintenance

The heat and humidity this summer will have your air conditioner running overtime to keep your family comfortable. To give you an idea of how hard it is working, if your thermostat calls for 3 to 4 cooling cycles per hour, your air conditioner will complete between 500 and 700 cooling cycles per week. Since it works this hard each week, and the cooling cycle lasts for 8 months or more, admittedly, it could use some AC maintenance and care.

Essential AC Maintenance Tasks

During an annual AC maintenance visit, our professionally trained technicians will complete some very necessary AC maintenance tasks, including:

Replace the air filter. The air filter seems like a rather simple feature of an air conditioner system, but it serves several important functions. It efficiently collects dust and dander, but the collection eventually clogs the filter and limits airflow, thereby limiting the cooling capacity of the AC. (Expect to hear encouragement to replace the air filter quarterly, like clockwork.)
Other components also need to be cleaned, notably the condenser coils outdoors and the evaporator coils indoors. These coils transport heat via the refrigerant gas, from inside the home to the outdoors. Dust and pollen collect on the tubes and inhibit heat transfer. Cleaning the dust away is essential for maintaining air conditioning function.
Testing and inspection. Various electrical parts are prone to wear, so the technician will use testing equipment to ensure all is well. The refrigerant level will also be tested, since a drop in pressure indicates a leak of the valuable gas.

AC Maintenance Benefits

Completing these tasks will certainly:

Reduce repair costs. The testing and inspection is designed to uncover problems with the complex electronic controls while the problems are small. If left undiscovered, the stress of a small problem spreads to other components. A small, inexpensive repair can quickly grow to a much larger, expensive repair.
Catching small repairs early usually extends the useful life of the air conditioner system, often putting off replacement by 3 to 5 years.
Keeping the system clean and running smoothly improves the energy efficiency of the air conditioner; an air conditioner that works harder requires more energy, costing more money to operate.
Keeping the system clean and running smoothly also improves the indoor air quality inside the home.

AC Maintenance Savings

Regular maintenance will result in long-term savings, since:

AC Maintenance tends to uncover problems early and allows their repairs before trouble spreads. That usually results in a much smaller repair bill.
Since AC maintenance improves efficiency, it usually lowers the monthly electric utility bill.
If maintenance extends the useful life of your system, it allows the air conditioner to function three to five years longer, increasing its value and putting off replacement.

The Power of Proactive AC Maintenance From AllCool AC

Given the constant stress placed on your HVAC unit, neglecting its upkeep is a surefire way to invite costly repairs and premature system failure. Regular AC maintenance is a simple yet powerful way to ensure your air conditioner runs efficiently, extends its lifespan, and saves you money on energy bills and future repairs. By scheduling a professional AC tune-up, you are making a smart investment in the comfort and longevity of your home’s cooling system.

All Cool AC & Heating AC repair and AC maintenance professionals can assist with your Katy Texas AC repair and maintenance needs. Schedule your AC service or replacement appointment by calling All Cool AC & Heating at 281-238-9292 or contact us via email, and let our NATE-certified AC Repair Katy technicians help you improve your indoor air quality.

May 24, 2025

AC Maintenance for Katy Texas Homes

Ensure Comfort All Summer: Katy Texas AC Maintenance Checklist

Spring days, with mild temperatures during the day and cool temperatures during the evening, are in the rear-view mirror. It will be a while before opening windows for long periods of time happens in Katy Texas. Accompanying the hotter temperatures will be higher humidity and high pollen count, so keeping the air conditioner performing well all summer is essential for comfortable summer living. Performance and consistency over the long run depend upon a great preventative AC maintenance plan. Do you have a great AC maintenance plan in place?

Scheduling Professional AC Maintenance

There are plenty of steps a homeowner can take to care for an air conditioner system, but there are some steps that need to be handled by a trained HVAC professional.

Anyone who handles the refrigerant gases used for air conditioning and refrigeration must complete U.S. Environmental Protection Agency training and be certified. That is a lot more work than most homeowners are willing to take on.
The air conditioner’s electronics are complex and must be handled with training and on-the-job training; some wires carry 220V and some carry 24V. It is important to know the difference between the two, since one can give a deadly shock.
Heating and air conditioning are processes. Knowing the processes is essential to knowing how to properly maintain the system.
When repairs need to be completed, it is important to know someone who can diagnose the problem and make the repairs.

Schedule Filter Changes

The entire volume of a home’s air passes the air filter 3 or 5 times per cooling cycle. The purpose of the filter is to remove airborne contaminants, and they do a superb job. Since they are so effective, they need to be changed often.

A dirty, clogged filter restricts the amount of air that can flow through the filter, and the air conditioner function requires a massive amount of airflow. A dirty filter prevents your air conditioner from cooling your home (and your furnace from heating your home).
The air filter is located close to the evaporator chamber, the area where humidity is removed from the home’s air. A dirty filter often results in higher humidity inside the home.
For most homes, changing the air filter every three months is the recommended procedure. If your home has extenuating circumstances that require a more frequent filter change—a dirt road or a nearby construction site—you will be in a position to know and make more frequent changes.
Locate the air filter at the base of the air handler closet, where the ductwork brings air from the home to the cabinet. Air filters are available at most hardware and do-it-yourself home improvement stores.

Clean the Condenser Unit

The outdoor portion of the air conditioner is called a condenser unit, and it also acts like a filter.

The walls of the condenser unit are a network of tubes and fins, containing hot refrigerant gas during cooling cycles. A large fan in the hollow center draws air through the network to cool the gas, but it also draws dirt, sticky pollen, and lawn debris, like grass clippings. The collection hinders the free flow of air through the condenser and needs to be cleaned away.
Before trying to clean the condenser, trip the breaker for the air conditioner. The condenser covers are attached with a few metal screws on each side. After removing the cover, use a garden hose to gently wash away the debris and dirt. Replace the covers and flip the breaker back to the ON position.
Make sure to trim shrubs and tall, ornamental grass at least 2 feet away from the condenser unit.

Get Your Katy Texas AC Ready for Summer: All Cool AC & Heating AC Maintenance Guide

All Cool AC & Heating AC maintenance professionals can assist with your HVAC repair and AC maintenance needs. Schedule your service appointment by calling All Cool AC & Heating at 281-238-9292 or contact us via email and let our NATE-certified AC maintenance technicians put their experience to work for you.

April 16, 2025

Spring AC Maintenance Checklist

Essential Spring AC Maintenance Tips

Springtime is an important time for air conditioning system maintenance.

The furnace equipment is now dormant until it is called up in late fall, that is, unless your system uses a heat pump. Heat pumps use the same equipment for heating and cooling.
During the early spring, the temperatures are mild, so air conditioning equipment is relatively idle, an ideal time for air conditioning maintenance.
When the temperatures begin to soar, the calls for repairs and replacement of air conditioning systems rise as well. Springtime is an ideal time for scheduling a maintenance call with your HVAC professional.

In the meantime, here are some maintenance steps you can take on your own.

Change the Air Filter

Pollen is at its highest during the early spring; trees, flowers, flowering trees, and grass are all releasing pollen at the same time. The pollen count is enough to trigger sinus problems with or without allergies. A springtime air filter change can help everyone breathe easier. The filter should be changed at least every three months, more frequently if necessary.

Air filters work tirelessly to clean the air, removing pollen, dust, dander, and more. However, when the trapped particles completely cover the filter, it begins to restrict proper airflow. The very best air conditioning technology cannot function properly without adequate airflow.

Clean the Condenser

The outdoor portion of the air conditioner is called the condenser unit. The walls appear to be solid, but the walls are actually a network of tubes, designed to allow considerable airflow between. A central fan pulls air through the tubes, but it also pulls pollen, dust, and all kinds of debris. Pollen is sticky. It sticks to the tubes and fins, and the pollen tends to collect anything other small particles it encounters.

Cleaning the pollen and debris from the condenser is an easy DIY project. Remove the screws around the cover of the condenser and use a garden hose to gently wash away the collected particles. Wash the tubes until the water flows clear, then replace the covers.

Should the pollen and dust continue to coat the condenser, this makes the air conditioner work MUCH harder and it can lead to some serious repair bills. This is a simple task that can be completed with a few tools and a little bit of time.

Change Batteries

The thermostat is the ON/OFF switch for your air conditioner. It is a very small computer with sensors and switches that control a whole, complicated building system. This small computer is powered by common household batteries, and the batteries need to be changed. Matter of fact, there are several small sensors/switches in the home that run on batteries, including smoke alarms and carbon monoxide detectors. Find a time in the spring and change all of your batteries at once.

Schedule Professional AC Maintenance

These are DIY tasks that can be completed by a homeowner. There are plenty of air conditioner maintenance tasks that need to be completed but cannot be completed by a homeowner. They take special equipment and the training to use it properly. Professional technicians test and clean:

The refrigerant level
Electrical controls and switches, some with high-voltage
Functional performance of the air conditioner

Springtime is an excellent time to schedule AC maintenance.