It’s a familiar scene in the middle of a Texas summer.
Your thermostat is set to 72 degrees.
Your air conditioner has been running for hours.
But when you check the temperature inside, it still says 75 or 76.
If you’re wondering whether something is wrong with your AC, you’re not alone. This is one of the most common questions we hear from homeowners throughout Kyle and Central Texas every summer.
The answer depends on several factors. Sometimes your system is working exactly as it should. Other times, it’s trying to tell you that it needs attention.
Here’s what you should know.
First, Is This Normal?
On extremely hot days, it’s normal for your air conditioner to run longer than usual.
When outdoor temperatures climb into the upper 90s or over 100 degrees, your system has to work much harder to remove heat from your home.
A properly functioning air conditioner is generally designed to maintain a comfortable indoor temperature, but there may be times when it cannot keep up perfectly during the hottest part of the afternoon.
If your home reaches your desired temperature once the sun begins to set, your system may simply be working against extreme outdoor conditions.
However, if your home never cools down or struggles every day, there may be another issue.
Your Air Filter Could Be Restricting Airflow
This is one of the simplest problems to fix.
A dirty air filter reduces airflow throughout your home, making it harder for your system to circulate cool air.
The result?
Your AC runs longer, your energy bills increase, and your home stays warmer than it should.
Checking your filter every month during the summer is one of the easiest ways to help your system perform its best.
Your Outdoor Unit May Need Cleaning
Your outdoor condenser is responsible for releasing heat from your home.
Over time, dirt, grass clippings, leaves, and cottonwood can build up around the unit.
When airflow is restricted, your air conditioner cannot remove heat as efficiently.
Keeping the area around your outdoor unit clean and clear can help improve performance.
Low Refrigerant Can Reduce Cooling Capacity
Refrigerant is what allows your air conditioner to transfer heat from inside your home to the outdoors.
If refrigerant levels are low because of a leak, your system may continue running without producing enough cool air.
Some common signs include:
- Warm air coming from the vents
- Ice forming on refrigerant lines
- Longer cooling cycles
- Higher utility bills
Because refrigerant is part of a sealed system, diagnosing and repairing leaks should always be handled by a licensed HVAC professional.
Your Home May Have Air Leaks
Even if your air conditioner is producing cold air, it may be escaping before it can cool your home.
Common places where cooled air is lost include:
- Around doors
- Around windows
- Attic access points
- Poorly sealed ductwork
The harder your AC has to replace that lost air, the longer it will run.
Attic Heat Can Make a Big Difference
Many homeowners don’t realize just how much their attic affects indoor comfort.
On a hot July afternoon, attic temperatures can easily exceed 130 degrees.
Without proper insulation or ventilation, that heat transfers into your living spaces, making it much harder for your air conditioner to keep up.
Improving attic insulation and ventilation can often make your home feel noticeably more comfortable while reducing cooling costs.
Your AC May Be Undersized or Aging
Not every air conditioner is capable of handling today’s cooling demands.
If your system was improperly sized when it was installed or has simply lost efficiency with age, it may no longer have the capacity to cool your home effectively.
Signs this may be happening include:
- Your AC runs almost nonstop
- Some rooms never get comfortable
- Utility bills continue rising
- Your system is more than 10 to 15 years old
A professional evaluation can determine whether your system is still performing as it should.
Don’t Forget About Humidity
Temperature isn’t the only factor that affects comfort.
Humidity makes your home feel warmer than the thermostat reading suggests.
If indoor humidity is high, 75 degrees can feel much warmer than it actually is.
Managing humidity through proper AC maintenance or a whole-home dehumidifier can improve comfort without lowering your thermostat.
When Should You Call an HVAC Professional?
If your air conditioner struggles occasionally during the hottest hours of the day, that may be perfectly normal.
However, it’s time to schedule an inspection if:
- Your home never reaches the thermostat setting
- The AC runs almost nonstop
- Airflow feels weak
- Some rooms stay much warmer than others
- Your utility bills have increased significantly
- Your system is making unusual noises
The sooner small problems are identified, the easier and less expensive they are often to correct.
Helping Kyle Homeowners Stay Comfortable All Summer
Texas summers put every air conditioner to the test.
At Garner Heating & Air Conditioning, we’ve helped homeowners throughout Kyle and the surrounding communities stay comfortable through some of the hottest days of the year.
Whether your system needs a simple repair, routine maintenance, or a full evaluation, our experienced technicians will help you find the right solution for your home.
If your house won’t cool below 75 degrees, don’t spend another day wondering if it’s normal.
Contact Garner Heating & Air Conditioning today to schedule an AC inspection and enjoy a cooler, more comfortable home this summer.
