When the middle of summer rolls around in Roswell, a working AC isn’t a luxury—it’s a must. So when your air conditioning system starts blowing warm air instead of keeping your home cool, it quickly becomes a serious discomfort. Whether you’re dealing with a poorly timed breakdown or an issue that’s been building up over time, figuring out why your system isn’t doing its job is the first step to getting your comfort back.
Knowing what’s causing the problem helps you decide what to do next. Some issues can be checked at home, while others call for professional help right away. Understanding the common reasons your AC might start pushing out warm air can save time and help you act faster, especially during Roswell’s hot and humid months.
Common Reasons Your AC Is Blowing Warm Air
Air conditioners are designed to do one thing: cool your space. When they don’t, it often means there’s a problem in one of several key areas. Warm air usually signals a malfunction or blockage somewhere in the system, but the source of the issue isn’t always obvious. Here are the most common things that could be going wrong:
– Low refrigerant: This is one of the most frequent causes. If your AC doesn’t have enough refrigerant, it can’t cool the air effectively. Low refrigerant often means there’s a leak in the system, which should only be handled by certified professionals.
– Dirty air filter: Filters that are clogged with dust or debris restrict airflow, which disrupts the cooling cycle. This can make it feel like the air is warmer than usual or that it’s barely coming out at all.
– Thermostat errors: Sometimes, the thermostat is set incorrectly or is malfunctioning. Make sure it’s set to “cool” instead of “fan” or “heat,” and check the temperature setting. If it’s not reading the room temperature properly or not responding, replacement may be needed.
– Evaporator coil problems: These coils absorb heat from indoor air. If they’re frozen or coated with dirt, they won’t function well, and warm air might come out of your vents instead.
– Compressor issues: The compressor is the heart of your AC. If it’s damaged or unable to do its job, the system won’t cool correctly. Problems with the compressor typically require repairs by trained technicians.
Let’s say your thermostat is working just fine and you’ve changed out your air filter, but the air still isn’t getting cool. That’s a sign that the issue is likely deeper in the system—possibly with the refrigerant or one of the internal components. That’s where the next step comes in.
DIY Checks Before Calling Professionals
Before jumping to a service call, there are a few basic steps you can take at home to try to get your system back on track. Some are simple enough to handle without tools or technical experience. Here’s a checklist to go through first:
1. Check the thermostat settings
Make sure it’s set to “cool” and the temperature is several degrees lower than the current room temperature. If your thermostat runs on batteries, try changing them out.
2. Inspect the air filter
Pull out the air filter and take a look. If it looks clogged, dusty, or gray, swap it out with a new one. A dirty filter can block airflow and cause your AC to blow warm air.
3. Make sure the power supply is on
If your indoor or outdoor unit isn’t getting electricity, it can’t cool anything. Check the breaker panel and make sure nothing has tripped. Flip any tripped switches back on and see if that restores airflow.
4. Inspect the AC vents
Walk through your home and check for blocked or closed vents. Furniture, rugs, or dust buildup can block airflow and make it seem like your AC isn’t working.
5. Reset the system
Try turning off the AC at the thermostat and the breaker panel. Leave it off for a few minutes, then power it back on to see if it starts working again.
If you’ve gone through this checklist and the system still isn’t cooling, it’s time to bring in experts trained in handling more complex problems. Ignoring ongoing issues can make the problem worse and lead to costlier repairs down the line.
When to Call for Professional AC Repair in Roswell
After going through the basic checks, if your AC system in Roswell is still not cooling properly, it’s time to bring in professionals. Problems that go beyond settings and filter changes could point to deeper trouble in the refrigerant lines, compressor, or electrical connections. These components require specific tools, experience, and safety knowledge to handle correctly.
If you notice frost building up on the coils, hissing sounds, or higher-than-usual humidity in your home, those are warning signs of issues that need expert attention. A weakened compressor or a refrigerant leak doesn’t just reduce cooling efficiency. It can also put ongoing stress on the system, shortening its service life. Continuing to run the AC in these conditions usually makes the issue worse, leading to more expensive damage.
Homeowners should also watch out for short cycling, where the AC turns on and off more often than it should. This may signal a mismatch in system pressure or electrical control problems. If repairs are needed, our technicians will pinpoint the issue and restore the system safely so that your home gets back to a cool, stable temperature.
Prevent Future AC Problems with Routine Checks
Staying ahead of breakdowns starts with regular care. It doesn’t take much, but it does require consistency. A seasonal HVAC checkup right before the warm months roll in can catch smaller issues early—before they turn into mid-June or July outages when AC repair appointment slots become limited.
Here’s what helps keep your AC system working through Roswell summers:
– Replace air filters every 1 to 3 months, depending on indoor air quality and usage.
– Keep the area around the outdoor unit clear of leaves, weeds, and debris to maintain airflow.
– Schedule a complete AC maintenance inspection with our professionals at least once a year.
– Check your thermostat regularly to make sure it’s accurate and responsive.
– Listen to your system as it runs. New noises can often be early signs that something needs attention.
Homeowners who prioritize these habits usually run into fewer cooling problems when the temperature rises. Over time, that means better indoor air comfort and fewer surprise service calls.
Ensuring Cool Summers in Roswell Homes
During peak summer, delays in AC repair can turn your home into an uncomfortable, sticky space. In Roswell, where heat and humidity hit hard, waiting too long to deal with an AC issue may affect sleep, health, and overall comfort. If your cooling system starts blowing warm air or doesn’t keep up with your home’s needs, those aren’t small problems—they require quick attention.
Staying cool through the season isn’t just about running the AC harder. It’s about knowing when something is off, acting quickly, and having access to the right support. Whether it’s a faulty thermostat, low refrigerant, or a more serious mechanical problem, a licensed technician can provide solutions that keep your home running steadily through the hottest weeks of the year.
When your AC continues to underperform despite basic troubleshooting, swift professional intervention is essential to keep your home comfortable. For dependable AC repair in Roswell, trust Garrett Mechanical to quickly diagnose and resolve persistent cooling issues. For a quick estimate or to book a service visit, please contact us today.
