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If your air conditioner is running but your home still feels warm, you’re not alone—and yeah, it’s frustrating. Especially during the hotter months, when you’re counting on your system to keep things comfortable. There are a handful of common reasons this can happen, and we’ll walk you through them. Think of this as a quick guide to help you figure out what’s going wrong and what you can do to get things back on track.
Start simple—your thermostat might be the troublemaker. It’s basically the brain of your AC system, and if it’s off, everything else can be too. Here are a few things to look out for:
A quick check of the thermostat’s placement, settings, and power can often save you from a service call. If everything looks good and your AC still isn’t cooling, then it’s time to dig a little deeper.
Even if your AC is running, poor airflow can keep that cool air from actually reaching the rooms where you need it. Here’s what might be getting in the way:
Bottom line: your system needs clear paths to push and pull air. Taking a few minutes to check vents, clean around them, and make sure the fan’s in good shape can go a long way in getting your home cool again.
This one is easy to overlook, but it makes a huge difference. A dirty air filter can mess with your whole system and increase energy consumption. Think of it like trying to breathe through a dust-covered mask—not ideal.
Here’s what to check:
When airflow gets restricted, your AC must work harder—and you still end up with less cool air. Keeping a clean, good-quality filter in place not only helps your system run efficiently but also keeps the air in your home cleaner and healthier.
Refrigerant is what actually cools the air in your home. If your AC is running but the air isn’t getting cold, low refrigerant might be the culprit.
Here’s what can happen:
If your AC isn’t cooling like it should, getting a pro to check the refrigerant is definitely a smart move.
Your condenser and evaporator coils play a big role in cooling by transferring heat out of your home. When these coils get dirty or start to corrode, they can’t do their job properly.
Here’s what to watch for:
Sometimes a professional cleaning or coil replacement is needed to get your system back in shape. Meanwhile, keeping the outdoor unit clear of leaves and scheduling regular check-ups can help avoid these headaches.
Getting the right-sized AC unit isn’t just about cooling fast—it’s about cooling right.
Here’s the deal:
Having an HVAC pro assesses your home ensures you get a unit that’s perfectly sized for your space, keeping things comfortable without overworking your system.
It’s easy to forget, but your AC doesn’t just cool—it also pulls moisture out of the air. And all that moisture needs somewhere to go.
Here’s what can go wrong:
If your AC suddenly stops working or doesn’t cool like it should, a backed-up drain line could be the reason. Regularly checking and clearing it out is a quick way to avoid water damage and keep everything running the way it should.
Sometimes your AC is technically “on,” but it’s not actually doing much—and electrical problems are often to blame.
Common culprits include:
Electrical issues can be tricky—and dangerous—so this is definitely one to leave to a licensed HVAC pro. They’ll be able to safely track down the problem and get your system running the way it should.
The blower fan is moving cool air through your home—so if it’s not working right, you’ll definitely feel it.
Things to check:
If air doesn’t seem to be circulating like it should, the blower fan might be the issue. A good cleaning or a quick service visit can often get things moving again—literally.
Even if your system has enough refrigerant, it won’t do much good if it can’t move through the system properly.
Here’s what might be going on:
These kinds of issues are more technical and harder to spot on your own. If everything else checks out but your AC still isn’t cooling right, it’s time to call in a pro to inspect the refrigerant lines and valves.
Even if your AC is doing everything right, your home itself could be working against it.
Here’s how:
If it feels like your AC’s always running but you’re still not comfortable, it might be time to look at the bigger picture. Sealing up ducts and adding insulation can seriously boost efficiency—and lower those energy bills, too.
Your AC’s outdoor unit does the heavy lifting when it comes to dumping heat outside. But if it’s smothered by leaves, grass, or grime, it can’t breathe—let alone cool properly.
Here’s what to check:
Giving the outdoor unit some space and keeping it clean is one of the easiest ways to help your system run better. A little yard work here goes a long way.
If your AC has been chugging along for over a decade, it might just be wearing out. Older systems naturally lose efficiency and start to struggle—no matter how well you’ve maintained them.
Common signs:
Routine maintenance can help stretch the life of your system, but at some point, upgrading to a newer, more efficient unit is the smarter (and cooler) move—for both your comfort and your wallet.
Tried the basics—thermostat settings, fresh filter, clear vents—but still no cold air? That’s your cue to bring in a pro.
Licensed HVAC techs (like the ones at Paschal) can handle the trickier stuff:
You don’t have to figure it out alone. If your AC’s giving you trouble, we’re here to help get things back on track. Reach out to the team at Paschal Air, Plumbing & Electric and we’ll make sure your home stays cool, calm, and comfortable all summer long.