Is Your AC Blowing Warm Air? Here’s What Might Be Wrong
July 21, 2025
When summer hits East Arkansas, your air conditioner becomes a lifeline. So, when it starts blowing warm air instead of cool, it’s more than just inconvenient—it’s a red flag that something’s not right.
If your AC is running but your home feels anything but cool, here are the most common culprits and what you can do next:
1. Your Thermostat Settings Might Be the Culprit
Before panicking, take a moment to inspect your thermostat—it could be a simple fix.
First, ensure it’s switched to “Cool” rather than just “Fan.” You want to feel that chilling breeze, not just the circulation of air.
Next, check the temperature setting; is it lower than the warmth enveloping the room? If not, a quick adjustment could revive that refreshing coolness you crave.
And don’t forget to check the batteries—have they lost their charge recently? Sometimes, a tiny swap is all it takes to breathe new life into your cooling system.
Just a few small changes can make a world of difference, so don’t overlook the basics!
2. Your Air Filter Might Be Clogged
A dirty air filter can block airflow and cause your system to overheat, triggering safety mechanisms that shut down the cooling cycle.
Solution: Check and replace your filter if it looks dirty. In summer, it’s a good idea to replace it every 1–2 months.
3. Your Outdoor Unit Could Be Dirty or Blocked
If your outside condenser unit is clogged with grass clippings, dirt, or debris, it can’t release heat properly, causing your system to blow warm air inside.
What to do: Gently hose off the condenser and trim back plants at least 2 feet away from the unit.
4. You May Be Experiencing Low Refrigerant Levels
Refrigerant is the lifeblood of your air conditioning system, the crucial fluid that brings refreshing coolness to the air wafting through your home. However, if a leak has developed or the levels have dipped too low, your AC may toil endlessly, yet all you feel is a wave of warmth instead of the desired chill.
Look out for these telltale signs:
Frosted refrigerant lines: Glimmers of ice forming on the lines indicate that the system is struggling to maintain a proper balance.
Hissing sounds: An unsettling whisper near the outdoor unit can signal that refrigerant is escaping, hinting at a potentially serious problem.
Frequent cycling with minimal cooling: If your AC is constantly switching on and off without delivering a noticeable drop in temperature, it’s a clear indication that something is amiss.
Addressing this issue requires the expertise of a professional. Avoid the temptation to “top off” the refrigerant yourself, as improper handling can lead to further complications and safety hazards.
5. Electrical or Capacitor Issues
If the fan inside is working but the outdoor unit is silent, your system might have a failed capacitor or electrical issue preventing it from running properly.
Our licensed technicians can inspect and replace faulty electrical components safely and quickly.
6. Your Ductwork Might Be Leaking
Leaky or disconnected air ducts can pull in warm air from attics or crawlspaces, especially in older homes around Wynne or Jonesboro. That warm air is then blown directly into your living spaces.
Duct inspections help pinpoint leaks, blockages, or disconnected sections that may be costing you comfort and money.
Don’t Sweat It — Mohr Air Conditioning Can Help
You shouldn’t have to deal with a hot, uncomfortable home in the middle of an Arkansas summer. If your AC is blowing warm air, Mohr Air Conditioning is here to diagnose the issue and get your system cooling again fast.
Call Mohr today to schedule AC repair in Wynne, Jonesboro, or surrounding East Arkansas communities.