Troubleshooting
Diagnose and fix common HVAC problems
14 articles
Articles
AC Breaker Keeps Tripping
Here's the deal: the cause is almost always one of 9 things, and the timing of the trip tells you a lot about which one it is. We're going to walk you t...
AC Drip Pan Full of Water and Overflowing
Don't panic---but don't wait, either. A full AC drip pan means water has nowhere to go, and every minute of delay risks ceiling damage, mold growth, and...
AC Making Noise
Some AC noises are perfectly harmless — a gentle hum, a click at startup, a brief whoosh of air. Others are your system screaming for help before someth...
AC Not Blowing Cold Air
Few things are more frustrating than an air conditioner that runs all day but never actually cools your house. You can hear it humming, the fan is blowi...
AC Cooling But Not Removing Humidity
We hear this constantly. Your air conditioner is doing its temperature job just fine, but the moisture in your air isn't going anywhere. The result: a c...
AC Short Cycling
We hear this constantly — and no, that's not normal. An air conditioner that keeps turning on and off every few minutes is short cycling, and it's one o...
Condensation on AC Vents
If you've walked into a room and noticed water dripping from your AC vent — or found a damp ring of discoloration spreading across the ceiling around a ...
Cracked Heat Exchanger
Here's the deal: we're going to walk you through exactly what a heat exchanger does, how to spot a real crack, what it actually costs to fix, and how to...
Dehumidifier Freezing Up and Icing Over
Don't panic. A frozen dehumidifier looks alarming, but this is one of the most common dehumidifier problems — and it's almost always fixable.
Furnace Blowing Cold Air
We hear this one every winter — and it's easily one of the most stressful HVAC problems a homeowner can face. Your furnace is running, you can hear it c...
Outside AC Unit Not Running But Inside Is
We hear this one all the time. Your indoor air handler is blowing air like everything's fine, but the outdoor condenser unit — the part that actually re...
Thermostat Not Reaching Set Temperature
We hear this one all the time — and we completely understand the frustration. You've set the temperature where you want it, the system is clearly runnin...
Window AC Freezing Up
Don't panic. A frozen window air conditioner looks terrifying, but this is one of the most common AC problems — and it's almost always something you can...
Window AC Leaking Water
Water leaking from a window AC doesn't mean the unit is broken. It means the condensation your AC naturally produces isn't draining the way it should.