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.
AC Drip Pan Full of Water and Overflowing
AC drip pan overflowing? Quick fixes for clogged condensate drains, failed pumps, and float switch issues — before water damages your ceiling or floor.
AC Making Noise
Some AC noises are perfectly harmless — a gentle hum, a click at startup, a brief whoosh of air.
AC Not Blowing Cold Air
Few things are more frustrating than an air conditioner that runs all day but never actually cools your house.
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.
AC Short Cycling
AC short cycling — turning on and off every few minutes — causes wear, high bills, and poor cooling. Top 7 causes (oversizing, low refrigerant, sensors).
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.
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.
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.
Outside AC Unit Not Running But Inside Is
Outside AC unit not running while indoor blower works? Diagnose contactor, capacitor, breaker, and thermostat issues before calling an HVAC technician.
Thermostat Not Reaching Set Temperature
Thermostat not reaching set temperature? Diagnose undersized equipment, refrigerant issues, leaky ducts, and home envelope problems by symptom and timing.
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.
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.