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Troubleshooting
What's wrong, what you can safely check, and when it's time to call a technician.
- Learn AC Running but Not Cooling? 7 Causes Houston Techs Check First When an AC runs but doesn't cool, the cause is usually one of seven things: a wrong thermostat setting, a clogged air filter, an outdoor unit without power, a dirty co… Read the guide →
- Learn AC Won't Turn On After a Power Outage: What to Check Before You Call An AC that won't start after a power outage usually needs a reset, not a repair. Check that the thermostat has power and the right settings, wait a few minutes for the… Read the guide →
- Learn Heat Pump Blowing Cold Air in Heat Mode: Defrost, Reversing Valve and Other Causes A heat pump blowing cool air in heat mode is often normal: a defrost cycle briefly switches it to cooling to melt frost on the outdoor coil, and heat pump air naturall… Read the guide →
- Learn House Feels Humid With the AC On? Why It Happens in Houston A house feels humid with the AC on when the system lowers the temperature without removing enough moisture. Common causes are an oversized or short-cycling system, a t… Read the guide →
- Learn Why Is My AC Short Cycling? Causes, Risks and Fixes AC short cycling means the system runs only a few minutes, shuts off early and restarts, over and over. Common causes are an oversized system, a poorly placed or faili… Read the guide →
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