Troubleshooting
HVAC Troubleshooter
Diagnose common HVAC problems and learn what you can fix yourself vs. when to call a professional.
Safety First: If you smell gas, leave immediately and call your gas company. Never attempt electrical repairs unless you're qualified.
Common Causes
- Dirty air filter restricting airflow
- Frozen evaporator coil
- Low refrigerant levels
- Dirty condenser coils
- Faulty compressor
DIY Checks
- Check and replace air filter
- Ensure all vents are open and unobstructed
- Check thermostat settings
- Clean debris from outdoor unit
- Check if outdoor unit is running
When to Call a Pro
If the issue persists after checking the basics, you likely need a professional diagnosis. Low refrigerant, compressor issues, and electrical problems require certified technicians.
Still Having Problems?
Our expert technicians can diagnose and fix any HVAC issue quickly.