HVAC GUIDES

AC Troubleshooting

Useful homeowner checks, warning signs, and next steps for ac troubleshooting concerns.

Clean infographic showing six safe first checks for an air conditioner that is not cooling: thermostat, filter, breaker, outdoor unit, airflow, and ice or water.

AC Not Blowing Cold Air? Start With These Safe Checks

A practical homeowner checklist for an AC running but not cooling, including thermostat checks, filters, airflow, outdoor unit symptoms, ice, drain switches, and when to request HVAC service.

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Whiteboard-style HVAC diagram showing an evaporator coil, drain pan, float switch, trap, clog point, and outlet on a condensate drain line.

AC Troubleshooting

Condensate Drain Line Clogged? What the Symptoms Usually Mean

Learn the signs of a clogged AC condensate drain line, what the float switch does, what homeowners can safely check, and when water near the indoor unit means it is time for HVAC service.

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