Cleaning Your AC Coils Without Bending the Fins

Cleaning Your AC Coils Without Bending the Fins

The first time I tried to clean AC coils without damaging fins, I used a pressure washer. I know. I was a second-year apprentice, overconfident and underinformed, and within about 30 seconds I had flattened roughly 40% of the fins on a brand-new Carrier 24ACC636A condenser. The homeowner was not happy. My supervisor was less … Read more

The DIY HVAC Tune-Up That Saves a Service Call

The DIY HVAC Tune-Up That Saves a Service Call

Last June, I got a call from a homeowner in my area — nice guy, mid-50s, handy with tools. His AC had just stopped cooling on the hottest day of the year. The repair bill? $189 for a service call, plus $45 in parts. The actual problem? A clogged drain line and a filthy evaporator … Read more