VideosHeating & cooling
Heating & coolingMay 7, 20263 min
Clogged AC Drain? Here's What Happens Next
Learn how to unclog your AC condensate drain line yourself. I find the drain line at the air handler, clear the clog with a shop vac from the outside end and flush it with hot water. I also show how vinegar works if you don't have a shop vac, and how to keep the line from clogging again.
Free heating & cooling guide
Choosing the Right Air Filter
Find the highest MERV your system can take, buy the right size every time, and change it before it causes trouble.
- The 2-minute decision path: four questions to the highest MERV your system can take.
- At the store: MPR and FPR to MERV, and what each MERV catches.
- Change it right: six steps, and how to find your own interval.
The guide’s troubleshooting page links to this video for water around the indoor unit.
Get the air filter guideFree · 11 printable pages · Sent by email
