Skip links
Start now! Build your skills with online classes from the pros at DIY University

Heating & Cooling

Keep your air conditioner and furnace running efficiently with these DIY repairs and routine maintenance projects.

Why You Shouldn’t Buy an R22 Air Conditioner

If you’re in the market for a new central AC system, don’t buy one that uses R22 refrigerant. As of January 1, 2020, production and importing of R22 refrigerant will be banned.