It’s 90 degrees outside. You get in your car and turn the air conditioner on, and only warm air blows out of the vents. You've got issues, but don't fret. There are a few basic things to check first.

If defrost isn’t working, something in the chain is broken. This step-by-step approach shows you exactly where to look and what to test.

Mark is a seasoned green industry veteran and freelance writer based in Georgia. His work encompasses all things garden, landscape, home improvement, and DIY, with a focus on sustainability. Mark ...

Air conditioning plays a vital role in making our homes, offices, and other buildings livable. In much of the country, the ...