Air Conditioning & Ventilating

Featured Articles

How to Refill Freon in Your Home AC Unit

It won't run out unless you have a leak.

Central Air Turns Off Right Away

Keep your cool (or get it back).

AC Not Working - Outside Fan Running, Inside Fan Not

You can fix a fan, but a capacitor will be harder.

Can I Tie Two Bath Exhaust Fan Vents Together?

This may be illegal in some jurisdictions.

Green Tips for Cooling Your House

Cool your home without turning on the AC.

Venting Your Clothes Dryer: A Fast but Vital Job

All of your stuff has been moved into the new house, so you’re sitting in the middle of the living-room

How to Block Unwanted Air from a Heating Vent

Drafts from your vent or just too much air can cause discomfort.

How to Wire an Electronic Air Cleaner

Let your furnace do more than pump out heat.

Motion Activated HVAC

Another great way to save money and protect the planet!

AC Liquid Line Very Hot

Here's what to check to fix this problem.

How to Deal with a Rusted AC Drain Pan

The drip drip drip can add up.

A Guide to Evaporative Coolers

Also known as swamp coolers, they cool air with water vapor.

How to Recycle Dryer Vent Heat

Done safely, it's a nifty way to improve energy efficiency.

Home Air Conditioning Compressor Replacement

Although replacing your air-conditioning compressor can be tricky, it can be done.

What is Adiabatic Cooling?

It cools air by using pressure to remove moisture.