Venting rules change with efficiency — and mixing them up can lead to moisture buildup, heat exchanger damage, and dangerous combustion issues.

Changing a furnace filter regularly will improve your heating in the winter and your air conditioning in the summer.

Skipping the manufacturer's instructions during installation may result in a furnace that fails within six months or less. For example, heat exchangers can crack from improper venting, and gas valves ...

When you want to keep your home's heating and cooling system running smoothly, one of the best steps you can take is cleaning ...