Heating

Variable Speed AC Might Reveal Your Humidity Problem

Variable speed air conditioners do such a good job removing humidity from your home that you might finally realize how big your humidity problem was.

Not sure which Mitsubishi mini-split AC or heat pump to buy? This guide covers all the different types and styles.

Did you know that many HVAC contractors don't install flex duct properly? Here's how they should do it, if they even use flex duct at all.

Learn the most common maintenance and repair issues for geothermal heat pumps – and what to do about them.

If you have old, uninsulated ducts, you may be wondering whether to insulate or replace them. Learn the best solution here.