DIY. A great concept for trying your hand at building a coffee table or turning an ordinary jar into a colorful centerpiece for the living room. But there are a few things that really require the technical know-how of a trained professional. Like HVAC.
. Instead of trying to unscramble this alphabet soup yourself, use our handy heating term glossary. These terms and definitions will help you select efficient units, explain where your unit might need repair or a tune-up and make some sense out of the letters and abbreviations that come with understanding your heating unit.