HVAC purchases are probably the most infrequent people make as homeowners. The systems last for many years, don’t require a lot of attention and are mechanically complicated. When you need to replace yours, ask the contractors you interview these relevant questions.
If you want the best possible performance out of your HVAC system, you need to know as much about it as you can. The following answers to several frequently asked questions about HVAC systems can help you keep your heating and cooling equipment in top shape.