HVAC contractors can easily add duct cleaning services to their company by following a few tried and true steps, as explained by cleaning and restoration contractor David Hart. So you’re an HVAC ...

There has been a lot of buzz in the past several years surrounding the whole-house approach to analyzing energy efficiency and matching the correct system and components with each building envelope.

Before selecting duct materials, it helps to understand how air flows from your heating/cooling unit through the duct network. Most systems use either a hot air furnace or an air conditioner ...

A small-duct high-velocity system was used in this Johns Island, SC house. The ducts vents can hardly be seen. The house was designed by Architect Sam Rashkin. Energy Star estimates that 20% to 30% of ...