HVAC design, Manuals J, S, T, & D, Duct leakage, Air flow, ENERGY STAR new home requirements, and more. Since heating & cooling are such a big part of home energy use, understanding HVAC is critical.
Latest Activity: Jun 8
HVAC integration – The pastWhen the first air conditioning systems came in, they were simple mechanical “machines”, with very…Continue
Hello Energy Pro’s. On behalf of Zehnder North America, I would like to put out a request for 3rd party QA/commissioning agents across North America. We are looking for Home Energy Raters,…Continue
Now that my wife and I are involved in BPI training and plan to conduct field test at our residence, the work scope for integrated HVAC has become more involved. We'd like to use our efficient…Continue
Hello everyone and Happy Holidays!Attic ductwork is ubiquitous in extant, single floor, single family housing and we are all too aware of the numerous shortcomings. A number of years ago, I decided…Continue
Suppose you have a forced-air natural gas furnace. At the end of its life, you are considering replacing it with an ENERGY STAR model. In the cold northern states, that means 95 AFUE with an…Continue
Some of the things homeowners,…Continue