Part 1: Evaluation of Mini-Split Heat Pumps as Supplemental and Full System Retrofits in a Hot-Humid Climate
More stringent energy efficiency standards and the demand for higher efficiency are increasing the popularity of technologies such as mini-split heat pumps (MSHPs). The market for ductless heat pumps is growing 10–30% annually. The U....
Which equipment specifications should you consider before you buy? [continue reading]
Many years ago I had the privilege of knowing Hector Romulus Demmel, a French Canadian backwoods guide who could do just about everything. He was an extraordinary fisherman, even though he didn’t like ... [continue reading]
One of the first homes Mike McFarland evaluated was his own. McFarland, owner of Energy Docs Home Performance in Redding, California, was curious about why his energy use spiked in December and January. It didn&... [continue reading]
Low income weatherization providers nationally face a dilemma. Too often, the highest-use households do not qualify for existing programs, because their homes need extensive repairs that must be done before the roof can be insulated ... [continue reading]
A 2015 study, “Impacts of global warming on residential heating and cooling degree-days in the United States,” comparing heating ...
“Why do you need to cool and heat the whole building? Why don’t you cool and heat ...