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....
I tested a dual system for domestic hot water and space heating in a home where a furnace and ductwork were previously used for space heating. [continue reading]
Canada has developed a furnace sizing protocol that uses actual gas meter readings to size replacement furnaces. [continue reading]
Q I live in a 1920s Wardman row house in Washington, D.C. The house has a cast-iron radiator heating system. I hired a local contractor to do some bathroom renovations. It was necessary to ... [continue reading]
Plumber’s Bummer This picture was taken from inside a mobile home. The plumber had run the water lines inside the ductwork to prevent freezing. However, he failed to seal the ductwork back. We ... [continue reading]
Training in the whole-house approach to home performance gives contractors the ability to save lives as well as energy. [continue reading]
Madison Gas and Electric's goal was simply to give its customers a sense of the range of electricity and gas costs across a variety of larger multifamily properties. [continue reading]
While energy prices are at record highs with no relief in sight, building owners and managers of multifamily buildings are investigating ways to reduce energy operating costs for their properties. Besides saving energy, these owners ... [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 ...