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&...
Over a third of America's domestic hot water is heated by electric resistance elements. For many residences, electric resistance is a more expensive method of water-heating than fossil fuels or solar, but there are buildings where these latter alternatives aren't feasible. [continue reading]
Next to space conditioning, water heating is the largest energy user in most homes. However, opportunities for savings aren't always obvious. [continue reading]
The subject of consumer choice and toilet quality has become increasingly important since the Energy Policy Act (EPACT) set new national minimum-efficiency standards for water closets, showerheads, and faucets. [continue reading]
In much of the United States, converting electric water heaters to gas can reduce household energy costs. However, many properties-particularly multifamily homes-have space limitations or venting problems that make such a retrofit impossible. [continue reading]
Energy professionals have long been frustrated by the lack of reliable data for sizing domestic hot water (DHW) equipment in multifamily buildings. [continue reading]
The most useful answers can be given if the questions tie into the broader context of getting the most from the whole water-heating system. [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 ...