The Search for Thermal Comfort
In the beginning there was woman and man, naked; I assume. The body’s core temperature is stable at about 98 °F. In an outdoor environment with a temperature between 65 to 102 °F, a ...
Energy Star is probably the most widely recognized energy efficiency brand in North America. A recent study cited it as the second-most trusted consumer brand, right behind the Good Housekeeping seal. Critics of that study ... [continue reading]
Q. Home performance contracting is new to us at our residential heating and cooling company in the Northeast. We are trying to do best by our customers as we learn on the go. One issue ... [continue reading]
California is slowly moving toward net zero energy construction, defined as building structures that produce as much energy on-site as they consume. The Long Term Energy Efficiency Strategic Plan of the California Public Utilities Commission (... [continue reading]
In 2003, the European Commission passed the Energy Performance of Buildings Directive (EPBD)—perhaps the first mandatory implementation of time-of-sale energy labeling of buildings. To date, the United States has not followed suit. However, recent ... [continue reading]
There are many reasons to measure things in the building science world. For instance, you may need to commission a commercial building to guarantee temperatures, air flows, or other comfort parameters. You may need to ... [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 ...