In the late nineteenth and early twentieth centuries, heating a home was a matter of tossing another log or more coal into the fireplace or stove. "Air conditioning" was the shade of a backyard tree. Twenty-first century homes use far...

Heating has had a major impact on human development by allowing people to reside and function far from the temperate areas of the earth. Heat warms human beings in one of three ways--conduction, convection, or radiation. Conducted heat passes directly...

Figure 2. Simplified arrangement of a crude oil refining system. Thermal energy delivered to a building from an outside...

HVAC (pronounced either "H-V-A-C" or, occasionally, "aitch-vak") is an initialism/acronym that stands for "heating, ventilating, and air conditioning". HVAC is sometimes referred to as "climate control" and is particularly important in the design of...

Information for Any Comfort Level As homeowners and businesses fire up furnaces and turn off air conditioners, here are some of the hottest and coolest electronic information sources for HVAC (heating, ventilating, and air conditioning) and refrigeration maintenance. Even in this highly...

Upgrades - On Time and On Budget Cost overruns and project delays with HVAC projects seem the norm. Overruns are now so common that some organizations don't become concerned until the project surpasses 15 percent of the original estimate. Project delays are even...

Location: Let’s start with 100 Church Street. You announced major improvements for it in 2006. Why the need for improvements? Mr. Sapir: Well, the building was built in 1958. We bought it in 1997. Over 10 years’ time, things deteriorate and technology comes into play....

The following recalls have been announced:_ About 140,000 Basic Blindz window blinds, manufactured in China and sold in Lowe's stores, because the blinds have a pull cord that is looped, posing a strangulation hazard to children. No injuries have been reported. The recall includes the...