You use electricity every day of your life, so it is easy to take it for granted. Yet electricity is a major cause of injury on the job. This article provides tips on how to work on electrical equipment safely, avoid accidents, and avoid damage to equipment.
The solar heating, air conditioning, power, and lighting system installed at the guard station of the Pentagon Heating and Refrigeration Plant is one of the most advanced solar energy systems in the U.S. Despite its modest appearance, the system incorporates 12 advanced features.
As an owner-operator, my tools are essential to my work; they can be either a solid contributor or a cause of headaches. On a typical workday, my digital analyzer saves me work time, callbacks, and helps me keep my customers happy.
With the recent changes in the U.S. Environmental Protection Agency's (EPA's) 13-year-old refrigerant regulations, organizations must now really look at how they manage and account for refrigerants because EPA enforcement is now a black and white issue.
An HVAC technician must measure water temperatures, as well as dry bulb and wet bulb temperatures of air. For example, you may have to measure the entering and leaving temperatures for a coil - both for air and for water. Accurate readings can be critical.
Researchers at the Lawrence Berkeley National Laboratory (Berkeley Lab) Environmental Energy Technologies Division (EETD) have completed the first successful test of automated demand response in five large buildings.
There are three overlooked sources of heat loss in the home - the folding attic stair, the fireplace, and the clothes dryer. Here are some tips and techniques to quickly and inexpensively seal and insulate these areas.