Energy efficiency

Energy efficiency

Industry: Energy

Add a new term

Contributors in Energy efficiency

Become a Contributors

Energy efficiency

Frequency

Energy; Energy efficiency

The number of cycles through which an alternating current passes per second; in the U.S. the standard for electricity generation is 60 cycles per second (60 Hertz).

Heating degree day (HDD)

Energy; Energy efficiency

The number of degrees per day that the daily average temperature (the mean of the maximum and minimum recorded temperatures) is below a base temperature, usually 65 degrees Fahrenheit, unless ...

Motor speed

Energy; Energy efficiency

The number of revolutions that the motor turns in a given time period (i.e. revolutions per minute, rpm).

Char

Energy; Energy efficiency

A byproduct of low-temperature carbonization of a solid fuel.

A building with more than 50 percent of its floor space used for commercial activities, which include stores, offices, schools, churches, libraries, museums, health care facilities, warehouses, and ...

Sun tempered building

Energy; Energy efficiency

A building that is elongated in the east-west direction, with the majority of the windows on the south side. The area of the windows is generally limited to about 7% of the total floor area. A ...

Dopant

Energy; Energy efficiency

A chemical element (impurity) added in small amounts to an otherwise pure semiconductor material to modify the electrical properties of the material. An n-dopant introduces more electrons. A p-dopant ...