- FIT
- Feed-in Tariff: subsidy paid to for the installation of uneconomic energy supply equipment, notably solar photovoltaic panels, and funded by a levy on predominantly non-domestic users
- Flash steam
- Steam produced when water (usually condensate) at temperatures exceeding 100ºC is reduced in pressure
- Flow metering
- Read article...
- Fluorescent lamp
- Light source consisting of a glass tube, filled with an
inert gas and internally coated with
fluorescent material which emits light when energised
by an electric arc struck in the gas. Click
here
for a discussion of why it is not more efficient to keep such
a lamp turned on when it is not required.
- Freezers, efficiency
- Click here for discussion
of the myth that a full freezer is more efficient
- Furnaces
- Equipment either electric or fuel-fired for treatment of
materials at high temperature. Read article