WELCOME TO OUR Building dictionary : Heat pump to hepa filter PROJECT
To promote your business on this page, click here to find out more!
Summary: Building dictionary to explain building jargon and terminology from A - Z.
Share and bookmark DIY Doctor
|
Building dictionary for the letter H - Page 5
Heat pump
A refrigeration system designed to utilize alternately or simultaneously the heat extracted at a low temperature and the heat rejected at a higher temperature.
Heat sealing
The use of heat and pressure to bond plastic sheets or films.
Heat sink
(1) The substance or environment into which heat is discharged after its removal from a heat source, as by a heat pump. (2) Any medium capable of accepting discharged heat.
Heat source
(1) Any area, environment, or device which supplies heat. (2) The area from which a refrigeration system removes heat.
Heat transmission
The rate at which heat passes through a material by the combination of conduction, convection, and radiation.
Heat treatment
Subjecting any solid metal or alloy to heating and cooling to produce specific, desired changes in its physical condition or properties.
Heat-reflective glass
Window glass in which the exterior surface has been treated with a transparent metallic coating to reflect substantial portions of the light and radiant heat striking it.
Heater
(1) A general term including stoves, appliances, and other heat-producing units. (2) A person who heats something, such as a steelworker who heats rivets on a small forge before passing them to the sticker.
Heating plant
The entire heating system of a building or complex, including either a boiler, piping, and radiators, or a furnace, ducts, and air outlets.
Heating system
The method and its related necessary equipment used in a given heating application, such as a forced hot air system.
Heave
The localized upward bulging of the ground due to expansion or displacement caused by phenomena such as frost or moisture absorption.
Heavy construction
Construction requiring the use of large machinery, such as cranes or excavators.
Heel
(1) The lower end of a door's hanging stile or of a vertically placed timber, especially if it rests on a support. (2) A socket, floor brace, or similar device for wall-bracing timbers. (3) The bottom inside edge of a footing or a retaining wall. (4) The back end of a carpenter's plane.
Height
(1) The distance between two points in vertical alignment or from the top to the bottom of any object, space, or enclosure. (2) The vertical distance between the average grade around a building, or the average street curb elevation, and the average level of its roof. (3) The rise of an arch
Helical reinforcement
Column reinforcement bent in the form of a helix. More commonly called spiral reinforcement.
Heliport
An airport or landing area specifically for helicopters.
Helix
(1) A reinforcing rod bent to form a spiral used for reinforcing the circumference of concrete columns. (2) A volute found on a Corinthian or Ionic capital. (3) Any spiral structure, ornament, or form.
Hemp
A natural fibre once widely used in cordage, but now almost totally replaced by synthetic fibres, such as nylon and dacron. Hemp is still laminated to a paper backing to produce a type of wallcovering.
HEPA
high efficiency particulate air
HEPA-filter
A high efficiency particulate air filter.
| BACK TO MAIN LIST |
Was this project useful?
Much more construction information is available in our bookstore. All the tools and fittings you need in the toolstore.
