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HVAC (heating, ventilation, and air conditioning) is a major sub discipline of mechanical engineering. The goal of HVAC design is to balance indoor environmental comfort with other factors such as installation cost, ease of maintenance, and energy efficiency. The discipline of HVAC includes a large number of specialized terms and acronyms, many ...
Air conditioning equipment will reduce the absolute humidity of the air processed by the system if the surface of the evaporator coil is significantly cooler than the dew point of the surrounding air. An air conditioner designed for an occupied space will typically achieve a 30% to 60% relative humidity in the occupied space.
Central, "all-air" air-conditioning systems (or package systems) with a combined outdoor condenser/evaporator unit are often installed in North American residences, offices, and public buildings, but are difficult to retrofit (install in a building that was not designed to receive it) because of the bulky air ducts required. [32] (Minisplit ...
The compressed air, then, is held in the tank until called into use. [14] Air conditioner – Air conditioning (often referred to as AC, A/C, or air con) [15] is the process of removing heat and moisture from the interior of an occupied space, to improve the comfort of occupants. Air conditioning can be used in both domestic and commercial ...
These expressions are normally hyphenated. Note that the hyphenation of an expression is subject to its context (see hyphen and MOS:HYPHEN). above-mentioned; all-inclusive; anti-inflammatory; award-winning; back-to-back; case-insensitive; case-sensitive; clear-headed; co-op (to distinguish from coop) cross-reference; day-to-day; de-emphasize ...
English orthography comprises the set of rules used when writing the English language, [1] [2] allowing readers and writers to associate written graphemes with the sounds of spoken English, as well as other features of the language. [3] English's orthography includes norms for spelling, hyphenation, capitalisation, word breaks, emphasis, and ...
Taking this one stage further, the clue word can hint at the word or words to be abbreviated rather than giving the word itself. For example: "About" for C or CA (for "circa"), or RE. "Say" for EG, used to mean "for example". More obscure clue words of this variety include: "Model" for T, referring to the Model T.
English uses many open compound nouns, a large subclass of which, by convention in accepted English orthography, are not closed up (not solidified) and are sometimes optionally hyphenated in attributive position (that is, when functioning as a noun adjunct). Examples are high school, kidney disease, and file format.