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  2. Heating, ventilation, and air conditioning - Wikipedia

    en.wikipedia.org/wiki/Heating,_ventilation,_and...

    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 ...

  3. Air conditioning - Wikipedia

    en.wikipedia.org/wiki/Air_conditioning

    The output of the infrared LED (like that of any infrared remote) is invisible to the human eye because its wavelength is beyond the range of visible light (940 nm). This system is commonly used on mini-split air conditioners because it is simple and portable. Some window and ducted central air conditioners uses it as well.

  4. Glossary of HVAC terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_HVAC_terms

    A two-stage air conditioner is designed to operate on high and low settings during different weather conditions and seasons. The high setting is used during extreme weather, and the low setting is used during moderate weather. This type of air conditioner produces a balanced temperature and is in use for a longer period of time.

  5. Category:Heating, ventilation, and air conditioning - Wikipedia

    en.wikipedia.org/wiki/Category:Heating...

    Air barrier; Air changes per hour; Air Conditioning, Heating and Refrigeration Institute; Air door; Air handler; Air Infiltration and Ventilation Centre; Air Movement and Control Association; Air source heat pump; Air-mixing plenum; Airflow; Airflow window; American Residential Services; ASHRAE; Annual fuel utilization efficiency; Aquastat ...

  6. Central air conditioning - Wikipedia

    en.wikipedia.org/?title=Central_air_conditioning&...

    Air conditioning#Central plant cooling To a section : This is a redirect from a topic that does not have its own page to a section of a page on the subject. For redirects to embedded anchors on a page, use {{ R to anchor }} instead .

  7. HVAC control system - Wikipedia

    en.wikipedia.org/wiki/HVAC_control_system

    HVAC (Heating, Ventilation and Air Conditioning) equipment needs a control system to regulate the operation of a heating and/or air conditioning system. [1] Usually a sensing device is used to compare the actual state (e.g. temperature) with a target state. Then the control system draws a conclusion what action has to be taken (e.g. start the ...

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  9. Rheem Manufacturing Company - Wikipedia

    en.wikipedia.org/wiki/Rheem_Manufacturing_Company

    One of the most significant events came in 1956 with the introduction of "Rheemaire" central air conditioning and heating systems for homes. This eventually became one of the company's primary business areas. [12] [16] In 1968 [17] a plant was opened in Bergum (Burgum in Frisian) in the Netherlands. The plant was successful but had to close its ...