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  2. Sick building syndrome - Wikipedia

    en.wikipedia.org/wiki/Sick_building_syndrome

    Proper and frequent maintenance of HVAC systems; UV-C light in the HVAC plenum; Installation of HVAC air cleaning systems or devices to remove VOCs and bioeffluents (people odors) Central vacuums that completely remove all particles from the house including the ultrafine particles (UFPs) which are less than 0.1 μm

  3. Heat recovery ventilation - Wikipedia

    en.wikipedia.org/wiki/Heat_recovery_ventilation

    Diagramatic operation of a thermal wheel Ljungström Air Preheater by Swedish engineer Fredrik Ljungström (1875–1964). A thermal wheel, also known as a rotary heat exchanger, or rotary air-to-air enthalpy wheel, energy recovery wheel, or heat recovery wheel, is a type of energy recovery heat exchanger positioned within the supply and exhaust air streams of air-handling units or rooftop ...

  4. Tubular Exchanger Manufacturers Association - Wikipedia

    en.wikipedia.org/wiki/Tubular_Exchanger...

    Because heat exchangers can be configured many different ways, TEMA has standardized the nomenclature of exchanger types. [13] A letter designation is used for the front head type, shell type, and rear head type of an exchanger. For example, a fixed tubesheet exchanger with bolted removable bonnets is designated as a 'BEM' type.

  5. Heat and moisture exchanger - Wikipedia

    en.wikipedia.org/wiki/Heat_and_Moisture_Exchanger

    Heat and Moisture Exchanger Heat and moisture exchangers (HME) are devices used in mechanically ventilated patients intended to help prevent complications due to "drying of the respiratory mucosa, such as mucus plugging and endotracheal tube (ETT) occlusion."

  6. Water heat recycling - Wikipedia

    en.wikipedia.org/wiki/Water_heat_recycling

    Installation of a double-walled copper-on-copper heat exchanger in a vertical section of the master drain line in a Canadian home (2007) Water heat recycling (also known as drain water heat recovery, waste water heat recovery, greywater heat recovery, [citation needed] or sometimes shower water heat recovery [citation needed]) is the use of a heat exchanger to recover energy and reuse heat ...

  7. Absorption heat pump - Wikipedia

    en.wikipedia.org/wiki/Absorption_heat_pump

    The heat pump system is made up of some main units such as the generator, condenser, evaporator, absorber and heat exchanger, as well as the suction device, shielding pump (solution pump and refrigerant pump). [4] In the simplest case, five heat exchangers are also required (at each component and an internal heat exchanger).

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