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  2. Glossary of HVAC terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_HVAC_terms

    The study of the behavior of air-water vapor mixtures. Water vapor plays an important role in energy transfer and human comfort in HVAC design. rooftop unit (RTU) A packaged unit that controls both heating and air conditioning. An air handler typically refers to a unit that provides a fan to support either heating or cooling. radiant ceiling panels

  3. Heating, ventilation, and air conditioning - Wikipedia

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

    For example, at a given time one building may be utilizing chilled water for air conditioning and the warm water it returns may be used in another building for heating, or for the overall heating-portion of the DHC network (likely with energy added to boost the temperature). [3] [4] [5]

  4. 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 ...

  5. This is the seriously disgusting reason your air conditioner ...

    www.aol.com/article/lifestyle/2019/07/19/this-is...

    If you don’t keep them clean, they can make the air in your house extremely stinky. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways to ...

  6. Is your heater making you sick? How to avoid cold-like ...

    www.aol.com/lifestyle/heater-making-sick-avoid...

    These cold-like symptoms are referred to as "heater sickness." ... Refrigerating and Air Conditioning Engineers, reports a filter’s ability to capture larger participles between 0.3 and 10 ...

  7. Radiant heating and cooling - Wikipedia

    en.wikipedia.org/wiki/Radiant_heating_and_cooling

    A fireplace provides radiant heating, but also draws in cold air. A: Air for the combustion, in drafty rooms pulled from the outdoors. B: Hot exhaust gas heats building by convection as it leaves by chimney. C: Radiant heat, mostly from the high temperature flame, heats as it is absorbed