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  2. Is Your HVAC System Making Your Home More Dusty? - AOL

    www.aol.com/hvac-system-making-home-more...

    Air purifiers with technologies like REME® and PHI-cell® offer optimal air cleansing by reducing pollutants and dust particles in the air. Additional Tips For Maintaining A Dust-Free Home

  3. Is your air conditioner making you sick? Experts unpack 'air ...

    www.aol.com/lifestyle/air-conditioner-making...

    The cool air from AC units helps balance a room’s humidity to prevent mold growth from happening. Sometimes, mold can be kept dormant for years until wet, damp conditions allow it to begin to ...

  4. 6 Common Reasons Why Your Refrigerator Isn’t Cooling, But the ...

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    The evaporator coils are where the air goes to cool down. However, if they're covered in frost, air can't pass through efficiently and won't get adequately cooled, resulting in a warm fridge.

  5. Air conditioning - Wikipedia

    en.wikipedia.org/wiki/Air_conditioning

    Air conditioning can be achieved using a mechanical 'air conditioner' or by other methods, including passive cooling and ventilative cooling. [ 2 ] [ 3 ] Air conditioning is a member of a family of systems and techniques that provide heating, ventilation, and air conditioning (HVAC) . [ 4 ]

  6. Seasonal energy efficiency ratio - Wikipedia

    en.wikipedia.org/wiki/Seasonal_energy_efficiency...

    Air-conditioner sizes are often given as "tons" of cooling, where 1 ton of cooling equals 12,000 BTU/h (3.5 kW). 1 ton of cooling equals the amount of power that needs to be applied continuously over a 24-hour period to melt 1 ton of ice. The annual cost of electric energy consumed by an air conditioner may be calculated as follows:

  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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