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2. How to keep your air conditioning from failing in brutal heat ...

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3. 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 ...

4. Air conditioning - Wikipedia

   en.wikipedia.org/wiki/Air_conditioning

   The efficiency of air conditioners is often rated by the seasonal energy efficiency ratio (SEER), which is defined by the Air Conditioning, Heating and Refrigeration Institute in its 2008 standard AHRI 210/240, Performance Rating of Unitary Air-Conditioning and Air-Source Heat Pump Equipment. [61]

5. Sick building syndrome - Wikipedia

   en.wikipedia.org/wiki/Sick_building_syndrome

   An air quality monitor. Human exposure to aerosols has a variety of adverse health effects. [7] Building occupants complain of symptoms such as sensory irritation of the eyes, nose, or throat; neurotoxic or general health problems; skin irritation; nonspecific hypersensitivity reactions; infectious diseases; [8] and odor and taste sensations. [9]

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

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

   Have your air-conditioning system serviced according to the manufacturer’s instructions. Some types of filters, for example, are designed to be disposable, while others are designed to be reused.

7. What’s That Winter Air Burn In My Lungs? - AOL

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   The nose warms and humidifies air more efficiently than the mouth. A slow drink of warm water may help relieve pain associated with the burning sensation in the lungs.