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  2. Automotive air conditioning - Wikipedia

    en.wikipedia.org/wiki/Automotive_air_conditioning

    Sustainable automotive air conditioning is the subject of a debate – also known as the Cool War – about the next-generation refrigerant in car air conditioning. An advocacy group, The Alliance for CO 2 Solutions , supports the uptake of carbon dioxide (CO 2 ) as a refrigerant in passenger cars, and the chemical industry is developing new ...

  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. Wax thermostatic element - Wikipedia

    en.wikipedia.org/wiki/Wax_thermostatic_element

    A correctly designed thermostat will never be fully open or fully closed while the engine is operating normally, or overheating or overcooling would occur. Double valve engine thermostat Engines which require a tighter control of temperature, as they are sensitive to "Thermal shock" caused by surges of coolant, may use a "constant inlet ...

  5. What's the best temperature to set your air conditioner ... - AOL

    www.aol.com/whats-best-temperature-set-air...

    Try these tips to chill during Ohio's heat wave and keep your air conditioner running efficiently.

  6. The best Kohl's Cyber Monday deals to shop before the sale ...

    www.aol.com/lifestyle/the-best-kohls-cyber...

    You can take 20% off some select on-sale styles using code ENJOY20, and earn an extra $10 off your purchase when you spend at least $50 and use code SHOPPERS10.Both coupons can be used together ...

  7. Thermostat - Wikipedia

    en.wikipedia.org/wiki/Thermostat

    A thermostat can often be the main control unit for a heating or cooling system, in applications ranging from ambient air control to automotive coolant control. Thermostats are used in any device or system that heats or cools to a setpoint temperature. Examples include building heating, central heating, and air conditioners, kitchen equipment ...

  8. Beat the Texas heat: What's the best temperature to set your ...

    www.aol.com/beat-texas-heat-whats-best-160453075...

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  9. Thermal expansion valve - Wikipedia

    en.wikipedia.org/wiki/Thermal_expansion_valve

    A thermal expansion valve is a key element to a heat pump; this is the cycle that makes air conditioning, or air cooling, possible. A basic refrigeration cycle consists of four major elements: a compressor, a condenser, a metering device and an evaporator. As a refrigerant passes through a circuit containing these four elements, air ...

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