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  2. Heat Up Energy Savings by Investing in a Humidifier ... - AOL

    www.aol.com/news/2012-09-05-save-on-heating...

    Naturally, the easiest thing to do is to turn down your thermostat. Based on national averages, it costs about $200 per month to heat your home to 72 degrees, while it costs just $144 per month to ...

  3. Heating, ventilation, and air conditioning - Wikipedia

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

    The three major functions of heating, ventilation, and air conditioning are interrelated, especially with the need to provide thermal comfort and acceptable indoor air quality within reasonable installation, operation, and maintenance costs.

  4. Humidistat - Wikipedia

    en.wikipedia.org/wiki/Humidistat

    A humidistat or hygrostat is an electronic device analogous to a thermostat but which responds to relative humidity, not temperature. A typical humidistat is usually included with portable humidifiers or dehumidifiers. It can also be included with combined air cleaner or humidifier units to control a home's humidity level or any other indoor ...

  5. What Does a Humidifier Do? 7 Reasons to Consider One ... - AOL

    www.aol.com/lifestyle/does-humidifier-7-reasons...

    Installing a whole-home humidifier or setting up a portable humidifier can help to get rid of this problem by increasing the moisture in the air until the humidity sits at a comfortable level ...

  6. Humidifier - Wikipedia

    en.wikipedia.org/wiki/Humidifier

    A humidifier is a household appliance or device designed to increase the moisture level in the air within a room or an enclosed space. It achieves this by emitting water droplets or steam into the surrounding air, thereby raising the humidity.

  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.

  8. Thermostat - Wikipedia

    en.wikipedia.org/wiki/Thermostat

    A thermostat exerts control by switching heating or cooling devices on or off, or by regulating the flow of a heat transfer fluid as needed, to maintain the correct temperature. 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.

  9. Central heating - Wikipedia

    en.wikipedia.org/wiki/Central_heating

    However, the variable price of oil on world markets leads to erratic and high prices compared to some other energy sources. Institutional heating systems (office buildings or schools, for example) can use low-grade, inexpensive bunker fuel to run their heating plants, but capital cost is high compared to more easily managed liquid fuels.