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  2. Should You Close Vents In Unused Rooms During Winter ... - AOL

    www.aol.com/lifestyle/close-vents-unused-rooms...

    Here’s what homeowners need to know.

  3. Heating, ventilation, and air conditioning - Wikipedia

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

    Rooftop HVAC unit with view of fresh-air intake vent Ventilation duct with outlet diffuser vent. These are installed throughout a building to move air in or out of rooms. In the middle is a damper to open and close the vent to allow more or less air to enter the space. The control circuit in a household HVAC installation.

  4. Register (air and heating) - Wikipedia

    en.wikipedia.org/wiki/Register_(air_and_heating)

    However, the hot air must be pushed from the register with enough force (or "throw") so that it will cross the room and reach the window. If there is too little throw, the hot air will stop moving partway across the room, the cold air from the window will not be heated (creating the feeling of a cool draft), and air circulation will suffer. [9]

  5. 5 things you should (and should not) do to make your AC unit ...

    www.aol.com/news/5-things-not-ac-unit-140622695.html

    Keep vents open: And let air flow freely. Restricting air won’t regulate the temperature of your space. Restricting air won’t regulate the temperature of your space. 5.

  6. 10 Signs Your Heater Isn’t Working as Well as It Could (and ...

    www.aol.com/lifestyle/10-signs-heater-isn-t...

    Start by checking to see if any of the vents are fully or partially blocked. ... result of a clogged air filter or clogged vent, which would force the heater to work harder to heat the home ...

  7. Damper (flow) - Wikipedia

    en.wikipedia.org/wiki/Damper_(flow)

    A damper is a valve or plate that stops or regulates the flow of air inside a duct, chimney, VAV box, air handler, or other air-handling equipment. A damper may be used to cut off central air conditioning (heating or cooling) to an unused room, or to regulate it for room-by-room temperature and climate control - for example, in the case of ...

  8. Hydronics - Wikipedia

    en.wikipedia.org/wiki/Hydronics

    The air exits the system through the air-venting valves on the radiators and on the steam pipes themselves. The thermostatic valves close when they become hot; in the most common kind, the vapor pressure of a small amount of alcohol in the valve exerts the force to actuate the valve and prevent steam from leaving the radiator.

  9. Don’t fall for odd tricks, myths on how to make your AC run ...

    www.aol.com/news/don-t-fall-odd-tricks-204435487...

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