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  2. Grate heater - Wikipedia

    en.wikipedia.org/wiki/Grate_heater

    This tubular fireplace grate heater has a large surface area heat exchanger in a compact design, with a fan or blower (fans and blowers are not the same) to multiply the effect of natural convection. This is a very basic tubular blower that sits under a grate and heats the air being pumped through it from the heat of the coals.

  3. Best Gas Grills of 2022, according to Consumer Reports - AOL

    www.aol.com/news/best-gas-grills-2022-according...

    Nexgrill Deluxe 720-0896B (Home Depot) $449.00 at Home Depot. Nexgrill Deluxe 720-0896B (Home Depot) $652.55 at Walmart. Best Large Gas Grills Monument Grills 77352

  4. Fireplace - Wikipedia

    en.wikipedia.org/wiki/Fireplace

    Fireplace with tubular grate heater, with a high surface area in its heat exchanger and a lift out ash tray to simplify cleanup Some fireplace units incorporate a blower, which transfers more of the fireplace's heat to the air via convection , resulting in a more evenly heated space and a lower heating load.

  5. Ripoff Report - Wikipedia

    en.wikipedia.org/wiki/Ripoff_Report

    Ripoff Report is a private for-profit website founded by Ed Magedson. [1] The Ripoff Report has been online since December 1998 and is operated by Xcentric Ventures, LLC which is based in Tempe, Arizona. [2]

  6. Franklin stove - Wikipedia

    en.wikipedia.org/wiki/Franklin_stove

    A Franklin stove. The Franklin stove is a metal-lined fireplace named after Benjamin Franklin, who invented it in 1742. [1] It had a hollow baffle near the rear (to transfer more heat from the fire to a room's air) and relied on an "inverted siphon" to draw the fire's hot fumes around the baffle. [2]

  7. Heating seasonal performance factor - Wikipedia

    en.wikipedia.org/wiki/Heating_seasonal...

    Heating seasonal performance factor (HSPF) is a term used in the heating and cooling industry. HSPF is specifically used to measure the efficiency of air source heat pumps. HSPF is defined as the ratio of heat output (measured in BTUs) over the heating season to electricity used (measured in watt-hours). [1] [2] It therefore has units of BTU ...

  8. Register (air and heating) - Wikipedia

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

    Usually, a register is placed near a window or door, which is where the greatest heat/cooling loss occurs. [4] [5] In contrast, returns (grilled ducts which suck air back into the HVAC system for heating or cooling) are usually placed in the wall or ceiling nearest the center of the building. Generally, in rooms where it is critical to maintain ...

  9. Coefficient of performance - Wikipedia

    en.wikipedia.org/wiki/Coefficient_of_performance

    The coefficient of performance or COP (sometimes CP or CoP) of a heat pump, refrigerator or air conditioning system is a ratio of useful heating or cooling provided to work (energy) required. [ 1 ] [ 2 ] Higher COPs equate to higher efficiency, lower energy (power) consumption and thus lower operating costs.

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