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  2. Direct vent fireplace - Wikipedia

    en.wikipedia.org/wiki/Direct_vent_fireplace

    A direct vent fireplace is a prefabricated metal fireplace that employs a direct-vent combustion system. "Direct vent" refers to a sealed-combustion system in which air for combustion is drawn from the outdoors, and waste combustion gasses are exhausted to the outdoors. "Direct vent" does not simply mean that all gasses from combustion are ...

  3. Ground-coupled heat exchanger - Wikipedia

    en.wikipedia.org/wiki/Ground-coupled_heat_exchanger

    Potential benefits associated with shared ground heat exchange. A shared ground array comprises connected ground heat exchangers for use by more than one home. [1] They can deliver low-carbon heating where individual ground-coupled heat exchangers are not viable, such as in terraced housing with little outside space.

  4. Radiant heating and cooling - Wikipedia

    en.wikipedia.org/wiki/Radiant_heating_and_cooling

    This technology spread across the Roman Empire but declined after its fall, replaced by simpler fireplaces in the Middle Ages. In this period, systems like the Kachelofen from Austria and Germany used thermal masses for efficient heat storage and distribution. During the 18th century, radiant heating gained renewed use in Europe, driven by ...

  5. 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.

  6. SS Empire Comfort - Wikipedia

    en.wikipedia.org/wiki/SS_Empire_Comfort

    SS Empire Comfort was a 1,333 GRT convoy rescue ship which was launched in 1944 as HMS York Castle a Castle-class corvette, but was renamed Empire Castle and converted for merchant service before completion by Ferguson Brothers (Port Glasgow) Ltd., Port Glasgow as yard number 372. [1]

  7. Central heating - Wikipedia

    en.wikipedia.org/wiki/Central_heating

    Sealed systems offer an alternative to open-vent systems, in which steam can escape from the system, and gets replaced from the building's water supply via a feed and central storage system. Heating systems in the United Kingdom and in other parts of Europe commonly combine the needs of space heating with domestic hot-water heating.

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