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  2. Baseboard - Wikipedia

    en.wikipedia.org/wiki/Baseboard

    A baseboard differs from a wainscot; a wainscot typically covers from the floor to around 1-1.5 metres (3' to 5') high (waist or chest height), whereas a baseboard is typically under 0.2 metres (8") high (ankle height). Plastic baseboard comes in various plastic compounds, the most common of which is UPVC.

  3. Hydrothermal vent - Wikipedia

    en.wikipedia.org/wiki/Hydrothermal_vent

    Hydrothermal vents exist because the Earth is both geologically active and has large amounts of water on its surface and within its crust. Under the sea, they may form features called black smokers or white smokers, which deliver a wide range of elements to the world's oceans, thus contributing to global marine biogeochemistry. Relative to the ...

  4. Ground source heat pump - Wikipedia

    en.wikipedia.org/wiki/Ground_source_heat_pump

    A heat pump in combination with heat and cold storage. A ground source heat pump (also geothermal heat pump) is a heating/cooling system for buildings that use a type of heat pump to transfer heat to or from the ground, taking advantage of the relative constancy of temperatures of the earth through the seasons.

  5. Underfloor heating - Wikipedia

    en.wikipedia.org/wiki/Underfloor_heating

    Underfloor heating pipes, before they are covered by the screed. Underfloor heating and cooling is a form of central heating and cooling that achieves indoor climate control for thermal comfort using hydronic or electrical heating elements embedded in a floor.

  6. Hydronics - Wikipedia

    en.wikipedia.org/wiki/Hydronics

    The two-pipe reverse return configuration which is sometimes called 'the three-pipe system' is different from the two-pipe system in the way that water returns to the boiler. In a two-pipe system, once the water has left the first radiator, it returns to the boiler to be reheated, and so with the second and third etc.

  7. Tankless water heating - Wikipedia

    en.wikipedia.org/wiki/Tankless_water_heating

    Built-in small storage water reservoir as part of heat exchanger (typically between 2 US gallons (7.6 L; 1.7 imp gal) to 20 gallons) Dual activation: flow sensing and thermostat control; Hybrid water heaters can be gas-fired (natural gas or propane), or be electrically powered using a combination of heat pump and conventional electric heating ...