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  2. Dehumidifier - Wikipedia

    en.wikipedia.org/wiki/Dehumidifier

    A typical "portable" dehumidifier can be moved about on built-in casters. A dehumidifier is an air conditioning device which reduces and maintains the level of humidity in the air. [1] This is done usually for health or thermal comfort reasons or to eliminate musty odor and to prevent the growth of mildew by extracting water from the air. It ...

  3. Tankless water heating - Wikipedia

    en.wikipedia.org/wiki/Tankless_water_heating

    Mobile water heater in a train car (Russia) Tankless water heaters provide many advantages: [9] Long term energy savings: Though a tankless water heater typically costs more initially, it usually costs less to operate because of lower energy use—since it only heats water when required instead of continuously maintaining a tank of heated water ...

  4. Humidifier - Wikipedia

    en.wikipedia.org/wiki/Humidifier

    Human water losses, both respiratory, and insensible water loss like sweat, range in average 0.75 L/d in sedentary adults. [14] However, most people do not spend most of the day at home. Houseplants may also be used as natural humidifiers, especially if they are placed in fabric flowerpots, since they evaporate water into the air through ...

  5. Storage water heater - Wikipedia

    en.wikipedia.org/wiki/Storage_water_heater

    Solar heat is clean and renewable. This is the most modern system. Increasingly, solar powered water heaters are being used. Their solar thermal collectors are installed outside dwellings, typically on the roof or walls or nearby, and the potable hot water storage tank is typically a pre-existing or new conventional water heater, or a water heater specifically designed for solar thermal.

  6. Water heating - Wikipedia

    en.wikipedia.org/wiki/Water_heating

    An 80 US gal (300 L; 67 imp gal) electric storage tank water heater was able to have a minimum energy factor of 86% under the pre-2015 standard, while under the 2015 standard, the minimum energy factor for an 80-gallon electric storage tank water heater is now 197%, which is only possible with heat pump technology. This rating measures ...

  7. Instant hot water dispenser - Wikipedia

    en.wikipedia.org/wiki/Instant_hot_water_dispenser

    On the other hand, an instant hot water dispenser without a tank does not waste significant energy. When hot water is needed, the instant heater consumes at least 2000 watts to produce hot water at 92 °C and above. [citation needed] The hot water flow rate is approximately 20 litres per hour. Comparing this with the insulated tank type of hot ...

  8. Fan coil unit - Wikipedia

    en.wikipedia.org/wiki/Fan_coil_unit

    The equipment used can consist of machines used to remove heat such as a chiller or a cooling tower and equipment for adding heat to the building's water such as a boiler or a commercial water heater. Hydronic fan coil units can be generally divided into two types: Two-pipe fan coil units or four-pipe fan coil units. Two-pipe fan coil units ...

  9. Mechanical, electrical, and plumbing - Wikipedia

    en.wikipedia.org/wiki/Mechanical,_electrical...

    In special cases, water cooling/heating, humidity control or air filtration [5] may also be incorporated. For example, Google's data centres make extensive use of heat exchangers to cool their servers. [6] This system creates an additional overhead of 12% of initial energy consumption.

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