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2. Tankless water heating - Wikipedia

   en.wikipedia.org/wiki/Tankless_water_heating

   A hybrid water heater is a water heating system that integrates technology traits from both the tank-type water heaters and the tankless water heaters. [5] It maintains water pressure and consistent supply of hot water across multiple hot water applications, and like its tankless cousins, it is efficient and can supply a continuous flow of hot ...

3. Water heating - Wikipedia

   en.wikipedia.org/wiki/Water_heating

   Under the pre-2015 standard, a 75 US gal (280 L; 62 imp gal) gas storage water heater with a nominal input of 22 kW (75,000 BTU/h) or less was able to have an energy factor as low as 53%, while under the 2015 standard, the minimum energy factor for a 75-US-gallon gas storage tank water heater is now 74%, which can only be achieved by using ...

4. Bradford White - Wikipedia

   en.wikipedia.org/wiki/Bradford_White

   Bradford White Corporation, headquartered in Ambler, Pennsylvania, is an American-owned and employee owned, full-line manufacturer of residential and commercial and industrial products for water heating, space heating, combination heating and storage applications.

5. Thermostatic mixing valve - Wikipedia

   en.wikipedia.org/wiki/Thermostatic_mixing_valve

   There are three main categories for water temperature controlling devices: Heat Source, Group Control, and Point-of-Use. Heat Source. These are used with central heating systems that use water as a medium. Tempering valves for use on hot water heat distribution systems; High flow rates suitable for use in under floor (radiant) heating applications

6. Heat trap - Wikipedia

   en.wikipedia.org/wiki/Heat_trap

   Heat traps are valves or loops of pipe on the cold water inlet and hot water outlet of water heaters. The heat traps allow cold water to flow into the water heater tank, but prevent unwanted natural convection and heated water to flow out of the tank. [1] [2] Newer water heaters have built-in heat traps.

7. Instant hot water dispenser - Wikipedia

   en.wikipedia.org/wiki/Instant_hot_water_dispenser

   Hot water dispenser at Lanzhou Bus Station, China, providing free boiling water to make a cup of tea or a bowl of instant noodles. An instant hot water dispenser or boiling water tap is an appliance that dispenses water at about 94 °C (201 °F) (near-boiling). There are hot-only and hot and cool water models, and the water may be filtered as ...

8. Heat recovery ventilation - Wikipedia

   en.wikipedia.org/wiki/Heat_recovery_ventilation

   Diagramatic operation of a thermal wheel Ljungström Air Preheater by Swedish engineer Fredrik Ljungström (1875–1964). A thermal wheel, also known as a rotary heat exchanger, or rotary air-to-air enthalpy wheel, energy recovery wheel, or heat recovery wheel, is a type of energy recovery heat exchanger positioned within the supply and exhaust air streams of air-handling units or rooftop ...

9. District cooling - Wikipedia

   en.wikipedia.org/wiki/District_cooling

   In a snow storage frozen water (snow and/or ice) is saved in some kind of storage (pile, pit, cavern etc.). The cold is utilized by pumping melt water to the cooling object, directly in a district cooling system or indirect by a heat exchanger. The lukewarm melt water is then pumped back to the snow where it gets cooled and mixed with new melt ...