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2. Tankless water heating - Wikipedia

   en.wikipedia.org/wiki/Tankless_water_heating

   Gas water heaters have an exhaust vent or one to two exhaust pipes on the top, and still require electric power for electronics, sensing and ignition. A three-phase, 21 kW, 400-volt tankless water heater in Europe, with new European color coding for three-phase power. There are also heaters that use several single-phase circuits instead.

3. Thermoelectric cooling - Wikipedia

   en.wikipedia.org/wiki/Thermoelectric_cooling

   Thermoelectric cooling. Thermoelectric cooling uses the Peltier effect to create a heat flux at the junction of two different types of materials. A Peltier cooler, heater, or thermoelectric heat pump is a solid-state active heat pump which transfers heat from one side of the device to the other, with consumption of electrical energy, depending ...

4. Elkay Manufacturing - Wikipedia

   en.wikipedia.org/wiki/Elkay_Manufacturing

   Elkay Manufacturing Company is an American manufacturer of stainless steel sinks, faucets, [1] drinking fountains, bottle fillers and branded commercial interiors. [2] The company was founded in 1920 by Leopold Katz, his son Louis, and Ellef Robarth, a tinsmith who came up with an idea to hand fabricate German silver sinks and deliver them in ...

5. This protocol can save overheating patients. Few states ...

   www.aol.com/protocol-save-overheating-patients...

   Multiple dangerous heat waves struck the United States in 2024, and excessive heat is the No. 1 cause of weather-related deaths in the United States. Around the world , rising temperatures have ...

6. Heat pump - Wikipedia

   en.wikipedia.org/wiki/Heat_pump

   e. A heat pump is a device that consumes work (or electricity) to transfer heat from a cold heat sink to a hot heat sink. Specifically, the heat pump transfers thermal energy using a refrigeration cycle, cooling the cool space and warming the warm space. [ 1] In cold weather, a heat pump can move heat from the cool outdoors to warm a house (e.g ...

7. Boeing 737 MAX crash families say planemaker should ... - AOL

   www.aol.com/news/boeing-737-max-crash-families...

   WASHINGTON (Reuters) -Families for some of the 346 people killed in two fatal Boeing 737 MAX crashes said on Wednesday a U.S. judge should reject the planemaker's proposed plea deal with the ...