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2. New Biden water heater ban will drive up energy prices for ...

   www.aol.com/biden-water-heater-ban-drive...

   A Biden administration ban on certain natural gas water heaters as part of ... “These long-awaited standards will ensure more families save with proven energy-efficient technology already used ...

3. Water heating - Wikipedia

   en.wikipedia.org/wiki/Water_heating

   Energy efficiencies of water heaters in residential use can vary greatly, particularly depending on manufacturer and model. However, electric heaters tend to be slightly more efficient (not counting power station losses) with recovery efficiency (how efficiently energy transfers to the water) reaching about 98%.

4. Electric heating - Wikipedia

   en.wikipedia.org/wiki/Electric_heating

   Alternatively, a heat pump can achieve around 150% – 600% efficiency for heating, or COP 1.5 - 6.0 Coefficient of performance, because it uses electric power only for transferring existing thermal energy. The heat pump uses an electric motor to drive a reversed refrigeration cycle, that draws heat energy from an external source such as the ...

5. LO-NOx burner - Wikipedia

   en.wikipedia.org/wiki/LO-NOx_burner

   These heaters can be positioned more conveniently and centralised to affect optimum warm air distribution. By definition unflued low NO x gas heaters are 100% efficient as all heat energy released from the flame is converted to useful heat.

6. 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 ...

7. Thermal efficiency - Wikipedia

   en.wikipedia.org/wiki/Thermal_efficiency

   For a heat engine, thermal efficiency is the ratio of the net work output to the heat input; in the case of a heat pump, thermal efficiency (known as the coefficient of performance or COP) is the ratio of net heat output (for heating), or the net heat removed (for cooling) to the energy input (external work). The efficiency of a heat engine is ...