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2. Heat pump - Wikipedia

   en.wikipedia.org/wiki/Heat_pump

   A heat pump is a device that uses electricity to transfer heat ... fuel prices were very high in Switzerland but ... Pumps with ratings of 18 SEER or above are ...

3. EnergySage - Wikipedia

   en.wikipedia.org/wiki/EnergySage

   EnergySage is an American Boston-based company that operates an online comparison marketplace for clean energy products such as solar, energy storage, and heat pumps. The company's website provides information about clean energy options and shows online quotes from local solar, heat pump, and battery installers for consumer comparison shopping.

4. Seasonal energy efficiency ratio - Wikipedia

   en.wikipedia.org/wiki/Seasonal_energy_efficiency...

   In the United States, the efficiency of air conditioners is often rated by the seasonal energy efficiency ratio (SEER) which is defined by the Air Conditioning, Heating, and Refrigeration Institute, a trade association, in its 2008 standard AHRI 210/240, Performance Rating of Unitary Air-Conditioning and Air-Source Heat Pump Equipment. [1]

5. Heating seasonal performance factor - Wikipedia

   en.wikipedia.org/wiki/Heating_seasonal...

   A well designed ground source heat pump installation should achieve an SPF of 3.5, or over 5 if linked to a solar-assisted thermal bank. [6] Example: For a heat pump delivering 120,000,000 BTU during the season, when consuming 15,000 kWh, the HSPF can be calculated as : HSPF = 120000000 (BTU) / (1000) / 15000 (kWh) HSPF = 8

6. Air source heat pump - Wikipedia

   en.wikipedia.org/wiki/Air_source_heat_pump

   In the UK, annual heat pump sales have steadily grown in recent years with 26,725 heat pumps sold in 2018, a figure which has increased to 60,244 heat pumps sales in 2023. [80] ASHPs can be helped to compete by increasing the price of fossil gas compared to that of electricity and using suitable flexible electricity pricing . [ 19 ]

7. Good news: The worst could be over for gas prices this spring

   www.aol.com/good-news-worst-could-over-100028623...

   US gas prices have stopped rising and even briefly dipped in recent days. The national average stood at $3.66 a gallon on Monday, down from $3.68 a week ago, according to AAA .