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2. Furnace (central heating) - Wikipedia

   en.wikipedia.org/wiki/Furnace_(central_heating)

   The fourth category of furnace is the high-efficiency condensing gas furnace. High efficiency condensing gas furnaces typically achieve between 90% and 98% AFUE. [3] A condensing gas furnace includes a sealed combustion area, combustion draft inducer and a secondary heat exchanger. The primary gain in efficiency for a condensing gas furnace, as ...

3. Air source heat pump - Wikipedia

   en.wikipedia.org/wiki/Air_source_heat_pump

   Although higher cost heat pumps can be more efficient a 2024 study concluded that for the UK "from an energy system perspective, it is overall cost-optimal to design heat pumps with nominal COP in the range of 2.8–3.2, which typically has a specific cost lower than 650 £/kWth, and simultaneously to invest in increased capacities of renewable ...

4. List of House cast members - Wikipedia

   en.wikipedia.org/wiki/List_of_House_cast_members

   Below is a list of actors and actresses that are or were part of the cast of the American drama television series House. The show's main stars have included, at some point, Hugh Laurie , Lisa Edelstein , Robert Sean Leonard , Omar Epps , Jesse Spencer , Jennifer Morrison , Peter Jacobson , Olivia Wilde , Kal Penn , Amber Tamblyn , Odette ...

5. After Hell is Real, the furnace is about to get cranked up on ...

   www.aol.com/hell-real-furnace-cranked-columbus...

   Michael Arace, Columbus Dispatch May 13, 2024 at 10:43 AM Not to diminish Hell is Real, but after losing to Cincinnati 2-1 in the Hell is Real derby-darby in Columbus, the Crew will be truly ...

6. Ground source heat pump - Wikipedia

   en.wikipedia.org/wiki/Ground_source_heat_pump

   AFUE = furnace efficiency ≈ 95% for a modern condensing furnace COP = heat pump coefficient of performance ≈ 3.2 seasonally adjusted for northern US heat pump EI = emissions intensity of electricity ≈ 200–800 ton(CO 2 )/GWh, depending on the region's mix of electric power plants (Coal vs Natural Gas vs Nuclear, Hydro, Wind & Solar)

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