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  2. Condensing boiler - Wikipedia

    en.wikipedia.org/wiki/Condensing_boiler

    Condensing boilers are water heaters typically used for heating systems that are fueled by gas or oil. When operated in the correct circumstances, a heating system can achieve high efficiency (greater than 90% on the higher heating value) by condensing water vapour found in the exhaust gases in a heat exchanger to preheat the circulating water.

  3. Central heating - Wikipedia

    en.wikipedia.org/wiki/Central_heating

    A district heating system uses centrally located boilers or water heaters and circulates heat energy to individual customers by circulating hot water or steam. This has the advantage of a central highly efficient energy converter that can use the best available pollution controls, and that is professionally operated.

  4. 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 ...

  5. The Best Double Boilers (And How To Make A DIY One) - AOL

    www.aol.com/news/best-double-boilers-diy-one...

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  6. Tankless water heating - Wikipedia

    en.wikipedia.org/wiki/Tankless_water_heating

    A high-efficiency condensing combination boiler provides both space heating and water heating, and is an increasingly popular choice in UK houses, accounting for over half of all new domestic boilers installed. [7]

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

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

    Under the policy, new non-condensing, natural gas-fired water heaters will be prohibited for sale starting in 2029 due to concerns about carbon-dioxide emissions.

  8. List of boiler types by manufacturer - Wikipedia

    en.wikipedia.org/wiki/List_of_boiler_types_by...

    Vanderbilt boiler An American design, similar to the Lentz and large launch-type boilers. [36] Velox boiler: [61] vertical boiler: flued or fire-tube designs where the main shell is a cylinder on a vertical axis, rather than horizontal. Boilers of this external form may have a great variety of internal arrangements.

  9. AERCO International - Wikipedia

    en.wikipedia.org/wiki/AERCO_International

    AERCO International, Inc. is a manufacturer and supplier of commercial condensing boilers, high efficiency water heating equipment and energy recovery systems in the HVAC/plumbing industry across a variety of markets including education, lodging, government, office buildings, healthcare, industrial and multifamily housing. In 1949, AERCO ...

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