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  2. Micro combined heat and power - Wikipedia

    en.wikipedia.org/wiki/Micro_combined_heat_and_power

    4 Cost includes materials and labor costs to produce stack, plus any balance of plant necessary for stack operation. Cost defined at 50,000 unit/year production (250 MW in 5 kW modules). 5 Based on operating cycle to be released in 2010. 6 Time until >20% net power degradation.

  3. Viessmann - Wikipedia

    en.wikipedia.org/wiki/Viessmann

    Viessmann headquarters in Allendorf (Eder), Germany. The Viessmann Group is a German manufacturer of heating and refrigeration systems headquartered in Allendorf (Eder), Germany. With 22 production companies in 12 countries, distribution companies and representative offices in 74 countries and 120 sales offices throughout the world, Viessmann ...

  4. Condensing boiler - Wikipedia

    en.wikipedia.org/wiki/Condensing_boiler

    However, as of 2006, at UK prices the extra cost of installing a condensing instead of conventional boiler should be recovered in around two to five years through lower fuel use (for verification, see the following three documents published by the Building Research Establishment: Information Papers 10-88 and 19-94; General Information Leaflet ...

  5. Cost estimates come back for boiler, systems ... - AOL

    www.aol.com/cost-estimates-come-back-boiler...

    Nov. 21—The replacement of mechanical systems at three schools in the district is estimated to cost about $3.96 million, engineers with ISG Inc. presented to the Albert Lea school board Monday.

  6. 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.

  7. Home fuel cell - Wikipedia

    en.wikipedia.org/wiki/Home_fuel_cell

    However, these systems are not directly comparable because solar power is a renewable resource with basically no operating cost, while natural gas is neither. Operating costs for home fuel cells can be as low as 6.0¢ per kWh based on $1.20 per therm for natural gas, assuming full electrical and heat load utilization.

  8. Electric boiler - Wikipedia

    en.wikipedia.org/wiki/Electric_boiler

    In places where electric power is relatively low cost compared to fossil fuels, it may be economically practical to use an electric boiler for steam central heating. For example, in Winnipeg, Canada, during the Second World War, large central electric steam boilers were used for a district heating system, using surplus hydroelectric power. The ...

  9. Central heating - Wikipedia

    en.wikipedia.org/wiki/Central_heating

    Institutional heating systems (office buildings or schools, for example) can use low-grade, inexpensive bunker fuel to run their heating plants, but capital cost is high compared to more easily managed liquid fuels. Natural gas is a widespread heating fuel in North America and northern Europe. Gas burners are automatically controlled and ...

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