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2. Annual fuel utilization efficiency - Wikipedia

   en.wikipedia.org/wiki/Annual_fuel_utilization...

   The annual fuel utilization efficiency (AFUE; pronounced 'A'-'Few' or 'A'-'F'-'U'-'E') is a thermal efficiency measure of space-heating furnaces and boilers.The AFUE differs from the true 'thermal efficiency' in that it is not a steady-state, peak measure of conversion efficiency, but instead attempts to represent the actual, season-long, average efficiency of that piece of equipment ...

3. Home fuel cell - Wikipedia

   en.wikipedia.org/wiki/Home_fuel_cell

   Additionally, a home fuel cell may be combined with a traditional furnace that produces only heat. For example, the German company Viessmann produces a home fuel cell with an electric power of 0. kW and a thermal power of 1 kW, integrated with a traditional 19 kW heat producing furnace, using the grid for electricity needs below and above the ...

4. Furnace (central heating) - Wikipedia

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

   By comparison, most modern "warm air" furnaces typically use a fan to circulate air to the rooms of house and pull cooler air back to the furnace for reheating; this is called forced-air heat. Because the fan easily overcomes the resistance of the ductwork, the arrangement of ducts can be far more flexible than the octopus of old.

5. Manitowoc Heating giving away free furnaces to those in need

   www.aol.com/manitowoc-heating-giving-away-free...

   Manitowoc Heating will review applications and work directly with the family or families selected to be sure the proper equipment is chosen. Submissions must be received by Manitowoc Heating by 4 ...

6. Thermal efficiency - Wikipedia

   en.wikipedia.org/wiki/Thermal_efficiency

   For energy-conversion heating devices their peak steady-state thermal efficiency is often stated, e.g., 'this furnace is 90% efficient', but a more detailed measure of seasonal energy effectiveness is the annual fuel use efficiency (AFUE).

7. The 10 Best Propane Grills for Outdoor Cooking, According to ...

   www.aol.com/news/10-best-propane-grills...

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