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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. 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 ...

4. Forced-air gas - Wikipedia

   en.wikipedia.org/wiki/Forced-air_gas

   High-efficiency condensing furnaces condense the water vapor (one of the by-products of gas combustion) and extract the latent heat to pre-heat the incoming furnace airflow, using a second heat exchanger. [2] This increases the efficiency (energy delivered into the building vs. heating value of gas purchased) to over 90%.

5. 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.

6. American Recovery and Reinvestment Act of 2009 - Wikipedia

   en.wikipedia.org/wiki/American_Recovery_and...

   House – $4.3 billion to provide an expanded credit to homeowners who make their homes more energy-efficient in 2009 and 2010. Homeowners could recoup 30 percent of the cost up to $1,500 of numerous projects, such as installing energy-efficient windows, doors, furnaces and air conditioners. Senate – Same. Conference – Same. Unemployment

7. Mortgage and refinance rates for Nov. 8, 2024: Average 30 ...

   www.aol.com/finance/mortgage-and-refinance-rates...

   The current average rate for a 30-year fixed mortgage is 6.92% for purchase and 6.93% for refinance, up 2 basis points from 6.90% for purchase and 2 basis points 6.91% for refinance last Friday.

8. 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).

9. Mortgage and refinance rates for Nov. 22, 2024: Average rates ...

   www.aol.com/finance/mortgage-and-refinance-rates...

   Average mortgage rates tick higher as of Friday, November 22, 2024, rounding out a week of moderate but steady increases across popular terms, with the benchmark 30-year fixed rate approaching 7.00%.