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2. Biden administration updates furnace efficiency standards for ...

   www.aol.com/lifestyle/biden-administration...

   The Energy Department issued its final efficiency rules for residential furnaces on Friday, which it projects will save Americans over $1.5 billion in heating expenses per year. The updated ...

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. 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. New efficiency standards for home furnaces unveiled [Video] - AOL

   www.aol.com/news/biden-administration-unveils...

   DOE estimates that this efficiency improvement, and the resulting lower gas bills, would save consumers $1.9 billion annually — or $500 over the lifetime of each new furnace.

6. 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%.

7. Dos and Don’ts of Shopping at Home Depot: 10 Money ... - AOL

   www.aol.com/finance/dos-don-ts-shopping-home...

   Whether you're in the market for Christmas decorations and lights, home improvement items, tools or even household goods, Home Depot is the first stop on the list for many shoppers. You never know...