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

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

   The AGA claims that currently, because most electricity is generated from fossil fuels such as coal and natural gas, the lower efficiency of electric furnaces actually means they have a larger ...

3. 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 ...

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. 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 ...

6. Heating system - Wikipedia

   en.wikipedia.org/wiki/Heating_system

   The efficiency of a heating system is typically measured by its AFUE (Annual Fuel Utilization Efficiency) rating. Higher AFUE ratings indicate a more efficient furnace. [ 5 ] Environmental impacts are a concern with heating systems, especially those that burn fossil fuels.

7. 8 Most Effective Ways To Use Your 2024 Tax Refund To ... - AOL

   www.aol.com/finance/8-most-effective-ways-2024...

   Here are eight of the most effective ways to improve your home efficiency, all of them potentially available for a federal tax credit, if you meet U.S. Department of Energy eligibility requirements.