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2. American Recovery and Reinvestment Act of 2009 - Wikipedia

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

   $3.2 billion toward Energy Efficiency and Conservation Block Grants. [60] $3.1 billion for the State Energy Program to help states invest in energy efficiency and renewable energy; $2 billion for manufacturing of advanced car battery (traction) systems and components. $800 million for biofuel research, development, and demonstration projects.

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. 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 ...

5. Environmental policy of the Joe Biden administration - Wikipedia

   en.wikipedia.org/wiki/Environmental_policy_of...

   Measures include $9 billion in home energy rebate programs that focus on improving access to energy efficient technologies, and 10 years of consumer tax credits for the use of heat pumps, rooftop solar, and high-efficiency electric heating, ventilation, air conditioning and water heating.

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. 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). [10]

8. AOL - Finance News & Latest Business Headlines - AOL.com

   www.aol.com/real-estate

   Get breaking Finance news and the latest business articles from AOL. From stock market news to jobs and real estate, it can all be found here.

9. Central heating - Wikipedia

   en.wikipedia.org/wiki/Central_heating

   65–97% for gas-fired heating; 80–89% for oil-fired and; 45–60% for coal-fired heating. [26] Oil storage tanks, especially underground storage tanks, can also impact the environment. Even if a building's heating system was converted from oil long ago, oil may still be impacting the environment by contaminating soil and groundwater.