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As long as we are warm in the winter and our utility bills are not outrageous, most homeowners take their gas furnace for granted but here are a few questions to consider.
How does your gas furnace work?
What are the efficiency standards of your current furnace?
Are you getting the most that you can out of your current heating system?
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| The following will provide valuable facts about how the average gas furnace works that will also answer your heating questions above. If you have further questions or we can assist you in any way, please contact Benchmark Air Conditioning & Heating at 972-377-9724. For your convenience, you may also request services from this site. |
A furnace works to keep a home warm in the winter and plays a critical part in the operation of an air conditioning system.
Furnaces produce heat through the combustion of natural gas in the furnaces burner. The heat produced from this process then passes through a heat exchanger. Air from your homes return air ducts is blown over the heat exchanger, thus warming the air. The furnace blower then blows the warmed air into the ductwork, which carries and disperses the warmed air throughout the home.
During warmer months, the blower inside a furnace continues to circulate return air throughout the home - only this time, the return air has been cooled by being blown over the indoor coil portion of the homes split-system air conditioning system. The condensing coil is typically installed on top of the furnace.
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Indoor warmth any time it is required.
Energy Efficiency -The efficiency of a furnace can be determined by its AFUE, or Annual Fuel Utilization Efficiency.
The minimum efficiency level for furnaces currently manufactured in the U.S. is 80% AFUE. A rating of "80% AFUE" means that for every dollar you spend heating your home; 80 cents are actually applied to the generation of warmth. Compared to many of the 60% AFUE furnaces in older homes, 80% AFUE furnaces are a significant improvement. However, for enhanced energy efficiency, you may wish to consider a 95+% AFUE furnace. |
As your HVAC system draws air out of various rooms in the house through return air ducts, the air is pulled through an air filter, which removes airborne particles such as dust and lint. Sophisticated filters may remove microscopic pollutants, as well. The filtered air is then routed to air supply ductwork that carries it back to rooms. Whenever the HVAC system is running, this cycle repeats continually, constantly filtering and cleaning the air in your home.
This cleaning process improves with the installation of a variable-speed furnace. Variable-speed furnaces use variable-speed blowers, which shift between several speeds. These furnaces will run longer at a low speed, which causes them to filter the indoor air more frequently.
In addition, because the furnace plays an important role in the operation of the air conditioner, its variable-speed blower helps maintain both a consistent indoor temperature and improved air quality year-round. |
American Recovery and Reinvestment Act of 2009.
The ARRA is an act that was passed in 2009 that ensures homeowners who make certain energy efficient upgrades to their homes in tax years 2009 and 2010 can also enjoy significant savings in the form of new federal income tax credits. Homeowners can now claim tax credits up to a total of $1,500.
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| If you have any questions or would like to schedule a consultation with one of our comfort experts, please feel free to contact Benchmark Air Conditioning & Heating at 972-377-9724 or you may also request services from this site. |
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Thank you for your interest in Benchmark Air Conditioning & Heating, we look forward to serving you soon! |
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