Gas Furnace Energy Efficiency

Is a gas furnace or gas fireplace more efficient.

Gas furnace energy efficiency.

When it gets cold many people wonder if it is more fuel efficient to turn on their gas furnace or huddle around a gas fireplace. Afue measures the amount of fuel entering a furnace that is converted to heat vs. Some products are made to be more efficient by drawing heat from the moisture byproduct. About 40 of the energy delivered to the residential sector is attributed to space heating and natural gas and propane fired furnaces account for almost half of that making them a large target for potential energy efficiency gains.

78 percent afue low efficiency furnace. The amount of fuel lost. Kartik sameer madiraju in global sustainable communities handbook 2014. All new furnaces available today are high efficiency with an annual fuel utilization efficiency afue rating of 90 to 98.

The dave lennox signature slp98v gas furnace features efficiencies up to 98 7 afue. Photo courtesy of angie s list member cynthia m. They all operate at above a 95 afue and when properly installed and promise the most value for you home heating budget. Modulating gas heat and variable speed blower provide precise comfort quiet operating sounds and high energy savings.

Average natural gas prices it costs just 12 10 for the same. Furnace energy efficiency ratings tell you how well your gas or electric furnace uses energy. American standard platinum 95 gas furnace. Yet the minimum efficiency level of gas furnaces has changed little over the past 20 years.

1 2015 this was the minimum afue allowed for new furnaces. A furnace that is 95 afue uses 95 of the gas it burns losing the 5 left over with combustion gases. A department of energy doe standard that would have updated minimum. Federal energy efficiency regulations.

Furnace energy efficiency is measured by afue. Fully communicating controls offer advanced diagnostics to exchange system information and to ensure optimal performance and efficiency. 60 000 110 000 btu. Up to 97 3 afue.

These are energy star certified furnaces with 90 to 98 percent afue ratings. This group includes furnaces with 80 percent up to 83 percent afue ratings. If you are unfamiliar with this afue is similar to gas mileage for cars. While it costs around 14 02 to generate 1 million btu from furnace in the united states with an 82 percent efficiency based on u s.

Unfortunately there is no simple answer to this question but there are a few things to understand when you re wondering which way to get warm.