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Gas furnaces are one of the most important home appliances in the houses of people living in cold regions. These devices are used for providing heating solutions in a home to keep the house interior warm. A majority of furnaces manufactured today, use natural gas or LPG for running. Since they work on gas, calculating energy efficiency becomes necessary to save energy.
The efficiency levels are measured in Annual Fuel Utilization Efficiency (AFUE) percentage. The AFUE rate is associated with the amount of fuel used and the heat generated. Government authorities have even set a minimum limit of 78% on the efficiency of gas furnaces. More the AFUE percentage, more efficient is the furnace.
Best Energy Efficient Gas Furnaces
Weil-McLain is a brand renowned for providing climate control applications for household and industrial use. The WMABA040NI2R gas furnace is appropriate for all kinds of heating requirements in up-flow, down-flow, or horizontal flow setups. It is rated with an AFUE percentage of 80.2 which is obviously higher than the set norms. It consists of a self-diagnosing control system for finding out problems. The brand is offering a 5-year warranty on parts.
Lennox SLP98V Variable-Capacity Gas Furnace
Lennox furnaces are also one of the most durable and reputed in the market. The SLP98V model is one of the premium models from the Dave Lennox Signature Collection of the brand. An exceptional 98.2% AFUE percentage can save substantial amounts of costs, estimated to around $800 per year. Its SilentComfort technology is what gives it a smooth and quite operation. With the Precise Comfort feature, it is able to automatically set the heat and airflow capacity to an appropriate level.
American Standard Freedom 95 Comfort-R Series
Be it air conditioning or heating, American Standard is a notable player in the market. The Freedom 95 Comfort-R series, also known as the Platinum ZV, has received many positive reviews from users. All of its models have an AFUE percentage rating of 95. Their variable-speed fan motors are quite effective in equally distributing heated air to all corners of a room. On the contrary, the Comfort-R feature reduces humidity in a house, thus keeping the interior cool in hotter months.
Carrier Infinity 96 Gas Furnace
Carrier has been a respectable entity in the industry of electronics for many years now. The Infinity 96 Gas Furnace is believed to be one of the top-selling models from this manufacturer. With an AFUE rating of 96.6%, it is considered one of the most efficient models available in the market. The QuieTech noise reduction system aids in quite functioning of the heating machine. The company has a 10-year limited warranty on the parts of the Infinity 96.
Trane XV95 Series
This series from Trane is also one of the best that you can go for. They have 96.7% AFUE ratings and are Energy Star certified, which takes them way above minimum US energy efficiency standards. The Trane XV95 series is believed to be one of the most durable products, owing to the built quality of materials used. The Comfort-R mode contributes to reducing humidity in interiors.
Rheem Prestige Series 90 Plus
Models from the Rheem Prestige Series are considered to be the most advanced gas furnaces at present. The Comfort Control2 System automatically notifies the user if the product needs servicing or if there is a technical problem. Along with the functions, it also has a smaller body as compared to other models in its class, which makes it easy for installation, maintenance, and saving room space. Coming to the sturdiness of the product, rugged steel frames are used in its construction.
Fuel efficient gas furnaces like these certainly cut down energy costs for keeping the house interior warm. Experts suggest to opt for models which have an AFUE percentage more than 90. However, considering the price of the machine and the level of use, you can even go for models which have lower AFUE ratings than 90% but are above 78%. Note that energy and cost saving further depend on the kind of use and maintenance. Proper use of these appliances does add up to the AFUE percentage. In order to know about the exact price, it is suggested to visit the local dealer of electronic home appliances.