Gas Furnace Efficiency

The lowest efficiency allowed by law for new gas furnaces is 78 percent and some new models achieve 97 percent near total efficiency.

Gas furnace efficiency.

Modulating gas heat and variable speed blower provide precise comfort quiet operating sounds and high energy savings. These high efficiency units excel at generating warmth throughout your home while generating low energy bills through those long winter months. Weatherized gas furnaces must be 81 percent efficient. With a bryant legacy line gas furnace you can rely on excellent dependable comfort year round.

Legacy line fixed speed 90 efficiency gas furnace. Weatherized oil furnaces must be 78 percent efficient. Lennox gas and oil furnaces are engineered to deliver perfect warmth efficiency and energy savings. Non weatherized oil furnaces must be 83 percent efficient.

If you have a furnace that is at least 10 years old it probably has an afue somewhere between 60 and 70 meaning up to 40 cents of every dollar you pay for fuel is wasted. These furnaces feature insulated cabinets for quieter operation. Trane 95 and 90 gas furnaces deliver at least 90 efficiency far exceeding the government minimum standard of 80 afue for new furnaces. The r98v s value comes from a modulating design and a variable speed blower.

Fully communicating controls offer advanced diagnostics to exchange system information and to ensure optimal performance and efficiency. If efficiency is a hot button for you but budget is your primary concern consider our comfort 90 afue gas furnaces. As of january 2015 these requirements are pending. Non weatherized mobile home furnaces must be 80 percent efficient.

Almost all of the best high efficiency gas furnaces below have the added benefit of being listed on the energystar highest efficiency gas furnaces of 2020 selection. Going into the new year many of these same furnaces were the best furnace in 2019 as well so plan ahead and get the right furnace with a long life ahead. The price of a furnace generally rises in step with its fuel. Delivering precise comfort and temperature control lennox furnaces can keep your home to within 0 5 degrees of your ideal temperature.

Upgrading your furnace or boiler from 56 to 90 efficiency in an average cold climate house will save 1 5 tons of carbon dioxide emissions each year if you heat with gas or 2 5 tons if you heat with oil. The prestige series r98v rheem s most efficient gas furnace has an afue rating of up to 98 7 percent making it the most efficient model we came across during our research.