Best Two Stage Gas Furnace

Mid efficiency two stage furnaces costs about 2 500 to 4 000 including installation the furnace itself usually costs 1 500 to 2 000 while labor adds an additional 1 000 to 2 000 high efficiency models cost about 4 000 to 5 000 to buy and install.

Best two stage gas furnace.

The best high efficiency furnaces are the evolution 96 and infinity 96 2 stage furnaces. You could buy a two stage furnace with an ecm motor for over 15 years. These motors were not new. Gas furnaces are typically more efficient and offer lower fuel costs but are more expensive than oil furnaces up front.

Instead of being either open or closed the gas valve can also be partly open. All of these furnaces have variable speed blowers for maximum indoor comfort in all seasons. This cost effective gas furnace from lennox has an afue rating of 80 percent. Generally two stage furnaces cost about 500 more than comparable single stage models.

These furnaces have a two stage gas valve and a variable speed blower motor. Best bryant and carrier furnaces. Two stage furnaces also known as dual stage furnaces can run at two different settings. By far though most two stage furnaces were sold with the older less efficient motors.

This is a type of fan that can change the speed at which it blows air over the burner. If it s only 40 or 50 degrees out then a two stage furnace will run in the partially open position and only use about 60 of the energy of it s single stage counterparts. The lowest efficiency allowed by law for new gas furnaces is 78 percent and some new models achieve 97 percent. The natural gas furnace has an afue rating of 93 percent and uses two heat exchangers.

One of amana s best furnaces is the amvm97 a modulating two stage furnace that runs at up to 98 percent afue. The furnace has a single heat exchanger and a robust blower assembly. But more importantly remember this changed in 2019. Single stage heating uses a fixed gas valve and a one speed motor to provide a single heat setting.

Two stage heating on the other hand uses a two stage gas valve and a variable speed. The unit is dual fuel capable and can pair with a heat pump to run using electricity. A gas furnace made in the early 1970s typically has an afue of about 65 percent. And manufacturers and contractors have been pushing the save you money claim for over 20 years.

Two stage furnaces are much more efficient but probably unnecessary in areas with mild winters. Your two stage furnace saves gas because it doesn t dump as much fuel into the heat exchanger when it s only moderately cold outside. Like two stage furnaces this helps to increase efficiency on cool but not freezing days. The blower fan can adjust its speed to meet your heating needs efficiency.