You can still get one.
80 percent efficient furnace.
The comfort 80 gas furnace 58sta from carrier offers dependable operation in a budget saving model with a 20 year heat exchanger limited warranty.
In a standard efficiency 80 percent furnace 20 percent of the heat energy contained in the natural gas is exhausted up the furnace vent.
Common furnace efficiencies select here electric ignition 80 modern side wall vent 92 multi stage 97 tax credit or utility rebate.
A standard 80 percent afue furnace uses a conventional single speed on off blower to heat your home.
1 500 to 2 500 installed no a c afue.
Their annual fuel utilization efficiency afue measurement is 80 because 80 of the heat they produce is used to heat your home.
How much is a furnace.
High efficiency furnaces offer 90 or more afue.
A condensing furnace with an afue of 90 or above incorporates a secondary heat exchanger to recover that lost heat.
In a standard efficiency 80 furnace 20 of the heat contained in the natural gas is exhausted up the furnace vent.
In this type of furnace 20 of the energy produced by natural gas is expelled as exhaust.
The comfort 80 gas furnace 58sta from carrier offers dependable operation in a budget saving model with a 20 year heat exchanger limited warranty.
But besides the level of efficiency another key difference between the 80 afue and 95 afue furnaces is that they operate a little differently.
Into a masonry or metal chimney existing chimney might require upgrading.
That means a 95 afue furnace will cost less to run than an 80 afue furnace.
A condensing furnace with an afue of 90 percent or above.
80 to 89 percent.
Combustion gases are diverted into a condensing phase and heat released as the gases condense to water is extracted by the secondary.
15 to 20 percent of current heating costs when replacing a 65 percent efficient unit.
A standard efficiency furnace provides 80 annual fuel utilization efficiency afue.
This abrupt on off process often creates noticeable temperature fluctuations throughout the home.
These have an afue between 90 and 97.
The rest is discharged as exhaust.
Nowadays you can also get a high efficiency furnace.
Humphrey heating and air will help you fill out the paperwork for this rebate when we install one of these furnaces for you.
So a 95 furnace is more efficient than an 80 furnace.
These days 95 afue is a common rating among new gas powered furnaces.
In the old days nearly everyone had a standard efficiency furnace.
The higher the afue percentage the more efficient a furnace is at converting gas into heating energy.
Efficiency of proposed new furnace.
Up to 80 0.
Average furnace cost for high efficiency furnace.