What Is A Good Efficiency Rating For A Furnace

While some homeowners prefer to install a furnace with standard afue rating to save money on initial furnace replacement costs it s often a good idea to opt for higher energy efficient brands if your budget allows.

What is a good efficiency rating for a furnace.

A standard efficiency furnace provides 80 annual fuel utilization efficiency afue. It may also be called a seasonal energy efficiency rating. High efficiency furnaces offer 90 or more afue. This premier furnace boasts an efficiency rating of up to 99 that means it essentially converts every last bit of energy it uses into heating the home.

The price of a furnace generally rises in step with its fuel. This style of furnace requires you to relight the pilot if it goes out. The lowest efficiency allowed by law for new gas furnaces is 78 percent and some new models achieve 97 percent near total efficiency. Its top of the line models are as good as it gets.

The fleet efficiency or furnace rating of a particular furnace brand indicates nothing about furnace quality or furnace durability. In this type of furnace 20 of the energy produced by natural gas is expelled as exhaust. Unfortunately older systems may not have a rating or the information may have been removed. Most new furnaces display an annual fuel utilization efficiency afue rating which is a measure of fuel efficiency.

These days 95 afue is a common rating among new gas powered furnaces. Furnaces with higher afue ratings typically cost more but they can reduce the overall cost of heating your home. Lennox slp99v variable capacity gas furnace series. You can follow some guidelines to get a rough estimate of the efficiency rating for your furnace.

In addition although the fleet efficiency of one brand might exceed that of another this does not necessarily indicate that any particular model of furnace marketed under the first brand out performs. You can identify low efficiency furnaces by the use of a continuous pilot light. If you re looking for the most energy efficient furnace on the market we think trane is your best bet. A mid efficiency furnace will have an 80 to 85 afue rating while a high energy efficient unit can get up to 90 to 97 afue rating.

The total price of a new furnace depends on the brand efficiency and installation costs. Seer stands for seasonal energy efficiency ratio. Up to 97 3 afue energy star certified and state of the art modulating valves which increases efficiency even more. This is the ratio of the cooling output of an air conditioner over a typical cooling season divided by the energy it uses in watt hours.