· Energy efficiency in boilers and furnaces is measured the same way by annual fuel utilization efficiency (AFUE) A unit that has an AFUE of say 70 converts 70% of its fuel to heat The other 30% is lost The federal government dictates that gas- and oil-powered furnaces cant have an AFUE rating of lower than 78% High-efficiency furnace models must have AFUE ratings of 85% or
· do have higher up-front costs so if the wont run very often you wont as much However buying a used will dramatically increase your If youre currently running an old it will almost always be a smart decision to upgrade If you need guidance knowing which specific would be best for your individual
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Compare STAR Certified find rebates and learn more Compare STAR Certified find rebates and learn more (AFUE) less than 87 (0) 87 AFUE 90 (178) 90 AFUE 92 (58) Looking for more information about how to with STAR products?
Energy efficiency upgrades and a new high-efficiency heating system can often cut your fuel bills and your furnace's pollution output in half Upgrading your furnace or boiler from 56% to 90% efficiency in an average cold-climate house will save if you heat with gas or if you heat with oil
· gas equipped with a stainless steel or aluminum heat exchanger have ratings of over 90% Its heat exchangers are more durable than others Most of the use a direct vent to push out the air These have excellent