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Understanding furnace energy efficiency (AFUE)

A central furnace or boiler’s efficiency is measured by annual fuel utilization efficiency (AFUE). The Federal Trade Commission requires new furnaces or boilers to display their AFUE so consumers can compare heating efficiencies of various models. AFUE is a measure of how efficient the appliance is in converting the energy in its fuel to heat over the course of a typical year.

Specifically, AFUE is the ratio of annual heat output of the furnace or boiler compared to the total annual fossil fuel energy consumed by a furnace or boiler. An AFUE of 90% means that 90% of the energy in the fuel becomes heat for the home and the other 10% escapes up the chimney and elsewhere. AFUE doesn’t include the heat losses of the duct system or piping, which can be as much as 35% of the energy for output of the furnace when ducts are located in the attic, garage, or other partially conditioned or unconditioned space.

An all-electric furnace or boiler has no flue loss through a chimney. The AFUE rating for an all-electric furnace or boiler is between 95% and 100%. The lower values are for units installed outdoors because they have greater jacket heat loss. However, despite their high efficiency, the higher cost of electricity in most parts of the country makes all-electric furnaces or boilers an uneconomic choice. If you are interested in electric heating, consider installing a heat pump system.

By |February 10th, 2016|Uncategorized|Comments Off on Understanding furnace energy efficiency (AFUE)

Is your home too dry or too humid?

A quality humidifier installed with your heating and cooling system will maintain optimal levels of humidity in your home to keep everyone healthy and comfortable! When your furnace is running regularly and the windows stay closed in the cold winter season, humidity tends to get sucked out of the air causing uncomfortable and sometimes unhealthy conditions in your home. A humidifier will ensure the levels of humidity stay at an optimal level to provide the most comfort for you and your family!

The Aprilaire Model 700 provides efficient humidification performance for homes up to 4,200 square feet.
This humidifier has an evaporation capacity of 0.75 gallons per hour – high capacity comparable to others on the market
Delivers optimum levels of humidity control with the Automatic Digital Humidifier Control
Performs quietly with simple annual maintenance.

Right now we are running a special: get this humidifier installed in your home for only $445!
Special Gift Coupon

By |January 10th, 2016|Uncategorized|Comments Off on Is your home too dry or too humid?