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Thursday, October 1, 2009

Complete List of Energy Definitions

AFUE
It measures the amount of heat actually delivered to your house compared to the amount of fuel that you supply to the furnace. Thus, a furnace that has an 80% AFUE rating converts 80% of the fuel that you supply to heat - the other 20% is lost out of the chimney.

Heat Pump
Depending on the climate you live in a heat pump may be ideal for your family. Heat pumps work similar to a conventional air conditioner with one big exception; they also provide heat in the winter. You can save 30 to 60% on energy usage during the winter months by switching to a heat pump.

HSPF Heating Seasonal Performance Factor
is a measure of the average number of Btu’s of heat delivered for every Watt-hour of electricity used by the heat pump over the heating season. As ratings increase, so does unit efficiency.

SEER Seasonal Energy Efficiency Rating
Measures cooling performance on air conditioners, heat pumps and gas/electric package products.
As ratings increase, so does unit efficiency.

R410a
The refrigerant used in any residential air conditioning or heat pump system is central to its performance. The refrigerant is the substance that helps the indoor comfort system remove heat from your homes indoor air and transfer that heat or cold to the outside. This transfer is what makes air conditioning possible. R-410A is incompatible with R-22 refrigerant. R-410A is used at much higher operating pressures than R-22. Carrier Corporation was the first company to introduce a R-410A-based residential air conditioning unit in the marketplace in 1996.

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