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Tag Archives: condensing furnace

October 7, 2015

What Makes a High Efficiency HVAC System?

A high efficiency furnace is determined by its Annual Fuel Utilization Efficiency (AFUE). This is a ratio between the amount of heat energy produced compared to the amount of natural gas consumed. The higher the number, the more efficient the furnace is. Conventional furnaces are not capable of an AFUE reading above 90%, but the […]

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