A furnace works by heating air inside a chamber then distributing warm air throughout the house though the air duct system. Cooler air is then returned to the furnace to complete the cycle.
Two-Stage Furnaces
Traditionally, gas furnaces simply turned on and off, running a single fan speed to distribute heat. Later, as technology improved two-stage furnaces were develoed to allow the furnace to operate at high speed when demand was greatest, and lower speeds when less heat was required. This improved comfort and saved energy.
Three-Stage and Fully Modulating Gas Furnace Technology
Today, furnaces can deliver heat with an additional third fan stage or even fully variable speed, providing greater comfort and improved efficiency.
Instead of stop-and-go heating of yesterday, today's furnaces are able to finesse the exact amount of heat needed to keep your home at the perfect temperature while operating quieter and using the lowest amount of fuel.
ABC Plumbing, Sewer, Heating, Cooling and Electric offers a full line of home heating systems, including state-of-the-art, energy efficient Carrier gas furnaces. Have questions about your next furnace? Call ABC, we would be happy to help.
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