variable-speed furnace

December 24, 2013

The Variable-Speed Furnace: Are You up to Speed on Its Many Benefits?

Innovation usually comes at financial cost, so we end up having to conduct a balancing act. Sure, the product performs better, but are the extra costs justified? Here in Georgia, our July high is around 90 degrees, while the January low regularly hits freezing. Anything that can bring our HVAC costs down is surely worth considering, which includes a variable-speed furnace. Now’s a good time to get up to speed on its many benefits. Defining Variable Speed The air mover, or […]
December 29, 2015

Understanding the Basics of a Variable-Speed Furnace

A variable-speed furnace offers more comfort, increased energy savings and greater longevity than a single-stage heating system. The term “variable speed” refers to the motor inside the air handler that powers the fan. These types of motors embed the most advanced motor technology available in residential HVAC systems. Variable-speed motors are actually electronically-commutated motors (ECMs), and use electricity differently than the more common permanent split capacitor (PSC) motor used in HVAC systems. ECMs use inverters to change the power from […]