The rule will effectively ban the sale of non-condensing gas furnaces and, according to the American Gas Association (AGA), will affect 55% of U.S. households.

It is Energy Star rated and offers a two-stage gas valve that switches between high- and low-fire settings for added comfort and up to 96 percent AFUE heating efficiency.

This Energy Star-rated furnace offers a two-stage gas valve that switches between high- and low-fire settings for added comfort and up to 96 percent AFUE heating efficiency, lowering homeowners’ energy bills.

Condensing furnaces offer many consumers the benefit of higher efficiency and thus lower energy bills, but for many homeowners, comfort is the primary reason they choose to purchase such equipment.

In this troubleshooting situation, the equipment that needs servicing is a condensing gas furnace in a relatively small home of approximately 1,200 square feet. The capacity of the unit is 40,000 Btu and it is equipped with an LED readout system.

According to HVAC manufacturers, customers are looking for highly efficient furnaces that shave dollars off their utility bills while providing the best possible levels of comfort. As a result, most furnaces displayed at the AHR Expo were designed to meet these market demands.