Gas Furnaces

One of the first things to consider when purchasing a gas
furnace is its efficiency. This is indicated by the Annual Fuel
Utilization Efficiency rating or AFUE. We offer highly efficient
gas furnaces with 80% efficiency. We also offer variable
speed and two-stage furnaces, which can greatly increase
your comfort level. Take a look at our heating family below
and find the furnace that best fits your needs.

XV Two-Stage Variable Speed
Gas Furnaces






XV80 - 80% Annual Fuel Utilization   
Efficiency (AFUE)
Manufacturer’s Limited Warranty - 20-
Year heat exchanger
Manufacturer’s Limited Warranty - 5-
Year internal parts

XL Two-Stage Gas Furnaces






XL80 - 80% Annual Fuel Utilization
Efficiency (AFUE)
Manufacturer’s Limited Warranty - 20-
Year Heat Exchanger
Manufacturer’s Limited Warranty - 5-
Year Internal Parts

XR Single-Stage Gas Furnaces






XR80 - 80% Annual Fuel Utilization
Efficiency (AFUE)
Manufacturer’s Limited Warranty - 20-
Year Heat Exchanger
Manufacturer’s Limited Warranty - 5-
Year Internal Parts

Work Environmental Systems Inc.