o XT95
o 95% AFUE or more
High efficiency blower motor
Single-stage heating
o XR95
o 95% AFUE
Four-speed blower motor
Single-stage heating
o XB90
o 90% AFUE or more
Four-speed blower motor
Single-stage heating
o XC80
o Up to 80% AFUE
Communicating capability
Two-stage heating
o XV80
o 80% AFUE
Variable-speed blower motor
Two-stage heating
o XL80
o 80% AFUE
Four-speed blower motor
Two-stage heating
o XT80
o 80% AFUE
High efficiency blower motor
Single-stage heating
o XR80
o 80 percent AFUE
Four-speed blower motor
Single-stage heating
o XB80
o 80 percent efficient furnace with AFUE
Four-speed blower motor
Single-stage heating furnace
o S9V2
o Up to 96.0% AFUE
Variable-speed operation
Re-designed, smaller cabinet
o XC95m
o Up to 97.3% AFUE
Communicating capability
Fully modulating heating
o XL95
o Up to 96% AFUE
Four-speed blower motor
Two-stage heating