Gas Furnaces

Model AFUE
SLP98V Variable-Capacity Gas Furnace
The quietest and most efficient furnace you can buy*!
up to 98.7 
SL280V Variable Speed Gas Furnace
The quietest furnace in its class*
80 
EL296V High-Efficiency, Two-Stage Gas Furnace
High-efficiency, variable-speed gas furnace
96 
EL296E High-Efficiency, Two-Stage Gas Furnace
Two-stage furnace with Power Saver technology
96 
EL280 Two-Stage Gas Furnace
Consistent temperatures with two-stage heating
80 
EL195E Gas Furnace
Single-stage furnace with Power Saver technology
95 
EL180E Gas Furnace
Efficient gas furnace featuring Power Saver technology
80 
ML195 Gas Furnace
High-efficiency gas furnace
95 
ML193 Gas Furnace
Economical, high-efficiency gas furnace
93 
ML180 Gas Furnace
Economical, standard-efficiency gas furnace
80 

Oil Furnaces

Model AFUE
SLO185V Oil Furnace
Variable-speed oil furnace
85 
ELO183 Oil Furnaces
Quiet and efficient oil furnace
83