Boilers

Gas-Fired Steam Boilers

Products   Energy Efficiency (AFUE) Price
Guide*
GSB8-E Boiler   up to 82.7  $
Solid value and superb heating 

Gas-Fired Water Boilers

ESTAR ICON ENERGY STAR® Product   Energy Efficiency (AFUE) Price
Guide*
ESTAR ICON GWM-IE Boiler   up to 95  $$$
Design that’s highly innovative and efficient 
ESTAR ICON GWB9-IH Boiler   up to 90  $$$
Engineered for lasting comfort and energy savings 
GWB8-IE Boiler   up to 84.4  $$
A reliable way to stay warm and save energy 
GWB8-E Boiler   up to 83.9  $
Reliable heating performance season after season 

Oil-Fired Water Boilers

Products   Energy Efficiency (AFUE) Price
Guide*
COWB3 Boiler   up to 85.2  $$
Efficient, quiet warmth you can count on