R&D Indoor Comfort HVAC Products: Boilers
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Boilers

Gas-Fired Steam Boilers

Products
AFUE : up to 82.7     
Standard efficiency, gas-fired steam boiler

Gas-Fired Water Boilers

ESTAR ICON ENERGY STAR® Product
ESTAR ICON GCWB95 Boiler    
AFUE : up to 95     
Price Guide  : $$$
High efficiency, modulating gas-fired condensing combination water boiler
ESTAR ICON GWM-IE Boiler    
AFUE : 95     
Price Guide  : $$$
High efficiency, modulating gas-fired condensing water boiler
AFUE : 90     
Price Guide  : $$$
High efficiency, gas-fired condensing water boiler
AFUE : up to 84.4     
Price Guide  : $$
Standard efficiency, gas-fired water boiler, with chimney or side wall venting
AFUE : 84     
Standard efficiency, gas-fired water boiler with chimney venting

Oil-Fired Water Boilers

Products
OWB86 Boiler    
AFUE : 86     
Price Guide  : $$
Standard efficiency, oil-fired water boiler