Boilers
![Boilers](https://storage.googleapis.com/sos-websvc/images/products/lennox-boiler.png)
If your home has hot water radiators in each room for heat, you have a boiler to heat the water. Like a furnace, the energy efficiency of a boiler is given as the Annual Fuel Utilization Efficiency (AFUE). Boilers manufactured since 1992 must have an AFUE of at least 80%. We offer a complete line of gas boilers starting at 80% AFUE and up.
Gas Boiler Product Offering
![GWM-IE](https://storage.googleapis.com/sos-websvc/uploads/core/images/Lennox/Lennox-GWM-IE-boiler.png)
High-efficiency, gas-modulating condensing water boilerView Brochure |
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Model Family: GWM-IE |
Annual Fuel Utilization Efficiency: Up to 95% AFUE |
Energy Star Rated: ENERGY STAR® Qualified |
Heat Exchanger Warranty: 15-Year Limited Warranty on heat exchanger |
Warranty: 10-Year Limited Warranty on covered components |
Manufacturer's Stated Benefits:
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![GWB9-IH](https://storage.googleapis.com/sos-websvc/uploads/core/images/Lennox/Lennox-GWB9-IH-boiler.png)
High-efficiency, gas-fired water boilerView Brochure |
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Model Family: GWB9-IH |
Annual Fuel Utilization Efficiency: Up to 90% AFUE |
Energy Star Rated: ENERGY STAR® Qualified |
Heat Exchanger Warranty: 15-Year Limited Warranty on heat exchanger |
Warranty: 10-Year Limited Warranty on covered components |
Manufacturer's Stated Benefits:
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![GWB8-IE](https://storage.googleapis.com/sos-websvc/uploads/core/images/Lennox/Lennox-GWB8-IE-boiler.png)
Standard-efficiency, gas-fired water boilerView Brochure |
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Model Family: GWB8-IE |
Annual Fuel Utilization Efficiency: Up to 84.4% AFUE |
Energy Star Rated: N/A |
Heat Exchanger Warranty: 20-Year Limited Warranty on heat exchanger |
Warranty: 5-Year Limited Warranty on covered components |
Manufacturer's Stated Benefits:
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![GWB8-E](https://storage.googleapis.com/sos-websvc/uploads/core/images/Lennox/Lennox-GWB8-E-boiler.png)
Standard-efficiency, gas-fired water boilerView Brochure |
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Model Family: GWB8-E |
Annual Fuel Utilization Efficiency: Up to 83.9% AFUE |
Energy Star Rated: N/A |
Heat Exchanger Warranty: 20-Year Limited Warranty on heat exchanger |
Warranty: 5-Year Limited Warranty on covered components |
Manufacturer's Stated Benefits:
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