Boilers
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 and oil boilers starting at 80% AFUE and up.
Lochinvar Residential Boilers

Knight® Fire Tube BoilerView Brochure |
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| Model Family: KHB |
| Annual Fuel Utilization Efficiency: 95% AFUE |
| Energy Star Certified: ENERGY STAR Most Efficient Product |
| Heat Exchanger Warranty: 15-Year Limited Warranty |
| Warranty: 5-Year Limited Parts Warranty |
Manufacturer's Stated Benefits:
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Knight Fire Tube High Efficiency Condensing BoilerView Brochure |
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| Model Family: NKB |
| Annual Fuel Utilization Efficiency: 95% AFUE |
| Energy Star Certified: Energy Star |
| Heat Exchanger Warranty: 15 year warranty |
| Warranty: 5 year parts warranty |
Manufacturer's Stated Benefits:
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NOBLE Fire Tube Combi BoilerView Brochure |
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| Model Family: NKC |
| Annual Fuel Utilization Efficiency: 95% AFUE Efficiency |
| Energy Star Certified: ENERGY STAR® |
| Heat Exchanger Warranty: 10 year warranty |
| Warranty: 5 year parts warranty |
Manufacturer's Stated Benefits:
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Solution™ Heating BoilerView Brochure |
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| Model Family: CBN |
| Annual Fuel Utilization Efficiency: Up to 84% AFUE |
| Energy Star Certified: N/A |
| Heat Exchanger Warranty: 20 Year Limited Warranty on the Heat Exchanger |
| Warranty: 2 Year Parts Warranty |
Manufacturer's Stated Benefits:
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