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Residential Boiler Systems - Repair, Service & Installation

We service all home boiler systems with all available components and accessories.

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Lochnivar Knight High Efficiency Boilers

  Lochnivar Knight Boiler
  • Smart Systems Control With All New, Advanced User Features
  • 5 Floor-Standing and 5 Wall-Mount Models From 50,000 to 285,000 BTU/HR
  • Firing Rate Modulation To 5:1
  • Less Than20 ppm NOx
  • Direct Vent Flexibility To 100 Feet
  • Up to 98% Efficiency n Low Temp Applications

View product literature.

  Lochinvar Knight Boiler Installation By Betlem Residential In 2012

Lochnivar Solution Boilers

  • 84.2% A.F.U.E. Efficiency
  • 45,000 - 260,000 Btu/Hr
  • Heavy Duty, Gasketless Heat Exchanger
  • Lo/Hi/Lo Temperature Control
  • Built-in Performance Loop
  • Terminal Strip
  • Service Net Extended Service Agreement Available

View product literature.


Lennox Boilers

  Lennox GWB8-E Water Boiler

GWB8-E Gas-Fired Water Boiler

Standard-efficiency, gas-fired water boiler

Efficiency rating (AFUE) up to 84.4

Constructed of high-quality materials, including a cast iron heat exchanger and stainless steel burners, the GWB8-E boiler delivers reliable heating performance season after season.

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  Lennox GSB8-E Steam Boiler  

GSB8-E Gas-Fired Steam Boiler

Standard-efficiency, gas-fired steam boiler

Efficiency rating (AFUE) up to 82.7

Built with high-quality materials, including titanium burners and a cast iron heat exchanger, the GSB8-E boiler quietly and efficiently supplies your home with cozy, comfortable warmth.

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Navien Condensing Gas Boilers (NHB)

Money and energy savings over other boilers and traditional water heaters.

  Lennox GSB8-E Steam Boiler


• AFUE 95%
• Super condensing efficiency
• Space saving
• Dual stainless steel heat exchangers
• Integrated controls

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Installation of Navien Gas Boiler

Bryant Heating & Cooling Systems Better Contractors Bureau  of Rochester, NY - HEATING Air Conditioning Contractors of America (ACCA) - Upstate New York Chapter Better Business Bureau of Rochester New York North American Technician Excellence, Inc. Building Performance Institute, Inc. (BPI) - Accredited Contractor Home Performance With United States Environmental Protection Agency Lennox Residential Heating & Cooling Replacement Equipment
About Betlem Residential Heating and Air Conditioning of Rochester, NY Emergency Heating & Cooling Services - Phone: 585-271-4328 - HEAT Betlem Residential Heating & Air Conditioning 704 Clinton Avenue South, Rochester, NY 14620 Cooling Products and Services Heating Products and Services