95% Efficiency


Condensing Gas Boiler
Stainless Steel Heat Exchanger


  • High Efficiency Boiler
  • Compact, Space-Saving Modern Design
  • Industry Leading Features for Improved System Efficiency
  • Saves Fuel Costs and Provides Peace of Mind
  • Free Extended Warranty

The Alpine is one of the most efficient, energy-saving boilers on the market today. Every Alpine boiler is equipped with a number of advanced technologies to constantly monitor boiler performance and match fuel consumption directly to heating demand. The Alpine incorporates outside temperature sensing technology that automatically adjusts the firing rate of the boiler based on the outside air temperature. It also continuously monitors system safety parameters to ensure years of comfortable, safe, reliable operation. Todays Alpine is the peak of performance. In fact, U.S. Boiler Company is so confident in the performance, quality and durability of the Alpine that each Alpine boiler comes with an extended warranty plan* that provides parts and labor for the boiler and all its controls for 5 years FREE!

  • FREE 5-year parts & limited labor warranty (registration required within 90 days of installation)
  • Available for use with natural or LP gas
  • Industry leading Sage2.1 Boiler Control System continuously monitors key system parameters
  • With Touch Screen Display for easy user interface to view all system functions
  • Fully modulating combustion system that constantly determines precise fuel usage
  • 7 boiler sizes in both wall-hung or free-standing configurations to ensure we have the right  appliance for your home
  • ENERGY STAR Certified – Efficiency tax credits/rebates may apply
  • Certified to the stringent requirements of the only nationally recognized boiler safety standard –  ANSI Z21.13
  • Extended Boiler Warranty Plans are available and administered by CornerStone United, Inc.