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Gas Boilers

When you purchase a boiler from U.S. Boiler Company, you know you’re getting the best in comfort, durability and safety. With three models meeting the Energy Star efficiency standards, we have the right boiler for your home.

View the details below of gas fired water boilers manufactured by U.S. Boiler Company.

Show All Products
  • High Efficiency Gas Products
  • Gas Boilers
  • Oil Boilers
  • Radiators
  • Indirect Water Heaters

Alta

Energy Star
95% Efficiency
U.S. Boiler Compnay Alta High Efficiency Condensing Boiler
More Info
High Efficiency Gas Boiler - Combi & Heating Models Available!
Stainless Steel Heat Exchanger
  • > Product Data Sheet
  • > User Manual
  • > I&O Manual
Product Details

Alpine

Energy Star
95% Efficiency
More Info
High Efficiency Gas Boiler
Stainless Steel Heat Exchanger
  • > Product Data Sheet
  • > Product Line Brochure
  • > User Manual
  • > I&O Manual
Product Details

Alpine Commercial

Up to 97% Thermal Efficiency
More Info
High Efficiency Gas Commercial Boiler
Stainless Steel Heat Exchanger
  • > Product Data Sheet
  • > Product Line Brochure
  • > User Manual
  • > I&O Manual
Product Details

Aspen

Energy Star
Up to 96% Efficiency
U.S. Boiler Company Aspen High Efficiency Condensing Boiler
More Info
High Efficiency Gas Boiler - Combi Model Available!
Stainless Steel Heat Exchanger
  • > Product Data Sheet
  • > Product Line Brochure
  • > User Manual
  • > I&O Manual
Product Details

Aspen Light Com

Up to 95% Thermal Efficiency
Burnham Aspen Light Commercial Condensing Boiler
More Info
High Efficiency Gas Commercial Boiler
Stainless Steel Heat Exchanger
  • > Product Data Sheet
  • > Product Line Brochure
  • > I&O Manual
Product Details

K2

Energy Star
95% Efficiency
Burnham K2 Condensing Boiler
More Info
High Efficiency Gas Boiler
Stainless Steel Heat Exchanger
  • > Product Data Sheet
  • > Product Line Brochure
  • > I&O Manual
Product Details

K2 Combi

Energy Star
95% Efficiency
K2 Combi Condensing Boiler
More Info
High Efficiency Gas Combi Boiler
Stainless Steel Heat Exchanger
  • > Product Data Sheet
  • > Product Line Brochure
  • > User Manual
  • > I&O Manual
Product Details

Sage Zone Control

U.S. Boiler Company Sage Zone Control Circulator Panel and Valve Panel
More Info
Circulator & Valve Panels
Condensing Boiler Accessory
  • > Product Data Sheet
Product Details

ES2

85% Efficiency
More Info
Gas, Water
Cast Iron Heat Exchanger
  • > Product Data Sheet
  • > Product Line Brochure
  • > User Manual
  • > I&O Manual
Product Details

Series X-PV

85% Efficiency
US Boiler XPV Gas Cast Iron Water Boiler
More Info
Gas, Water
Cast Iron Heat Exchanger
  • > Product Data Sheet
  • > User Manual
  • > I&O Manual
Product Details

Series 3

84% Efficiency
More Info
Gas, Water
Cast Iron Heat Exchanger
  • > Product Data Sheet
  • > Product Line Brochure
  • > User Manual
  • > I&O Manual
Product Details

Series 2

84% Efficiency
U.S. Boiler Company Series 2 Cast Iron Gas Water Boiler
More Info
Gas, Water
Cast Iron Heat Exchanger
  • > Product Data Sheet
  • > Product Line Brochure
  • > User Manual
  • > I&O Manual
Product Details

Series X-2

84% Efficiency
More Info
Gas, Water
Cast Iron Heat Exchanger
  • > Product Data Sheet
  • > Product Line Brochure
  • > User Manual
  • > I&O Manual
Product Details

SteamMax

82% Efficiency
More Info
Gas, Steam
Cast Iron Heat Exchanger
  • > Product Data Sheet
  • > User Manual
  • > I&O Manual
Product Details

Independence

82% Efficiency
More Info
Gas, Steam
Cast Iron Heat Exchanger
  • > Product Data Sheet
  • > Product Line Brochure
  • > User Manual
  • > I&O Manual
Product Details

MPO-IQ

Energy Star
87% Efficiency
More Info
Oil, Water
3-Pass Cast Iron Heat Exchanger
  • > Product Data Sheet
  • > Product Line Brochure
  • > I&O Manual
Product Details

EMP

Energy Star
87 Efficiency
More Info
Oil, Water
3-Pass Cast Iron Heat Exchanger
  • > Product Data Sheet
  • > I&O Manual
Product Details

MegaSteam

86% Efficiency
MegaSteam Oil Steam Boiler
More Info
Oil, Steam
3-Pass Cast Iron Heat Exchanger
  • > Product Data Sheet
  • > Product Line Brochure
  • > I&O Manual
Product Details

V8H

85% Efficiency or upgradeable to 87%!
More Info
Oil, Water (steam optional)
Cast Iron Heat Exchanger
  • > Product Data Sheet
  • > Product Line Brochure
  • > I&O Manual
Product Details

Alliance SL

More Info
Domestic Hot Water Heater
Stone-Lined Indirect Water Heater
  • > Product Data Sheet
  • > I&O Manual
Product Details

Alliance LT

U.S. Boiler Alliance LT Indirect Water Heater
More Info
Domestic Hot Water Heater
Thermoplastic Lined Indirect Water Heater
  • > Product Data Sheet
  • > I&O Manual
Product Details

Radiant

More Info
for Water or Steam Systems
Cast Iron Radiator
  • > Product Data Sheet
Product Details

Slenderized

More Info
for Water or Steam Systems
Cast Iron Radiator
  • > Product Data Sheet
Product Details

Baseray

More Info
for Water or Steam Systems
Cast Iron Baseboard Radiator
  • > Product Data Sheet
  • > I&O Manual
Product Details

Classic

More Info
for Water or Steam Systems
Cast Iron Radiator
  • > Product Data Sheet
  • > I&O Manual
Product Details
U.S. Boiler Company is a leading manufacturer of home heating equipment, water boilers, steam boilers, hot water heaters, radiators and boiler control systems.
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