Residential Boilers

Some of our more popular residential boilers are shown below. For a quote or service on a residential boiler project, please contact Buddy’s Plumbing today.

Knight Heating Boiler

Knight Heating Boiler is available in 10 Models — Floor Standing and Wall Mount Versions

  • 50,000 – 399,000 Btu/Hr
  • 95% AFUE Efficiency
  • Now Enabled for CON·X·US Remote Connectivity
  • ENERGY STAR® Compliant
  • Condensing Stainless Steel Heat Exchanger
  • View web site

Cadet Heating Boiler

Offering fuel cost savings and outstanding quality, the Lochinvar Cadet modulating condensing residential heating boiler can handle the heating load for almost any home.

  • 94% AFUE Efficiency
  • Compact Wall-Mount Design
  • Modulating Burner
  • Outdoor Reset with Sensor
  • Combination Hydronic Space Heating / Domestic Water Heating Model Available
  • View web site

Solution Heating Boiler

Economical, reliable, flexible, safe and dependable – The Solution Boiler.

  • 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
  • CPVC/PVC Vent Kit Option
  • Terminal Strip
  • View web site

Squire Stainless Steel Buffer Tank

Lochinvar’s Stainless Steel Buffer Tanks are designed to provide thermal storage volume and hydraulic separation of the boiler or heat pump and the building distribution system. A properly applied buffer tank will reduce on/off cycling (short cycling), which will lead to longer runtimes, higher efficiencies and longer equipment life.


  • R-13.4 Insulation for Minimal Heat Loss
  • Textured, Impact Resistant Polymer Jacket
  • Light-weight 316L Stainless Steel Tank Construction
  • Bulbwell
  • Drain and Air Vent Connections
  • 5 Year Tank Warranty
  • View web site

MPO-IQ High-Efficiency Oil Boiler

The MPO-IQ blends unmatched performance with long lasting durability and exclusive energy saving features. Designed as an optimal replacement boiler for millions of homes with existing chimneys, the MPO-IQ has the highest average efficiency in its class. Its rating as high as 87% AFUE and easily exceeds ENERGY STAR levels for efficiency.

  • Oil-fired boiler
  • Hot water only
  • Exclusive IQ Control System platform
  • High quality boiler control components
  • Time proven cast iron design for durability and reliability
  • Energy Star Certified – efficiency tax credits/rebates may apply
  • Designed for homes without existing chimneys
  • Available direct vent option when a chimney is not available
  • Limited Lifetime Manufacturers Warranty
  • View web site

Independence Boiler

The Independence is a residential, gas-fired boiler for steam systems. It is available for either natural or LP gas and has AFUE ratings of up to 82%. Its large water volume and durable cast iron sections make it an ideal replacement for even the most challenging steam heating system.

  • Natural or LP gas
  • Rugged cast iron heat exchanger
  • Stainless steel burners
  • 10 sizes to meet your specific needs
  • High quality boiler components
  • Time proven design for low cost of ownership
  • Optimum venting flexibility
  • 10-Year Limited Manufacturers Warranty
  • View web site

Alpine Boiler

The Alpine condensing gas boiler 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.

  • High efficiency boiler
  • Compact, space-saving modern design
  • Saves fuel costs and provides peace of mind
  • Available for use with natural or LP gas
  • Industry leading Sage2.2 Boiler Control System continuously monitors key system parameters
  • Touch Screen Display for easy user interface to view all system functions
  • Fully modulating combustion system that constantly determines precise fuel usage
  • 6 boiler sizes in both wall-hung or free-standing configurations
  • View web site

Williamson Boilers

Williamson boilers offer flexibility and reliability in residential or light commercial applications. Both gas-fired and oil-fired boilers are available. Williamson cast iron boilers are also available in water or steam versions.