Boilers- oil, gas, wood and pellet

 NTI Boiler


NTI boilers are developed using state-of-the-art computer assisted design techniques and in accordance with the guidelines of the Canadian Standards Association and A.S.M.E. industry codes. Our on-site laboratory and training facilities at our head office in Saint John, New Brunswick ensure that we maintain our commitment to ongoing quality control, product development and contractor support.

Gas-Fired Boilers | NTI Oil Boilers

 Rinnai Boiler

Rinnai Logo

Only Rinnai offers the quality and reliability that is built on a 45 year history of innovation and improvements. Rinnai commands quality through in-house design, engineering and manufacturing, and insures your satisfaction with in-house support.

Gas-Fired Boiler

Pellergy Wood Pellet Boiler 

Pellergy Wood Pellet Boiler

Pellergy’s steel and cast iron wood pellet boilers are each available in three sizes. Pellergy wood pellet burner systems have been extensively tested with these ASME-Rated, specially developed wood pellet boilers in both residential and commercial applications.  The high efficiency, triple pass cast iron boilers are designed to burn fewer pellets and provide ease of clean out via a front hinged door.  

Wood Pellet-fired Boiler 


Viessman Oil-fired Boiler 


Viessmann is offering a multi-level program of high-tech, state-of-the-art heating products. Wall-mounted gas-fired condensing boilers, floor-standing oil- or gas-fired hot water heating boilers all designed to achieve superior performance, reliability and energy savings.

Gas-Fired Boilers  |  Oil-Fired Boilers   |  Solar Water Heating 

Buderus Boiler 

 Buderus Logo

Buderus offers efficient and high grade heating technology for the creation of heating systems. Our wide selection of heating equipment enables you to create individual solutions for any heating requirement. All Buderus products meet the highest demands made of functionality, performance, design and environmental compatibility.

 Gas - Conventional  |  Oil - Conventional  

 Gas -Condensing | Oil - Condensing   

Smith boiler 

Smith Cast Iron Boilers are known throughout North America for their rugged reliability, operating efficiencies and longevity.

All Smith boilers are in compliance with A.S.M.E. standards for safety, and all capacity and efficiency ratings independently I=B=R certified by Hydronics Institute of GAMA. We maintain extensive research, development and testing facilities.

Residential Boilers (Gas & Oil)

Commercial Boilers: (Gas, Oil or both) 

Weil-Mclain Boiler

Building on a tradition of quality and innovation, our mission is simple: to design and build the best comfort heating products on the market, to make them first and to make them last—for decades.



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72 Lower Main Street
Morrisville, VT 05661
17 North Main Street
Waterbury, VT 05676
486 Main Street
Lyndonville, VT 05851
4477 Main Street
Waitsfield, VT 05673
10 Canada Street
Swanton, VT 05488
366 East Montpelier Road
Montpelier, VT 05601