Energy Star Certified Products

Save energy and spend less money on heat with our full product line of ENERGY STAR certified boilers.

Rebates and incentives for our products
Energy Star Products

Find The Right Product For Your Business or Home

Don’t overspend on a boiler. Find the right fit for your needs by viewing our full product line of heating solutions.

Find the right product
Residential House

A Network of Independent Dealers

Finding someone properly trained and qualified to install and maintain the boiler in your business or home is important to you. That’s why Dunkirk has a network of qualified independent dealers that are familiar with our products and have experience in Dunkirk installation and maintenance.

Find a Dealer

The listed contractors are independent of Dunkirk. You must rely on your own careful investigation before you hire any contractor listed here or elsewhere

A Company You Can Depend On

Dunkirk has been trusted by American families for their home heating needs since 1928. With a commitment to quality, expertise in engineering and design, and a reputation for exceptional service, Dunkirk is proud to lead the way in the industry for trust and dependability.

Our company history Our guarantee

I like the range of sizes that you offer.

Not too comfortable with using supplied black pipe dope for flu Hood.

Jonathan BurnsW. Henrietta, NY
Product Reviewed:
D249 Series Commercial Boiler

Very pleased to see how things are packaged and delivered. Not once has there been anything missing, and/or damaged.

Jonathan A. BurnsW. Henrietta, NY
Product Reviewed:
D249 Series Commercial Boiler

This is the second unit I have purchased. The first was for a 10 unit apartment building. Fuel usage was cut in half from previous system, very dependable and easy to maintain.

Carl PalmquistOlean, NY
Product Reviewed:
DCC/DCB High Efficiency Wall Mounted Modulating Condensing Boiler