About Laars Heating Systems Company

Headquartered in Rochester, NH with manufacturing facilities located in the United States, Laars Heating Systems Company products use the finest raw materials and components from around the world to deliver the highest quality and value to its customers.

Laars products are widely used in space heating, radiant floor heating, volume water heating, and industrial process markets, utilizing natural gas, liquid propane, or electricity.

Laars engineers use the latest in fluid flow and heat transfer simulations as well as extensive lab testing when developing new products to ensure proper operation of the heating system.

Meeting the needs of today’s more demanding heating systems applications, Laars offers more than 20 different heating products, supporting accessories, and controls.

Commercial & Residential Boilers and Water Heaters

When it comes to Commercial Boilers, Laars provides quality built heating solutions that can be used in just about every type of commercial heating application – office buildings to schools, hotels to sports stadiums, and even airplane hangars.

For Commercial Water Heaters, Laars products meet the varied applications and challenges of heating water in large volumes. From hotels and hospitals, to process plants and mines, Laars has products that can provide hot water to meet required specifications.

Laars offers a variety of combination boilers and water heaters for residential applications, handling both central heating and domestic hot water in one unit.

Pool Heaters

Offering a variety of sizes and styles that can be installed indoors or outdoors, Laars Pool Heaters are designed for commercial, institutional, and large residential pools, including use with Olympic-sized pools and theme parks.


With an ability to produce custom tanks to accommodate up to 5,695 gallons of water, Laars offers storage tanks that meet a variety of criteria, including installations where the peak demands require stored water, units that increase water volume capacity in relation to the chiller capacity, and tanks that help reduce short cycling of the boiler system and separate building and boiler circulation.


Laars features controller options that manage single or multiple units and networks, handling the various stages of heating or cooling applications, allowing the pumps and/or valves to maintain a precise system set point.

Need help with Laars?

We carry a wide range of Laars products and a member of the HSA team would be happy to source the right components for your project.

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Brian McCarthyInside Support
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