Laars Heating Systems Co.

Founded in 1948, Laars serves a diverse base of customers located in many countries across the globe. Laars designs and manufactures high-efficiency residential and commercial (50,000 to 5,000,000 BTU's) hydronic boilers, volume water heaters, and commercial pool heaters at its Rochester, NH headquarters. Laars meets the needs of today's more demanding heating system applications with over 20 different heating products, supporting accessories, and controls.

A Bradford White company, Laars also produces the Keltech line of commercial and industrial tankless electric water heaters, acquired by Bradford White in 2021.