04/21/2026
Holland Furnace Company was one of Holland’s biggest industrial success stories. It was founded in 1906 in Holland, Michigan by John P. Kolla and his son-in-law August H. Landwehr. The company started on an industrial site at 21st Street and Columbia Avenue, near Prospect Park, making cast-iron, coal-burning furnaces at a time when many Americans were moving away from wood heat.
It grew fast. According to the City of Holland’s local history material, in its first year it made about 1,500 furnaces with 55 employees. By 1928 annual sales had topped 46,000 furnaces, and by 1930 the company employed about 400 workers in Holland and roughly 5,000 people nationwide through more than 500 branch offices. A 1961 federal court opinion likewise described Holland Furnace as operating in 44 states, with 475 branch and sub-branch offices and about 5,000 field employees.
A big part of its identity was its sales culture and branding. It sold directly to homeowners through door-to-door sales rather than relying only on dealers, and its well-known slogan was “Holland Furnaces Make Warm Friends.” That slogan mattered enough locally that the downtown Warm Friend hotel took its name from it. The City of Holland says August Landwehr announced that hotel project in 1923, and the building opened in 1925.
The company had a major physical and civic presence in Holland. Its best-known surviving industrial building is the former Holland Furnace headquarters at 491 Columbia Avenue, a three-story brick-and-limestone structure built in 1931. The city describes it as a late-Art Deco headquarters with then-modern features like air conditioning, large windows, rubberized flooring, and its own telephone exchange. Today that building is part of Black River Public School, which notes that the historic Holland Furnace building was donated to the school in 1999 and reopened for classes in 2000.
Holland Furnace also left its mark on local culture and architecture. The City of Holland specifically ties the Warm Friend building to the company, noting that it hosted Holland Furnace salesmen, businessmen, and visitors for years. The decorative beavers on the building symbolized the work ethic associated with the company.
Why was it so successful? From the sources I found, the answer seems to be a mix of timing, product fit, and aggressive sales. Holland Furnace entered the market as home heating was modernizing, it built a large manufacturing base in Holland, and it created a huge national distribution network through branch offices and in-home sales. A University of Michigan finding aid and Smithsonian record both describe it as a nationally significant furnace maker that sold across the country for decades.
Why did it collapse? There were two big forces. First, technology changed. The City of Holland says that after the Depression and World War II, newer oil- and natural-gas furnaces were smaller, cleaner, and more efficient than Holland Furnace’s older cast-iron products. Second, the company became notorious for deceptive sales and service practices. In 1958 the Federal Trade Commission ordered it to stop a range of unfair practices, and in 1961 the Seventh Circuit upheld that order. The court recounted allegations that Holland salesmen misrepresented themselves as inspectors or utility representatives, dismantled furnaces without proper permission, misrepresented their condition, and pressured homeowners into replacements.
By the mid-1960s the end had come. Local Holland history says the company went under amid lack of innovation and corporate/family scandal, and the Warm Friend building fell with the firm in 1965. Other historical summaries place the company’s dissolution in 1966. So the cleanest way to say it is that Holland Furnace effectively collapsed in the mid-1960s, with bankruptcy and dissolution occurring around 1965–1966.
What remains in Holland today is mostly architectural and historical memory rather than an operating company. The biggest visible remnant is the former headquarters at 491 Columbia Avenue, now part of Black River Public School. The Warm Friend also survives downtown, though in a different use. There are also archival traces: the University of Michigan has a Holland Furnace photograph collection, and Hope College has an oral-history series devoted to former employees and people connected with the company.
So in plain English: Holland Furnace was once one of the most important businesses ever based in Holland. It brought jobs, national recognition, and major buildings to the city, but its old technology and controversial sales tactics eventually helped destroy it. Its legacy is still physically visible in Holland, especially in the old Columbia Avenue headquarters.
