The Legacy of Vilter

For more than 150 years, Vilter has helped shape the industrial compression industry through a relentless commitment to engineering innovation, performance and reliability. From introducing one of the industry's first refrigeration compressors in the late 1800s to advancing modern solutions for industrial refrigeration, process cooling and gas compression applications, Vilter has remained focused on solving complex challenges for customers around the world. 

Today, as part of Copeland, the Vilter brand continues to build on its heritage by delivering robust compressor technologies, engineered systems and application expertise that help customers improve efficiency, reliability and operational performance. Explore the milestones that have defined the Vilter journey and established its reputation as a trusted leader in industrial compression technology.

Factory workers standing near machinery in a plant dating to 1867

1867

Vilter Manufacturing started as a general purpose job shop that Peter Weisel opened in 1867 in Milwaukee.

Vintage grey Corliss compressor with gears.

1880

Ernest Vilter became a partner in the business and soon after introduced the Corliss Engine.

Industrial plant dating back to the 1800s

1882

Vilter introduced the first refrigeration compressor in 1882. Vilter continued to expand manufacturing operations in Milwaukee.

Large group of employees outside a manufacturing plant. Historical picture.

1892

After a devastating fire, Vilter rebuilt a larger site and quickly rose as an industrial refrigeration leader, providing cooling equipment to ice plants, breweries and packing houses.

Analog gauges on a red compressor

1914-1945

The company played a crucial role in supporting the U.S. in World War I and World War II. Reliable Vilter compressors were used extensively to make ice.

Plant employee evaluating a reciprocating compressor

1945

The Vilter 440 reciprocating compressor was developed in 1945. It remains an industry standard today.

1967

Vilter celebrated 100 years of innovation and became one of Milwaukee's oldest continuously operating manufacturing companies. 

Vilter industrial compressors in a plant

1983

Vilter began developing its single-screw compressor platform, marking the start of a new generation of industrial refrigeration technology. 

Emerson Logo

2009

Emerson acquired Vilter, expanding the company's global reach and accelerating investment in industrial refrigeration and gas compression technologies. 

Copeland Logo

2023

Following Blackstone's acquisition of Emerson Climate Technologies, Copeland launched as an independent company, opening a new chapter of investment and innovation for the Vilter brand.  

2023-2025 

Copeland completed a $14 million renovation of its Vilter facility in Cudahy, Wisconsin, expanding training, engineering and collaboration capabilities to support the future of industrial refrigeration, heat pumps and sustainable compression technologies. 

Black industrial heat pump

2025

Copeland announced the acquisition of SPH Sustainable Process Heat, adding advanced high-temperature heat pump and steam generation technologies to the Vilter portfolio.