Thermostatic control products that create comfortable, energy-efficient indoor climates. 

Founded in 1928 in Germany by Theodor Heimeier, IMI Heimeier offers a comprehensive range of fit & forget products that you can trust to achieve comfortable & energy-efficient indoor climates.

Innovative solutions that deliver unparalleled performance

We have spent the last 9 decades developing ground-breaking technologies that deliver effective thermostatic control, simplify the user-experience and improve system efficiency. However, innovation for innovation's sake is not what we are about. Everything we do is driven by your needs and to ensure the peace of mind of you AND of your customers.

Quality Driven

The world-renowned German engineering that goes into every Heimeier product guarantees long-term durability and performance. Our robust quality control procedures include leakage and resilience testing to ensure our products are 100% functional and reliable.

IMI Heimeier Product range

Discover IMI Heimeier product range

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Company brochure

Download the company brochure and get a full overview of our extended range of HVAC products.


IMI Heimeier - Fast history facts:


IMI Heimeier redefines design radiator heads with the launch of Halo

Dynacon Eclipse, our radiating heating manifold, now equipped with AFC technology is launched

Eclipse, the smallest thermostatic valve body equipped with AFC technology is launched

Our patented Automatic Flow Control technology comes to market to revolutionize hydronic balancing 

Milestone: 150 million thermostatic valves are mounted with a K-head in Europe.

IMI acquires the business and establishes IMI Heimeier

The iconic K-head, our first thermostatic head with a liquid-filled sensor, is born 

Theodor Heimeier founds Heimeier Metallwerke in Lippstadt, Germany.

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