Since its founding in 1931,  Dwyer Instruments has established itself as an industry leader in the manufacturing of instrumentation solutions for the HVAC and process automation markets. Dwyer has a long history of innovation in designing and manufacturing its own measurement sensors that provide superior product performance, and their products are used every day in critical and essential processes around the world.

Dwyer delivers high-value environmental solutions combined with the best experience in the industry for our customers and partners and is the premiere manufacturer and innovator of sensors that make up the heating, cooling, and ventilation systems used daily the world over. Dwyer manufactures quality products in the U.S.A., and its presence has expanded over Midwest states – including Indiana, and Missouri.