Greystone has manufactured HVAC sensors and transmitters for over 30 years for building and energy management systems. Our expertise with sensory type devices and custom design engineering capability has complimented many original equipment manufacturers for building automation and direct digital control. Distributors, contractors, and facility engineers have trust in the Greystone brand delivering quality assured and competitive priced product to their commercial and light industrial projects.
A proud Bemsiq Group company since 2021
One of North America’s largest ISO registered manufacturers of HVAC sensors and transmitters.
NEW PRODUCTS
What’s new?
Our team strives to bring you the latest solutions for your HVAC challenges.
DOCUMENTS
Looking for something?
Browse our new and improved online document center.
TRADESHOWS
Where can you find us?
See what Industry trade show you can visit us at next.
QUALITY
Looking for reliability?
Through strict adherence to our quality standards we deliver you peace of mind.
