Innovation That Defines an Industry
Since introducing the first stainless steel flow cartridge in 1960, Griswold Controls has been at the forefront of flow control innovation. Our breakthrough Automizer® — the first combination actuated control ball valve with automatic flow limit controls — exemplifies our commitment to pioneering solutions that transform the HVAC industry.
We don't just meet industry standards; we create them. Our solutions are designed by engineers who understand the real-world challenges faced by contractors and building professionals every day.
Engineering Excellence
Continuous innovation in terminal units, heat pumps, air handlers, and equipment room installations. We develop solutions that help contractors grow their business and engineers deliver superior, cost-effective systems.
Sustainability Pioneer
Leading the green revolution in HVAC for years. Our energy-efficient products and technologies help businesses, schools, and facilities reduce their carbon footprint while maximizing operational savings.
Solutions-Focused
Innovative, versatile flow control solutions designed to fit your specific applications. We understand industry challenges and create products that solve real problems with superior quality and performance.
Serving Critical Industries Worldwide
Delivering precision flow control solutions across diverse markets
HVAC Systems
Premium valves and pre-assembled systems for commercial and industrial HVAC applications, ensuring optimal comfort and energy efficiency.
Irrigation & Landscaping
Specialized irrigation valves and piping systems engineered for the unique demands of professional landscaping applications.
Built on a Foundation of Trust
With a large, knowledgeable staff driven by efficiency and exceptional service, Griswold Controls delivers improved comfort, system operating efficiencies, and utility cost savings to building owners worldwide. Our decades of expertise ensure you're partnering with the most reliable name in flow control technology.