Industrial HVAC Company in CT

In 1967, William J. Dornfeld started our HVAC company in Connecticut with his four sons. The origination of the company was based on providing reliable, friendly and expert HVAC service to customers in New Haven, CT area. Today, WJ Dornfeld Co. has succeeded in creating a reputation based on these principles. Our HVAC Services have expanded to the entire state of Connecticut and our company is now a recognized leader in the heating and air conditioning business.

Commercial HVAC Contractors

Today, WJ Dornfeld Co. is owned and operated by brothers William R., James and David Dornfeld.  As a Connecticut family business, our HVAC Contractors stand behind the quality of service that our name represents. For over 40 years we have worked hard to maintain quality HVAC services that were originated by founder William J. Dornfeld.