Licensed Excellence You Can Count on

D&D Mechanical is a BBB-accredited and fully licensed HVAC contractor proudly serving New Haven County since 2007. With over a decade of experience, our team brings unmatched technical knowledge, attention to detail, and dedication to every project—whether it’s heating, cooling, or commercial refrigeration. We’ve earned our reputation for excellence by consistently delivering reliable, efficient service and building long-term relationships with clients who trust us to keep their spaces comfortable year-round.