Are You Looking for HVAC Contractors in Berlin, CT?

Douglas Mechanical Services delivers expert HVAC installation, repair, and maintenance solutions for residential and commercial clients in central Connecticut. Since 2004, our licensed technicians have provided reliable heating, cooling, and ventilation services using advanced technology and quality materials. We serve Hartford, Middlesex, and New London counties with a focus on customer satisfaction, safety, and energy-efficient systems.

A First Response HVAC provides comprehensive heating, ventilation, and air conditioning services to Central Connecticut residents and businesses. Established in 1997, we specialize in system installations, emergency repairs, and preventative maintenance using industry-leading technology. Our certified technicians deliver honest recommendations, competitive pricing, and 24/7 emergency response to ensure optimal indoor comfort year-round.