Commercial Products & Services

Setting a new RTU at Sheehan High School, Meriden Mixing Station at CT Tool New rooftop installation at Tuscany Staek and Seafood Resturant

Our technicians are not only experienced with many different commercial brands but with expanding technologies as well. We supply quality parts and equipment from manufacturers like American Standard, Aprilaire, Buderus, Carrier, Daikin, HB Smith, Honeywell, Johnson Controls, Mitsubishi, Powerflame, Samsung, Trane, and Weil McLain, plus many others.

Douglas Mechanical Services technicians are trained to handle nearly every service needed including gas and oil fired boilers, gas and oil warm air heat, cooling, ventilation, and commercial refrigeration systems. We install and service commercial water heaters from the smallest to the largest, as well as all types of processed piping including; compressed air, nitrogen, argon, vacuum, and exhaust. We also service all sizes and makes of commercial rooftop package units.

Click on one of the manufacturers below to learn more about the products they offer, which we can install for you.

American Standard Aprilaire Buderus Carrier Daikin HB Smith Honeywell Johnson Controls Lennox Lochinvar High efficiency Water Heaters, Boilers and Pool Heaters Samsung Trane Utica Boilers Weil McLain