DMG is a regional, independent sales agency for premiere HVAC equipment. DMG represents engineered products, designed and cus ... tomized for your specific needs. Our highly experienced Sales Engineers will work with you to ensure your satisfaction. Our products include: Custom & Modular Air Handling Units / Air & Water-Cooled Chillers / VRV Split Heat Pump & Heat Recovery Systems / Packaged Rooftop A/C Units / Variable Frequency Drives / Cooling Towers, Evap Condensers and Dry Coolers / Modular Central Plants / Laboratory Exhaust Systems / Institutional & Industrial Fan Systems / Fan Coil Units / Sound Attenuation / Thermal Energy Storage / Energy Recovery Systems / Airflow Measurement / Bi-Polar Air Purification Systems / No Heat Refrigerant Piping system read more