About
DMG is a manufacturers’ representative for high quality Heating, Ventilating and Air Conditioning (HVAC) equipment and controls.
DMG specializes in three core areas for your business.

We offer seamless coverage from Northern Nevada throughout California to the Hawaiian Islands.
Build
DMG works closely with all members of the planning and construction teams. Design engineers, mechanical contractors, controls contractors, owners/developers all come to a project with their unique goals and perspectives.
How DMG helps get your project built:
Early design – designing custom equipment, selecting commercial equipment, and identifying controls solutions.
Coordination – 2D/3D CAD files, BIM, piping and wiring schematics, SOO development and review
Energy and system modeling – energy consumption and comparisons of systems, CFD analysis can provide 3D visualization of airflow and system performance
Project management – tracking equipment delivery, job walks, technical training for key individuals
Factory startup and commissioning – chillers, air handlers, boilers, lab valves, and VRF systems are commonly started up by our team or assisted by factory personnel
Owner training – facilities staff, end users, controls specialists
Warranty support – phone, email and onsite support for technical issues. Parts and equipment inventory at local warehouses for common items.
Repair
When mechanical systems go down, DMG is here to help you to get you back online quickly.
Technical Support – email, phone, onsite support is available for all products sold by DMG.
Parts – OEM Parts for all products sold by DMG. Common items are locally stocked.
Warranty – Not sure if your system is covered under warranty?
Here are some locally stocked items available at our DMG locations.
Packaged Rooftop Units
Water Source Heat Pumps
Boilers
VFDs
VAV Boxes
Fan Coil Units
Mini-splits
Replace
Determining to repair or replace is often the hardest assessment to make.
Some systems are easy to provide direct replacements. Other systems might need to be rebuilt onsite. From small fan coil units to central station custom air handlers, we do it all.