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.

DMG managers, partners, and engineers

We offer seamless coverage from Northern Nevada throughout California to the Hawaiian Islands.

Since opening in 1967, we have worked closely with consulting engineers, contractors, developers and facility engineers/owners, in the design, selection, and purchase of top quality equipment. Our staff of engineers and technicians are experienced and ready to be of service in the design and application of custom and commercial mechanical equipment including; air handling units, chillers, boilers, fan coil units, VRF, heat pumps, and more.


DMG offers a broad range of Products that can be applied in a range of Markets.

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.


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
VAV Boxes
Fan Coil Units


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. 

For More Details, Visit Our Products & Markets Pages