Business Details
50+ Years
experience
Custom HVAC Solutions Experts Since 1967
Founded in 1967 by Al Dokter, Don Miller, and Bill Gebbie, DMG Corporation has grown from a three-partner team to a thriving organization with over 100 sales engineers and technical staff. Our focus remains on delivering personalized engineering support and project management while providing HVAC equipment tailored to clients' needs. With offices in California, Hawaii, and Reno, NV, we serve diverse markets including Los Angeles, San Diego, Central Valley, and Central Coast. Our team of experienced mechanical and sales engineers specializes in custom and semi-custom air handlers, VRF systems, chillers, and other energy-efficient HVAC solutions. We maintain a 67,000 sq. ft. headquarters in Orange, CA, and operate DMG Parts for rapid replacement part access.Our engineers collaborate with building owners, consultants, and contractors on equipment design, selection, and commissioning. We partner with over 40 global manufacturers to offer cutting-edge technology and operational efficiency. Our warehouse stocks critical components like VFDs and WSHPs for immediate delivery. Leadership under successive presidents has maintained our commitment to customer care and technical excellence. We continuously expand our sales team and technical capabilities to meet evolving industry demands.
Services
Custom Air Handlers
VRF Systems
Chillers
Cooling Towers
Variable Frequency Drives
Water Source Heat Pumps
Evaporative Cooling
Packaged DX Units
Boiler Systems
Fan Solutions
Details
- Year established: 1967
Highlights and features
- We offer 55+ years of specialized HVAC engineering expertise
- Our team includes 100+ certified sales engineers and technical staff
- We maintain immediate parts availability through our 67,000 sq ft warehouse
- Our engineers collaborate directly with manufacturers on custom solutions
- We provide multi-location support across six western US regions
Services
Custom Air Handlers
We design and supply custom-engineered air handling systems tailored to specific building requirements. Our solutions optimize energy efficiency while maintaining precise temperature and humidity control for commercial and industrial facilities. Our engineering team collaborates directly with clients to ensure optimal system integration and performance.
VRF Systems
Our VRF solutions provide zoned heating and cooling with exceptional energy efficiency. These systems adapt to varying load requirements across multiple zones while maintaining consistent comfort levels. Our engineers specialize in complex VRF installations for mixed-use and high-rise buildings.
Chiller Systems
We offer precision-engineered chiller systems for industrial process cooling and large-scale HVAC applications. Our solutions maintain consistent cooling performance while optimizing energy consumption. Our team provides complete system design and integration support.
Variable Frequency Drives
Our VFD inventory enables precise motor speed control for HVAC equipment. These drives improve system efficiency and extend equipment lifespan through soft-start capabilities. Immediate availability ensures rapid replacement for critical operations.
Water Source Heat Pumps
We provide efficient water-source heat pump solutions for commercial buildings with simultaneous heating and cooling needs. Our systems leverage water loop technology for superior energy recovery. Immediate parts availability ensures minimal system downtime.
Questions
What HVAC equipment does DMG Corporation specialize in?
We specialize in custom and semi-custom air handlers, VRF systems, chillers, cooling towers, boilers, variable frequency drives, and water source heat pumps.
Which geographic areas do you serve?
We serve California, Hawaii, and Nevada with offices in Los Angeles, San Diego, Central Valley, Central Coast, Sacramento, Reno, and Silicon Valley.
How quickly can replacement parts be obtained?
Our Orange, CA warehouse maintains immediate availability of critical components like VFDs and WSHPs for same-day pickup or delivery.
What engineering support do you offer?
Our team of mechanical engineers provides design assistance, equipment selection, commissioning, and training for all HVAC systems we represent.
How does DMG handle complex HVAC projects?
We provide dedicated project management with personalized engineering support from initial design through equipment delivery and system commissioning.
What's your experience with commercial HVAC systems?
With 55+ years of experience, we've worked on diverse commercial and industrial projects since 1967, maintaining technical expertise across all system types.
