DESIGN + BUILD Matrix HG is a commercial HVAC company serving the greater San Francisco Bay Area. We are an innovation leader in design-build HVAC solutions, with a commitment to service that is unmatched. We provide whole-system HVAC service, design, installation, maintenance, and repair of heating, ventilation, and cooling systems. Matrix HG services residential, commercial, retail, and institutional buildings, as well as vessels, such as aircraft and ships. Our projects range from simple HVAC-component replacements to complex system design and installation of on-site power plants. We plan and manage every job to deliver the greatest degree of efficiency, power management, and cost-control for building owners and managers, and for the comfort and safety of tenants and building occupants. Ultimately, our commitment is to people – that’s the Matrix difference. Matrix HG Inc – San Francisco Bay Area commercial HVAC service, design, installation. SERVICE + REPAIR + MAINTAIN Our San Francisco Bay Area HVAC service department is here for you 365 days a year, offering 24-Hour Emergency Service, Predictive & Preventive Maintenance, Temporary HVAC Systems, and all types of construction repairs. From system breakdown due to age, wear-and-tear, or malfunction due to flooding, fire, earthquake, or other catastrophe, Matrix’s HVAC and commercial construction experts are here to help. Call us at 925-459-9200 in any emergency or to schedule repairs. DDC CONTROL Direct Digital Controls (DDC) gives you accurate energy management, which can result in dramatic cost savings on your monthly energy costs, and can make you eligible for energy rebates.