
Promax Service Group (CLSB #1133885) is BBB Accredited, family-owned small business and certified Mitsubishi Diamond Elite HVAC Contractor, proudly serving the Bay Area. As your neighbors, we treat every customer like part of our extended family—because to us, you are. We take the time to listen, understand your needs, and provide honest, reliable solutions that work for your home and your budget. Our mission is simple: to make high-quality HVAC and electrical services affordable and accessible to everyone, without ever compromising on safety or workmanship. Every project is handled by licensed, experienced technicians who take pride in doing the job right—and leaving your home clean and comfortable. We’re grateful to be a part of this community and look forward to helping you stay comfortable all year round. We also help our customers maximize savings through available rebates and offer flexible third-party financing options—because comfort shouldn't have to wait.
This pro has a valid business license. We regularly check the status of contractor licenses to ensure they are a reputable and trustworthy business.
This pro participates in the following programs.

Participating contractors meet rigorous training standards to install energy-efficient electric appliances. Customers can access attractive rebates to help fund home electrification projects.
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Participating contractors use proven diagnostic practices to improve HVAC service delivery. Customers benefit from higher-quality custom solutions that lead to reliable home performance.
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