Diamond HVAC Services Inc.

Diamond HVAC Services Inc delivers heating and cooling solutions to homeowners and businesses throughout the Bay Area, including Petaluma and surrounding communities. The contractor holds a perfect 5-star rating across 13 client reviews, reflecting consistent execution on installation projects and repair calls. Service hours run Monday through Friday from 7 AM to 3:30 PM, with same-day estimates available for urgent situations.

This contractor operates as a Mitsubishi Diamond Elite Contractor, achieving the manufacturer's highest accreditation level for equipment installation and support. The credential grants access to extended product warranties reaching 12 years on Mitsubishi Electric systems, a benefit passed directly to customers. Financing options through FTL Finance enable larger projects to proceed without upfront capital strain, while the team pursues rebates and energy-saving solutions to reduce overall project costs.

Clients highlight Luis for handling complex retrofit projects, including ducting replacement beneath homes and heating system relocation. One reviewer described Luis as accessible throughout an entire renovation, from initial planning through execution. Another reviewer credited Kevin with diagnosing and repairing a heating failure that left a house without warmth. The team resolved both scenarios without requiring follow-up visits, according to their client feedback.