HVAC & Heating
Berkeley, CA
3rdGen Building Systems is a Bay Area commercial HVAC and design-build mechanical contractor specializing in VRF systems, heat pump installations, tenant improvement HVAC, and full electrification retrofits for both commercial and residential projects. Founded on principles of disciplined execution and performance-driven solutions, they handle complex mechanical scopes including system design, load calculations, installation, and commissioning across San Francisco, Oakland, Berkeley, Marin, Walnut Creek, and the Peninsula. They excel at coordinating mechanical work with general contractors and project teams, offering everything from indoor air quality solutions to whole-home mechanical system upgrades.
Ideal for: Commercial property owners planning tenant improvements, residential homeowners upgrading to efficient heat pump systems, buildings transitioning to all-electric HVAC, construction teams needing coordinated mechanical design-build services
Service area: San Francisco, Oakland, Berkeley, Marin, Walnut Creek, and the Peninsula
VRF & Heat Pump Expertise: Specialized in variable refrigerant flow systems and inverter-driven heat pump installations with precise temperature control and multi-zone capabilities for commercial tenant improvements and residential whole-home upgrades.
Full Electrification Retrofits: Comprehensive HVAC electrification services replacing gas furnaces with high-performance heat pump systems, including coordinated electrical, ventilation, and duct upgrades for all-electric homes and commercial buildings.
Design-Build Coordination: Integrated mechanical development from system planning and load calculations through installation and commissioning, working closely with general contractors and project teams for seamless execution.
Address: 1230 Fourth St Unit A, Berkeley, CA 94710
Phone: (510) 399-4090
Website: 3rdgen.io
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