Commercial Mechanical & VRF Contractor in the Bay Area
3rdGen Building Systems delivers VRF systems, tenant improvement HVAC, mechanical retrofits, heat pump installations, and electrification upgrades for commercial and residential projects across San Francisco, Oakland, Berkeley, and the Peninsula.
Commercial HVAC & VRF Systems
VRF System Design & Installation
Design and installation of coordinated VRF systems for commercial and tenant improvement projects, including system layout, equipment selection, and disciplined field execution.
Design-build HVAC solutions for office, retail, and adaptive reuse projects, delivered in close coordination with general contractors and project teams.
Integrated mechanical development and construction under one accountable team, from system planning and load calculations through installation and commissioning.
Inverter-driven heat pump and multi-zone VRF installations designed for high-efficiency residential comfort. Precise temperature control, lower energy use, and long-term system performance.
Full HVAC electrification replacing gas furnaces and legacy equipment with high-performance heat pump systems. Coordinated electrical, ventilation, and system upgrades for all-electric homes.
Commercial HVAC & Design-Build Mechanical Contractor in the Bay Area
3rdGen Building Systems is a Bay Area commercial HVAC and design-build mechanical contractor serving San Francisco, Oakland, Berkeley, Marin, Walnut Creek, and the Peninsula. We specialize in tenant improvement HVAC, VRF systems, heat pump retrofits, and coordinated mechanical planning for light commercial construction.
From San Francisco and Berkeley to Marin, Oakland, Walnut Creek, and the Peninsula, we bring disciplined execution, clear communication, and performance-driven systems to every project.