Powering the systems East Bay facilities depend on.
Commercial HVAC, refrigeration and electrical service—engineered as one connected facility system.

Equipment details, site conditions and fault history organized for faster field decisions.
01 · Capabilities
Core services
Eight service lines covering the mechanical and electrical plant of a commercial or industrial building.

HVAC
Full mechanical service for rooftop units, air handlers, VRF, chillers and boilers.
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Chillers
Air-cooled, water-cooled and process chillers with pumps, towers and controls.
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Boilers
Hydronic and domestic hot water boilers, burners, pumps and controls.
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Refrigeration
Walk-ins, reach-ins, rack systems and condensing units for food service and cold storage.
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Electrical
Power distribution, switchgear, panels, generators and backup systems for facilities.
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Switchgear
Main switchgear and switchboards: inspection, cleaning, testing, breaker service and repair.
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Generators
Standby generators, transfer switches and load bank testing for critical facilities.
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Battery Backup
UPS systems, battery replacement, emergency lighting inverters and energy storage.
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Every service, by discipline
HVAC
Rooftop units, air conditioning, heat pumps, chillers and boilers.
Refrigeration
Walk-in coolers and freezers, reach-ins, racks and condensing units.
Electrical
Switchgear, distribution, panels, transformers, generators and battery backup.
Why Golden Valley
One contractor for the mechanical and electrical plant
Facility managers and building engineers get a single team that understands how rooftop units, refrigeration racks, switchgear and standby power interact.
Commercial & industrial focus
01- No residential work — schedules built for facilities
- Technicians trained on rooftop, mechanical-room and plant equipment
- Coordination with property managers and GCs
HVAC + refrigeration + electrical
02- Mechanical and electrical faults diagnosed by one team
- Power quality issues traced to the equipment they damage
- Fewer hand-offs on tenant improvements and retrofits
Preventive maintenance
03- Site survey and equipment inventory
- Quarterly, semiannual and annual task plans
- Documentation per asset for compliance and budgeting
Multi-site coverage
04- Eight East Bay cities on one dispatch board
- Portfolio-level reporting for property management
- Consistent standards across every building

Maintenance informed by better data.
Scheduled HVAC, refrigeration, electrical, switchgear and generator maintenance programs.
- Monthly programs for critical facilities, heavy refrigeration and generator systems
- Quarterly programs for most commercial HVAC and refrigeration equipment
- Semiannual programs for seasonal heating/cooling changeover and battery systems
- Annual programs for switchgear infrared scanning, chiller and boiler comprehensive service and generator load bank testing
- Custom schedules combining frequencies across equipment types
Coverage
East Bay service areas
Dispatch across Alameda County's commercial and industrial corridors.
Fremont, CA
Advanced manufacturing and EV/battery production facilities
Union City, CA
Industrial and warehouse buildings in the western industrial area
Hayward, CA
Food and beverage manufacturing and packaging plants
Castro Valley, CA
Retail centers and grocery-anchored shopping centers
San Lorenzo, CA
Industrial and warehouse buildings along the I-880 corridor
San Leandro, CA
Food and beverage manufacturing and commissary operations
Oakland, CA
Downtown, Uptown and Lake Merritt office buildings and towers
Alameda, CA
Former naval air station industrial buildings, hangars and warehouses
FAQ
Frequently asked questions
Dispatch
Request service
Tell us about the facility and the equipment. Licensed California contractor. Commercial and industrial facilities only.

