HVAC Services

Commercial and industrial heating, ventilation, and air conditioning for facilities throughout Santa Clara County, Santa Cruz County, Alameda County, Contra Costa County, Monterey County, and San Francisco. Golden Gate Mechanical, Inc. — C-20 Licensed, EPA Universal Certified, CSLB #646854.

24/7 Emergency HVAC Service
Around-the-clock response for commercial and industrial facilities
(408) 246-3355
Golden Gate Mechanical, Inc. is a C-20 licensed commercial HVAC contractor serving the San Francisco Bay Area. We work with building owners, developers, property managers, and general contractors to deliver complete HVAC solutions — from design and installation through commissioning, air balancing, and long-term service. In addition, our team holds factory certifications from the industry’s leading VRF manufacturers and specialty certifications in air balancing and mechanical acceptance testing that most contractors in the region cannot offer.

Our HVAC services

HVAC Systems

Full-service design, installation, and service of commercial and industrial split systems, package units, rooftop units, and custom HVAC solutions for facilities of all sizes.

Learn more →

NEW

VRF Systems

Factory-certified installation and service of Variable Refrigerant Flow systems from Daikin, Mitsubishi Electric, and LG for multi-zone commercial and industrial facilities.

Learn more →

NEW

Commercial Air Balancing

NCI-certified test, adjust, and balance services for commercial HVAC systems up to 25 tons and above, with full documentation for permit and specification compliance.

Learn more →

Chillers

Commercial and industrial chiller installation, commissioning, and service including Dunham-Bush systems for large-scale cooling applications.

Learn more →

Boilers

Commercial and industrial boiler installation and service for offices, healthcare facilities, laboratories, and industrial plants throughout the Bay Area.

Learn more →

Cooling Towers

Installation, maintenance, and service of commercial and industrial cooling towers for large-scale HVAC and process cooling systems.

Learn more →

Preventative Maintenance

Structured HVAC maintenance plans designed to extend equipment life, maintain peak efficiency, and consequently reduce costly emergency repairs over time.

Learn more →

NEW

Mechanical Acceptance Testing

Certified California Title 24 mechanical acceptance testing providing verified documentation required for permit sign-off on new and renovated commercial buildings.

Learn more →

New Construction

Complete HVAC design and installation for commercial and industrial new construction, working alongside developers, architects, and general contractors from ground up.

Learn more →

Equipment brands we service

DAIKIN
VRV Systems
Factory Certified
MITSUBISHI
City Multi VRF
Factory Certified
LG
Multi V Systems
Factory Certified
TRANE
AMERICAN STANDARD
CARRIER
YORK
AAON
LENNOX

Facilities we serve

  • Office buildings — multi-tenant and single-tenant, new construction and retrofit
  • Healthcare and medical facilities — clinics, labs, surgery centers, and hospitals
  • Industrial and manufacturing — process cooling, ventilation, and facility climate control
  • Retail and hospitality — restaurants, hotels, and mixed-use commercial developments
  • Schools and universities — classrooms, labs, gymnasiums, and administrative buildings
  • Warehouses and distribution centers — large-scale ventilation and cooling systems
  • Data centers — critical precision cooling infrastructure
  • Laboratories and research facilities — precision temperature, humidity, and airflow control
C-20
HVAC Contractor
Class B
General Building
EPA
Universal Certified
NCI
Air Balancing Certified
CSLB License #646854 — Verify at www.cslb.ca.gov

Ready to discuss your HVAC project?
Golden Gate Mechanical, Inc. is available 24/7 for service and consultation.

Contact Us →