Specializing in Residential, Commercial & Industrial Heating and Air Conditioning

R.J. Mechanical, Inc.
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  • Residential
    • Furnaces
    • Air Conditioning
    • Ductless Mini Splits
    • Indoor Air Quality
    • Heat Pumps
    • Smart Thermostat
  • Commercial
    • VRF Systems
    • HVAC Design & Build
    • HVAC Install/Replacement
    • Maintenance & Repairs
    • Ductwork Installation
    • Controls & Commissioning
  • Promotions
  • More
    • Home
    • About Us
    • Contact
    • Residential
      • Furnaces
      • Air Conditioning
      • Ductless Mini Splits
      • Indoor Air Quality
      • Heat Pumps
      • Smart Thermostat
    • Commercial
      • VRF Systems
      • HVAC Design & Build
      • HVAC Install/Replacement
      • Maintenance & Repairs
      • Ductwork Installation
      • Controls & Commissioning
    • Promotions
R.J. Mechanical, Inc.
  • Home
  • About Us
  • Contact
  • Residential
    • Furnaces
    • Air Conditioning
    • Ductless Mini Splits
    • Indoor Air Quality
    • Heat Pumps
    • Smart Thermostat
  • Commercial
    • VRF Systems
    • HVAC Design & Build
    • HVAC Install/Replacement
    • Maintenance & Repairs
    • Ductwork Installation
    • Controls & Commissioning
  • Promotions

Commercial HVAC Services

FREE QUOTE

Complete Commercial HVAC Solutions Built for Performance

RJ Mechanical provides full-service commercial HVAC solutions for businesses, property managers, and facility operators throughout Northern California. With over 35 years of experience and a fully union-trained workforce, we handle projects of all sizes, from ongoing service and maintenance to complex system design and large-scale retrofit installations.


Our in-house team allows us to maintain quality control, reduce project timelines, and deliver dependable, cost-effective solutions.


Commercial Services Include:


  • HVAC System Design & Build Services
     
  • Commercial HVAC Installation & Replacement
     
  • Service, Maintenance & Emergency Repairs
     
  • Ductwork Fabrication & Installation
     
  • Retrofit & Building Upgrade Projects
     
  • Controls, Commissioning & Integration
     
  • VRF (Variable Refrigerant Flow) Systems


Looking for more details? Click on any service to view a full breakdown and learn how RJ Mechanical can support your needs.

Why Choose RJ Mechanical for Commercial HVAC?

  • Union contractor with certified, manufacturer-trained technicians
     
  • Specialists in high-efficiency and VRF systems
     
  • In-house design, fabrication, installation, and service
     
  • Proven energy-saving solutions for long-term cost reduction
     
  • Trusted commercial partner for reliability and performance

GET A FREE QUOTE

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License No.  856063


Call Us Today 707.792.6840

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