Commercial Projects

Commercial Projects

Serving Customers in San Rafael, Marin County & the Bay Area Since 1984

Berkeley - CA

Installation of kitchen exhaust for food court; multiple restaurant area, grease duct for exhaust, fire rated access doors, Carrier rooftop package units, ductwork, registers/grills and controls.

Larkspur - CA

Installation of Reznor packaged duct furnace and Reznor high efficiency condensing unit.

  • Custom fabricated GSM ductwork
  • Flexible connector
  • Turning vanes
  • Controls and ventilations

Nicasio - CA

Installation of York HVAC & Ventilation with all new supply /return ductwork, Shoemaker air distribution, Honeywell controls with locking thermostat covers, Loren Cook ventilation and Panasonic exhaust fans.

Novato - CA

Installation of multiple Day & Night rooftop package units with spiral ductwork, Titus diffusers, Fujitsu fan coil units, Day & Night condensing units, Loren Cook exhaust fans, Ruskin louvers, dampers & actuators.

Petaluma - CA

Removal of existing heating equipment, installation of new Trane rooftop package units, Honeywell controls, spiral ductwork, Shoemaker air distribution, Continental fan for exhaust.

San Mateo - CA

Supply and installation of new Enmet ISA controls and EC-Gold CO2 sensors for parking garage.

Why Choose Us?

Our Hard Work, Commitment & Honesty
  • Family-Owned & Operated
    We are proud to be a family company. Most of our employees have been with us for many years.
  • Comfort & Efficiency

    We work with all makes and models of equipment to achieve the perfect solution for your needs.

  • 40+ Years of Experience

    Patriot Mechanical has proudly served San Rafael and surrounding areas for over 40 years.

  • Residential & Commercial
    Our skilled technicians specialize in residential and commercial services.
  • 24/7 Emergency Services
    Some things can't wait. That's why we offer 24/7 emergency services.
  • Hablamos Español
    Work with an experienced technician who speaks your language.
Get Started Today
Request a Free Estimate
What can we help you with? Select a service below to learn more
Designed for life, inside and out.

Mitsubishi Electric is a leading provider of HVAC systems in the United States. Learn how we can help you.

We Service All Makes & Models Our skilled team can handle any HVAC system
Get Started

Contact Us

Free Estimates Available!
  • Please enter your first name.
  • Please enter your last name.
  • Please enter your phone number.
    This isn't a valid phone number.
  • Please enter your email address.
    This isn't a valid email address.
  • Please lookup your address.
  • Please make a selection.
  • Please enter a message.
  • By submitting, you agree to be contacted about your request & other information using automated technology. Message frequency varies. Msg & data rates may apply. Text STOP to cancel. Acceptable Use Policy

Top-Rated REVIEWS

Patriot Mechanical is Committed to Your Satisfaction
    “They get the job done right”
    “Great guys to work with. Easy going. They get the job done right.”
    - Dave J.
    “Friendly, efficient, and knowledgeable”
    “Julian was friendly, efficient, and knowledgeable. He determined that our upstairs thermostat (which was replaced by a friend) was not installed properly. Julian was an excellent technician. I would definitely use Patriot Mechanical again.”
    - Teri P.
    “Very informational and professional”
    “I called Patriot Mechanical to check out my HVAC system that was not working and Miguel came out here and got my system running! Very informational and professional. This company is great.”
    - Alex L.
    “Very happy with their service”
    “My AC broke down and I called 6 other companies hoping someone could come out. Patriot Mechanical picked up and came to our house early in the morning. Julian was awesome and friendly. He fixed our AC and thoroughly explained what caused the issue.”
    “Very prompt service”
    “Very prompt service and very quickly performed! We called them to service a heat pump and replace a faulty capacitor. Everything was done in under 45 minutes!”
    - Edward W.
    “Highly recommend their services”
    “My wife and I have used Patriot Mechanical for years. Time and time again their team is quick to respond and resolve our HVAC problems. I would highly recommend their services.”
    - Mike C.
    “Responsive and knowledgeable”
    “Love everyone here, great business! I own Hayes Valley Medical & Esthetics and they equipped both our offices with air scrubbers. My clients and staff are now working in a safer filtered environment. I highly recommend the maintenance plan.”
    - Michele B.
    “Patriot Mechanical is the very best”
    “Patriot Mechanical is the very best HVAC repair and installation shop I have ever used. My old company went out of business a few years ago and I have not been satisfied with any other company I have tried. These people are the best!”
    - Anthony E.
    “Arrived in a half hour”
    “Our heat went out and they had a technician out here in a half hour and had us up and running within the hour. Our system is a bit complicated and they were able to analyze the situation and figure out the right thing to do. Highly recommend this company.”
    - Debbie G.