Specializing in Residential, Commercial & Industrial Heating and Air Conditioning
BUILT ON EXPERIENCE. DRIVEN BY QUALITY. COMMITTED TO COMFORT
About RJ Mechanical
RJ Mechanical is a union HVAC contractor proudly serving Northern California with more than 35 years of experience in mechanical system construction, repair, and maintenance. Based in Cotati, we provide trusted heating, cooling, and air quality solutions for both commercial and residential clients, delivering comfort you can rely on, today and for years to come.
Being a union contractor is a commitment to excellence.
A Union Contractor You Can Trust
Our union affiliation ensures our technicians, installers, and support staff are among the most highly trained and qualified professionals in the industry. Through ongoing manufacturer training and rigorous safety programs, our team continually sharpens their expertise on HVAC technologies, codes, and best practices.
One Team. Complete HVAC Solutions.
At RJ Mechanical, we have the in-house personnel to handle your HVAC needs from start to finish. Our team includes experienced technicians, installers, and dedicated support staff, allowing us to address service-related issues quickly and efficiently without relying heavily on outside contractors.
This integrated approach means:
- Faster response times
- Greater consistency and accountability
- Reduced costs passed on to our customers
Most importantly, it allows us to deliver dependable, long-term solutions, not short-term fixes.
Reliable HVAC Services by R.J. .Mechanical, Inc.
Commercial HVAC
- Ductwork fabrication and installation
- Design-build services
- New construction and retrofit projects
- System design, installation, commissioning, and control integration
For our full list of offerings, click here
Residential Heating Solutions
- Furnace installation, maintenance, repair, and replacement
- Heat pump systems for efficient year-round comfort
- Ductless mini-split heating solutions
For our full list of offerings, click here
Residential Cooling Solutions
Residential Cooling Solutions
- Air conditioning installation, maintenance, repair, and replacement
- Heat pump installation, maintenance, repair, and replacement
- Ductless mini-split installation, maintenance, repair, and replacement
For our full list of offerings, click here
Our Partners
