Specializing in Residential, Commercial & Industrial Heating and Air Conditioning
With over 35 years of experience, we provide reliable, high-quality HVAC solutions for residential and commercial needs.
Built on Experience. Driven by Quality. Committed to Comfort.
Reliable HVAC Professionals
Proudly Serving Northern California
Proudly Serving Northern California
Whether you need a system upgrade, maintenance check or an emergency repair on a heating or cooling unit, we are available to handle all of your all of your heating, cooling, and ventilation needs. We strive to exceed your expectations by ensuring that each of our clients receives individualized service.
Proudly Serving Northern California
Proudly Serving Northern California
Proudly Serving Northern California
From residential homes to complex commercial facilities, RJ Mechanical is proud to serve communities throughout Northern California with union craftsmanship, modern technology, and unmatched service.
When you choose RJ Mechanical, you’re choosing experience, accountability, and a team committed to your comfort.
Customer Satisfaction Guaranteed
Proudly Serving Northern California
Customer Satisfaction Guaranteed
We serve commercial and industrial clients and offer a variety of money-saving solutions. We combine our use of the highest quality parts and equipment, and our dedication to delivering exceptional service to provide you with top quality service. Warranty included with all services.
Our Services
RJ Mechanical provides complete commercial and residential HVAC solutions for customers throughout Northern California. As a trusted union contractor with over 35 years of experience, we deliver expert system design, installation, maintenance, and repair services backed by highly trained technicians and proven workmanship.
From energy-efficient comfort systems for homes to advanced mechanical solutions for commercial facilities, our in-house team offers reliable service, modern technology, and long-term solutions designed to meet the unique needs of every space.
AC Installation
Ductless Mini Split Systems
AC Installation
We provide professional air conditioning installation services for residential and commercial properties. Our team will help you choose the right AC unit that fits your needs and budget. We also offer affordable financing options.
Heating Repair
Ductless Mini Split Systems
AC Installation
Our certified technicians are equipped to handle all types of heating repair services, including furnace repair, boiler repair, and heat pump repair. We offer prompt and efficient services to ensure your heating system is back up and running in no time.
Ductless Mini Split Systems
Ductless Mini Split Systems
Ductless Mini Split Systems
We specialize in ductless mini split system installation and repair services. These systems are an excellent alternative to traditional HVAC systems and offer energy-efficient heating and cooling solutions for your home or business.
Preventative Maintenance
Preventative Maintenance
Ductless Mini Split Systems
We offer comprehensive preventative maintenance plans to help you keep your HVAC system running smoothly and efficiently. Our plans include regular inspections, cleaning, and tune-ups to ensure that your system is in top-notch condition.
Commercial Refrigeration
Preventative Maintenance
Commercial Refrigeration
We specialize in commercial refrigeration services, including installation, repair, and maintenance of refrigeration systems for restaurants, supermarkets, and other commercial properties. Our team has the expertise to handle all types of refrigeration systems.
Air Quality Testing
Preventative Maintenance
Commercial Refrigeration
We offer professional air quality testing services to help you identify potential indoor air quality issues. Our team will provide you with a detailed report that outlines any issues and recommends solutions to improve your indoor air quality.
Our Partners
Your Trusted HVAC Partner for Home and Business
With over 35 years of experience, RJ Mechanical is a union HVAC contractor proudly serving Northern California’s residential and commercial communities. Our highly trained technicians deliver reliable, high-quality heating and cooling solutions backed by expert craftsmanship and guaranteed work you can trust.
R.J. .Mechanical, Inc. 6815 Redwood Drive, Ste. D Cotati, CA 94931 us
CALL (707) 792-6840