HVAC Contractor

Air Conditioning Contractor in Marin County, CA

5 specialized services available

We install, repair, and maintain central air conditioning systems, ductless mini splits, and rooftop package units. Our team designs and installs HVAC zoning systems and smart thermostats to maximize comfort and efficiency. We serve residential and commercial customers throughout Marin, Sonoma, and San Francisco counties.

Call (707) 541-6921
Services

Air Conditioning Contractor Services in Marin County, CA

We install, repair, and maintain central air conditioning systems, ductless mini splits, and rooftop package units. Our team designs and installs HVAC zoning systems and smart thermostats to maximize comfort and efficiency. We serve residential and commercial customers throughout Marin, Sonoma, and San Francisco counties.

A residential central air conditioning outdoor condenser unit installed on the side of a single-family home in Marin County, California. The unit sits on a concrete pad beside a wood-sided house with a hillside backdrop typical of the area.

Central Air Conditioning Installation

JM HVAC installs central air conditioning systems for homes across Marin County.

  • Even cooling in every room, no hot spots left behind
  • System sized by load calculation to match your home's actual cooling needs
  • Installation meets California Title 24 energy efficiency standards
Learn More
A JM HVAC technician inspecting the outdoor condenser unit of a central air conditioning system at a single-family home in Marin County, California. The image shows the technician checking internal components with tools during a repair visit on a clear summer day.

Central Air Conditioning Repair

JM HVAC repairs central air conditioning systems for homeowners across Marin County.

  • Restored cool airflow to every room served by your central system
  • Lower risk of a full system failure during Marin County's peak summer heat spikes
  • Reduced energy waste from a system that runs efficiently after repair
Learn More
A wall-mounted ductless mini split indoor unit installed in a room of an older single-family home in Marin County, California. The outdoor condenser unit is mounted on an exterior wall beside the home's siding.

Ductless Mini Split Installation

JM HVAC installs ductless mini split systems for Marin County homes that need efficient, zone-based comfort.

  • Heat and cool individual rooms without running a full central system
  • No ductwork required, which avoids major wall or ceiling demolition in older Marin homes
  • Inverter-driven technology adjusts output continuously, reducing energy use compared to single-stage systems
Learn More
A rooftop packaged HVAC unit mounted on a commercial flat roof in Marin County, California, with visible curb mounting hardware and connected ductwork. Coastal hills and overcast marine layer sky visible in the background.

Rooftop Unit Installation

JM HVAC installs rooftop units for commercial and residential properties across Marin County.

  • Rooftop placement keeps mechanical equipment off the ground, freeing interior and exterior space
  • Consolidated heating and cooling in one cabinet reduces the number of components to maintain
  • Proper load calculation prevents oversizing, which lowers energy waste and humidity problems indoors
Learn More
A JM HVAC technician inspecting an outdoor air conditioning condenser unit at a single-family home in Marin County, California. The technician checks coil and refrigerant connections during a pre-summer maintenance visit.

Air Conditioning Maintenance

JM HVAC provides air conditioning maintenance for Marin County homeowners who want reliable cooling before summer heat arrives.

  • Catches low refrigerant and dirty coils before they cause a full system failure during peak heat
  • Reduces energy use by keeping components clean and running at rated capacity
  • Extends the working life of your AC unit by preventing wear from deferred service
Learn More

We Serve

Why Choose Us

What sets us apart for Air Conditioning Contractor

Licensed HVAC Contractor

24/7 Emergency Service

Residential and Commercial Specialist

10+ Years Bay Area Experience

Full System Installation and Repair

Ready to get started?

Seen the work. Ready to talk about your project?

Call (707) 541-6921
FAQ

Common Questions About Air Conditioning Contractor in Marin County, CA

Straight answers to the questions homeowners ask before hiring a local contractor.

We install central air conditioning, ductless mini splits, and rooftop package units for homes and businesses.

Yes, we repair central air systems for residential and commercial properties in Marin, Sonoma, and San Francisco counties.

A ductless mini split provides cooling and heating without ductwork. It's ideal for homes without existing ducts or for zone cooling.

Yes, we install and program thermostats and control systems for better comfort and energy efficiency.

Still have questions?

Call us directly. Real answers, no scripts.

Call (707) 541-6921
Client Reviews

What Sonoma County homeowners say.

5.0
3 Google reviews

Worked with us?

Leave a Review

Jeff was professional, on time, and explained everything clearly before starting the work. I finally feel like I found an HVAC tech I can trust.

Karen T. Google review

Our heating went out and JM HVAC got us taken care of quickly. Honest pricing and clean work. We won't call anyone else.

Marcus L. Google review

I've used JM HVAC twice now and the service has been consistent both times. Straightforward, knowledgeable, and easy to work with.

Diana R. Google review
Find Us

Proudly Based in Rohnert Park, CA

Stop by, call, or book online — we're always nearby when you need us.

Hours

  • Monday 5:00 AM - 6:00 PM
  • Tuesday 5:00 AM - 6:00 PM
  • Wednesday 5:00 AM - 6:00 PM
  • Thursday 5:00 AM - 6:00 PM
  • Friday 5:00 AM - 6:00 PM
  • Saturday 7:00 AM - 5:00 PM
  • Sunday 7:00 AM - 5:00 PM

Schedule a Free Inspection