HVAC Contractor

HVAC Contractor in Marin County, CA

5 specialized services available

JM HVAC provides complete HVAC solutions including installation, repair, maintenance, and emergency service. We handle furnaces, heat pumps, central air conditioning, ductless mini splits, rooftop units, and boiler systems. Whether you need routine maintenance or urgent repairs, our team keeps your property comfortable year-round.

Call (707) 541-6921
Services

HVAC Contractor Services in Marin County, CA

JM HVAC provides complete HVAC solutions including installation, repair, maintenance, and emergency service. We handle furnaces, heat pumps, central air conditioning, ductless mini splits, rooftop units, and boiler systems. Whether you need routine maintenance or urgent repairs, our team keeps your property comfortable year-round.

A newly installed HVAC system on the exterior of a single-family home in Marin County, California. The unit is mounted on a concrete pad beside the house with copper refrigerant lines running to the interior air handler.

HVAC Installation

JM HVAC installs heating and cooling systems for homes across Marin County.

  • Right-sized equipment matched to your home's square footage, insulation, and local microclimate
  • Lower monthly energy use from a properly installed, high-efficiency system
  • Improved indoor air quality with correct airflow and ventilation from day one
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A technician inspecting an outdoor HVAC condenser unit at a single-family home in Marin County, California. The unit shows signs of coastal weathering, with the technician checking coil and electrical connections during a repair visit.

HVAC Repair

JM HVAC provides residential HVAC repair across Marin County for heating and cooling systems.

  • Coastal corrosion and salt-air damage identified before they cause full system failure
  • Root-cause diagnosis reduces the chance of repeat breakdowns
  • Older Marin County homes get repairs matched to their specific system age and layout
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A JM HVAC technician inspecting and cleaning the outdoor condenser unit of a residential HVAC system in Marin County, California. The unit sits beside a single-family home with coastal hillside landscaping visible in the background.

HVAC Maintenance

JM HVAC provides professional HVAC maintenance for homeowners across Marin County.

  • Cleaner coils and calibrated controls reduce monthly energy use
  • Catching worn parts early prevents larger repair bills later
  • Coastal salt air and moisture are addressed before they corrode outdoor unit components
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A licensed HVAC technician inspecting an outdoor condenser unit at a residential property in Marin County, California. The unit shows signs of coastal corrosion on the coil fins, with a hillside neighborhood visible in the background.

Emergency HVAC Repair

JM HVAC provides emergency HVAC repair across Marin County for heating and cooling systems that stop working.

  • Failed heating or cooling gets diagnosed at the source, not patched over
  • Coastal humidity and salt air damage to coils and components is identified before it spreads
  • Older Marin County homes with non-standard systems get repairs from a technician who knows mixed equipment types
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A newly installed HVAC outdoor condenser unit positioned beside a single-family home in Marin County, California. The surrounding landscape shows the area's characteristic coastal vegetation, with the system cleanly mounted on a level pad against the exterior wall.

HVAC System Replacement

JM HVAC provides full HVAC system replacement for homes across Marin County.

  • Right-sized system matched to your home's specific Marin County microclimate
  • Lower monthly energy use compared to an aging, inefficient system
  • Improved indoor air quality with properly filtered, conditioned airflow
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We Serve

Why Choose Us

What sets us apart for HVAC 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 HVAC Contractor in Marin County, CA

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

We provide installation, repair, and maintenance for furnaces, heat pumps, central air, ductless mini splits, and boiler systems. Emergency repairs are available.

Yes, we serve homeowners and businesses throughout Marin, Sonoma, and San Francisco counties.

Yes, we offer emergency repair service. Call us at (707) 541-6921 for urgent issues.

Contact us right away at (707) 541-6921. We handle emergency furnace repairs for residential and commercial customers.

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