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Sonoma County’s Trusted HVAC Experts

Local. Transparent. Built for Comfort.

From new construction high-end homes to residential remodels, mechanical design to custom sheet metal, heat pumps to mini-splits — Monaco Mechanical delivers full-service heating & cooling solutions with honesty, craftsmanship, and energy-smart innovation.

Your Trusted Local Partner in Heating, Cooling & Custom Mechanical Solutions

At Monaco Mechanical, we’re more than just your neighborhood HVAC contractor — we’re your full-service partner in comfort, efficiency, and mechanical innovation. Whether you’re upgrading your home for energy savings or building from the ground up, our team brings decades of experience, integrity, and craftsmanship to every project.

We specialize in mechanical design, new construction systems, heat pumps and fan coils, mini-split installations, energy-efficient upgrades, furnace replacements, and in-house sheet metal fabrication — all tailored to meet your home’s unique needs.

As a Mitsubishi Diamond Dealer, TECH Clean California Participating Contractor, Sonoma Clean Power Preferred Contractor, and a Sonoma County Energy Independence Program affiliate, we’re deeply connected with the best incentive and rebate programs available. We also offer access to contractor-approved financing options, helping make your upgrades affordable and seamless.

Choosing Monaco Mechanical means keeping your business local, supporting a company built on transparency, accountability, and a true passion for quality HVAC work. From our straightforward estimate process to our customer satisfaction guarantee, we’re proud to offer a level of service that’s simply unmatched.

Let’s build comfort together — efficiently, locally, and with care.

We Won - Best of the North Bay: Heating and Air Contractor 2025 and 2024

Samples of Our Work

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Monaco Mechanical is proud to be partnered with Mitsubishi Electric and Trane as a

Mitsubishi Elite Diamond Dealer! 

Monaco Mechanical is also part of the following programs:

Sonoma Clean Power Preferred Contractor

Sonoma County Energy Independence Program affiliate

Clean Energy Connection Contractor

Tech Clean California program – HEEHRA

Go Green Financing Contractor

(Click each line item to be brought to that participating program’s website) 

WE WORK WITH THE FOLLOWING BRANDS

🗳🗳🗳 Don't Forget to Nominate your favorite Heating 🗳🗳🗳 Don't Forget to Nominate your favorite Heating and Air Contractor by November 8th for the Bohemian's Best of the North Bay

https://bohemian.com/best-of-ballot-sonoma/#/gallery?group=560618

 #bestofthenorthbay #heatingandairconditioning
Loading… 60% complete Three Mitsubishi Electric o Loading… 60% complete 
Three Mitsubishi Electric outdoor units are set on this new build, with one wired up and two waiting on electrical. The progress bar is filling up, and startup day is almost here ⚡
Stay tuned for 100% 👀
#MonacoMechanical #WorkInProgress #NewConstruction #MitsubishiElectric #SmartMulti #HeatPump #HVAC #SonomaCounty #SantaRosa
Best of the North Bay Nominations Are Here! It's Best of the North Bay Nominations Are Here!

It's that time of year again, and we'd love your support!

Monaco Mechanical has been honored to be voted Best of the North Bay for Heating & Air in 2024 and 2025, and we're hoping to make 2027 a win!
 https://northbaybohemian.secondstreetapp.com/og/216255ff-52af-4bf2-b9c2-69777daebfc7/gallery/562020649 

As a locally owned and operated business, your continued trust and support mean everything to us. We're incredibly grateful for our amazing customers, hardworking team, and the community we get to serve every day.

If we've helped keep your home or business comfortable, we'd love your nomination for Best Heating & Air Company!

Thank you for supporting local businesses and helping Monaco Mechanical continue to grow!

Monaco Mechanical | Your Comfort Is Our Priority

#BestOfTheNorthBay #MonacoMechanical #VoteLocal #HeatingAndAir #SonomaCounty NorthBay HVAC SupportLocal
Sleek Design. Year-Round Comfort. Mitsubishi Innov Sleek Design. Year-Round Comfort. Mitsubishi Innovation!

Looking for powerful heating and cooling without bulky wall-mounted units or ducting? 

Mitsubishi Electric's EZ FIT Ceiling Cassettes deliver the perfect combination of comfort, efficiency, and modern design.

✔ Heating & Cooling in One – Enjoy year-round comfort with one energy-efficient system.

✔ Discreet Ceiling Installation – A sleek, low-profile design that blends seamlessly into your space.

✔ Energy-Efficient Technology – Mitsubishi's advanced heat pump technology provides reliable, efficient comfort in every season.

✔ Rebates Available! – Qualifying systems may be eligible for valuable energy-efficiency rebates.

At Monaco Mechanical, we're proud to be a Mitsubishi Diamond Elite Contractor, bringing innovative heating and cooling solutions to homes throughout Sonoma, Marin, and Napa Counties.

Comfort shouldn't compromise your style.

Contact us today to explore your options, available rebates, and financing!

#MonacoMechanical #MitsubishiElectric #EZFIT #HeatPump #HeatingAndCooling #EnergyEfficiency #SonomaCounty #DiamondElite
🍂 Seasons change—and your comfort should change ri 🍂 Seasons change—and your comfort should change right along with them!

Cool mornings, warm afternoons, chilly nights… a Mitsubishi Electric heat pump can handle it all. One efficient system gives you both heating and cooling, automatically keeping your home comfortable through every Northern California season.

Thinking about upgrading your HVAC system? Now is a great time.

🍁 Mitsubishi Electric heating & cooling
💰 Rebates are still available
💳 Financing options available
🏡 Energy-efficient comfort, year-round
🔧 Installed by Monaco Mechanical

Get ahead of the colder weather and upgrade your home comfort today!

📞 Contact Monaco Mechanical for a free estimate and to learn which rebates you may qualify for.

#MonacoMechanical #MitsubishiElectric #HeatPump #HeatPumpUpgrade #EnergyEfficient #HomeComfort #HVAC #SantaRosa #SonomaCounty #MarinCounty #NapaCounty
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CONTACT

Monaco Mechanical
Casey Monaco
(707) 200-8067

Contact Us

PROUDLY SERVING

Residential & Commercial Properties
In Sonoma County & Marin County
Based in Santa Rosa, CA

Estimate Request

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