Industrial Refrigeration & Commercial HVAC

Chillers, Process Refrigeration and Boilers, installed and serviced. Commercial HVAC repairs and maintenance. Sonoma and Napa counties.

Lewis Mechanical service truck at a commercial equipment installation
Operating Since
2001
Projects Completed
Over 1,000
Maintenance Customers
130 plus
“They know the industry, understand the urgency when something goes wrong, and are always willing to help find a solution. I would highly recommend Lewis Mechanical to any winery or business looking for a dependable and knowledgeable team!”Amanda · Google review
“Lewis Mechanical sets the standard for all heating and cooling needs. Their techs are very experienced, efficient and thorough. Communication is great, Lewis is a 5 star operation!”Jeffrey · Google review
Read All Testimonials

“A huge thank you for getting the chiller running today!!! You really saved the day.”

Terry

“Please let Joe know that his reports are awesome, it really helps me understand what I am dealing with and makes decision making simpler.”

Guillermo

“Sam has been a great person to work with. He brings an incredible level of “pipefitter” craftsmanship and eye for perfection. Thank you for sharing him with us.”

Glenn

“Delia, you were my all time favorite person to call, and thanks for the good wishes.

Thank you for being so helpful as you made my job easier.

I’m sure this won’t be the last time you hear from me.”

Guillermo

“Joe showed up early, methodically evaluated the situation, talked me down (client management), focused his attention, and proceeded step-by-step. At each step, he clearly explained to me what was known and what was unknown, where there was uncertainty, and what the options were. He did absolutely everything that he could, based on what equipment he had on his truck, right down to the last, the ultimate, the fuse.

And it worked.

Joe could be an ER doc, but I am so glad that he does refrigeration for Lewis.”

Chris

Services

Chillers & Process Cooling

  • Glycol Chillers & Chilled Water
  • Pumps & Process Piping
  • New System Installation
  • Existing-System Upgrades
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Commercial HVAC

  • Heating & Cooling Repairs
  • Make-Up Air & Exhaust Fans
  • Rooftop Units & Split Systems
  • Ductless & VRF Systems
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Boilers & Hydronic Heating

  • Boilers
  • Hydronic Heating
  • Glycol Heating
  • Integrated Boiler Controls
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Refrigeration & Cold Storage

  • Cold Rooms
  • Walk-In Coolers & Freezers
  • Barrel Room Cooling
  • Reach-Ins
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Process Piping

  • Chilled Water & Glycol Piping
  • Wine Tank Piping
  • Process Piping to Equipment
  • Leak & Fitting Repairs
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Automation & Controls

  • Custom Control Panels
  • Remote Access
  • Temperature Monitoring
  • Historical Reports & Alarms
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CO2 Monitor Services

  • CO2 Monitor Installation
  • Calibration
  • Retrofits
  • Monitor Service & Repairs
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Maintenance & Service

  • Refrigeration Troubleshooting
  • Chiller & Boiler Repairs
  • Preventive Maintenance
  • After-Hours Service for Agreement Customers
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Rental Equipment

  • Air-Cooled Glycol Chillers
  • Chiller / Heaters
  • Glycol Unit Coolers
  • Boiler & Tank Packages
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Commercial HVAC Repairs & Maintenance

We work on Rooftop Units, Split Systems, Ductless, VRF, Make-Up Air and Exhaust equipment in offices, restaurants, retail, warehouses, production buildings and winery tasting rooms.

Our Clients

Did you know we offer rentals?

Chillers, Chiller / Heaters, Unit Coolers and Boiler packages, delivered and commissioned.

View Rental Equipment
Lewis Mechanical truck delivering a rental Chiller

Industries

Wineries

  • Glycol Chillers & Tank Piping
  • Barrel Room Cooling
  • Boilers & Hot Water
  • CO2 Monitors
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Industrial & Manufacturing

  • Process Chillers & Glycol Loops
  • Mold & Machine Cooling
  • Boilers & Process Heating
  • Production Space HVAC
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Cold Storage

  • Walk-In Coolers & Freezers
  • Refrigerated Storage Rooms
  • Refrigerated Packing Rooms
  • Condensing Units & Evaporators
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Commercial Buildings

  • Rooftop Units & Split Systems
  • Walk-In Coolers & Ice Machines
  • Boilers & Hot Water
  • Kitchen Hoods & Exhaust Fans
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Hotels

  • Boilers & Laundry Hot Water
  • Guest Room Fan Coils
  • Rooftop Units & Split Systems
  • Walk-In Coolers & Ice Machines
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Breweries & Distilleries

  • Glycol Chillers & Tank Piping
  • Walk-In Coolers
  • Boilers & Hot Water
  • Production & Taproom HVAC
View Services
Lewis Mechanical remote temperature Controls on a tablet

Automation &
Remote Controls

Our in-house team designs, builds and programs Control Systems for your equipment.

Remote browser access

Historical trends & reporting

Email alarm notifications

Explore Automation & Controls

Project Gallery

Meet the Lewis Mechanical Team

Nicole Lewis

Nicole Lewis

HR & Accounts

Greg Lewis

Greg Lewis

President

Delia Helling

Delia Helling

Service Coordinator / Office Manager

Darren McMillen

Darren McMillen

Estimator / Project Manager / Vice President

Stuart Lewallen

Stuart Lewallen

Purchasing Agent

Lewis Mechanical van and service truck parked beside a cooling tower
Lewis Mechanical van on a vineyard road on a foggy morning

Sonoma & Napa Counties

Lewis Mechanical Services, Inc. is based in Santa Rosa and has served businesses across Sonoma and Napa counties since 2001.

Request a Service or Quote

We’ll follow up to confirm the details and schedule a visit.

Equipment down or production affected?

After-hours service is for Maintenance & Service Agreement customers. Online requests are reviewed during office hours.

(707) 544-1277

How can we help?

Prefer to write a message or attach a file? Use our contact form.