United Mechanical: HVAC and Plumbing Experts in Rohnert Park, CA

For over two decades, United Mechanical has been a trusted name for heating, cooling, and plumbing systems in Northern California. Based in Rohnert Park, CA, they focus on commercial and industrial projects, bringing reliable climate control and water systems to businesses and large properties across the region.

Business Overview

United Mechanical offers full-service HVAC and plumbing solutions. They are available 24/7 for emergency repairs, so clients never have to wait when a system fails. Their team of skilled technicians and project managers handles everything from initial design to final construction and ongoing maintenance. While they specialize in commercial work, their expertise also supports complex residential needs in larger properties.

Key Services

The company provides a complete range of mechanical services tailored to local needs.

  • HVAC Systems: Design, installation, retrofit, and repair for heating and air conditioning. They build systems that handle Sonoma County's warm summers and cool, damp winters efficiently.
  • Plumbing Systems: Full plumbing construction, inspection, and repair for commercial buildings and industrial facilities.
  • Energy-Efficient Upgrades: Retrofitting older systems to save on energy costs and improve indoor air quality, a common concern in many local commercial buildings.
  • 24/7 Emergency Service: Fast response for urgent HVAC or plumbing failures to minimize business downtime.

Areas Served

United Mechanical serves a wide area across Sonoma and Napa counties. You can find them working in Petaluma CA, Rohnert Park CA, Windsor, Healdsburg, Sebastopol, Saint Helena, Calistoga, and many surrounding communities. Their teams know the local building styles and climate challenges well, from winery facilities to downtown commercial spaces.

Company History

Founded in 2003 by Tom Sosine and Jon Gundersen, United Mechanical started with a simple idea: treat every client and project as the most important one. Growing from a small operation, they are now consistently ranked among the top five mechanical contractors in the region by revenue. Their growth is built on lasting relationships and technical skill.

Leadership

The founders, Tom and Jon, have deep roots in the local construction industry. Their hands-on approach and community involvement have helped United Mechanical become a preferred partner for major general contractors and property managers throughout the Bay Area. They are often involved in projects that shape the local landscape.

Specialties & Highlights

What makes United Mechanical in Rohnert Park, CA stand out?

  • Focus on Sustainability: They design systems to meet high standards like LEED Platinum and WELL Building Certification, helping properties reduce environmental impact.
  • Technical Expertise: They take on some of the area's most complex and high-profile mechanical projects.
  • Proven Scale: Their annual revenue and project portfolio show they can reliably manage large, demanding jobs.
  • Client-Centered Philosophy: Every project gets focused attention, a principle held since day one.

Why Locals Choose United Mechanical

Businesses and property managers in Sonoma County turn to United Mechanical for a few clear reasons. They offer reliable, round-the-clock emergency service. Their work emphasizes quality and energy efficiency, which matters in a community focused on sustainability. Having been established in 2003, they have a long track record you can trust. For commercial HVAC and plumbing needs in Rohnert Park, CA and beyond, United Mechanical delivers the expertise and dependability that local projects require.

Contact Information

United Mechanical

: 6115 State Farm Dr Unit A1, Rohnert Park, CA 94928

: (707) 796-7400

: https://www.umi1.com

Business Services

  • Plumbing inspection

Business Location & Hours



Mon:7:00 AM - 4:00 PM
Tue:7:00 AM - 4:00 PM
Wed:7:00 AM - 4:00 PM
Thu:7:00 AM - 4:00 PM
Fri:7:00 AM - 4:00 PM
Sat:Closed
Sun:Closed




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