United Mechanical Contractors

794 E Los Angeles Ave, Simi Valley, CA

RTUAHUChilled Water/ChillerCooling TowerBoilerSplit System

Commercial Capabilities

24/7 AvailabilityNo

Multi-Site CoverageAvailable

Quick Answers

How do I choose a reliable commercial HVAC contractor in Simi Valley?

United Mechanical Contractors holds California General Contractor License #759496 (B) and C-20 HVAC license, carries SBE and SBE Micro certifications, and maintains a .84 EMR safety rating — key credentials to verify when selecting a commercial HVAC contractor in Simi Valley. Facility managers should also confirm union affiliation, DIR registration, and a documented portfolio with institutional clients, all of which United Mechanical Contractors provides.

Does United Mechanical Contractors offer commercial HVAC duct cleaning?

Duct cleaning is not listed among United Mechanical Contractors' verified services; their documented scope covers rooftop units, air handling units, chilled water and chiller systems, cooling towers, boiler systems, and split systems. Facility managers should contact United Mechanical Contractors directly to ask whether duct cleaning can be accommodated on a project basis.

Does United Mechanical Contractors service and repair commercial rooftop units (RTUs)?

United Mechanical Contractors services and repairs commercial rooftop units (RTUs) and has completed RTU replacement projects for the Los Angeles Community College District, including the documented replacement of rooftop HVAC at Redwood Hall (LATTC). Their RTU work spans educational institutions, office buildings, healthcare facilities, and other commercial building types across Southern California.

About

United Mechanical Contractors is a union-affiliated commercial HVAC and mechanical general contractor based in Simi Valley, CA, serving Los Angeles County, Ventura County, Santa Barbara, Riverside, Orange County, and surrounding areas within a 25-mile service radius and beyond for multi-site accounts. The company holds California licenses B (General) #759496 and C-20 (HVAC), DIR Registration #1000004362, and SBE and SBE Micro certifications under DGS #1048929. Union affiliations include SMART Local 105 (Sheet Metal Workers, Los Angeles), SMART Local 104 (Ventura County), and Painters and Allied Trades Local 36 (Los Angeles), which supports consistent craft standards across project sites. United Mechanical Contractors' verified portfolio includes prime contractor and subcontractor roles with the Los Angeles Community College District, Simi Valley Unified School District, UCLA Santa Monica Hospital, LAX, JPL Jet Propulsion Laboratory, the Port of LA, Port of Long Beach, Baxter Laboratories, and the DWP. General contractor partners have included Kiewit, Walsh, Obayashi, and Shimmick Construction, reflecting the company's capacity for complex, institutionally regulated projects. Facility and property managers overseeing educational institutions, healthcare facilities, data centers, government buildings, industrial and warehouse facilities, or office buildings can engage United Mechanical Contractors for rooftop units, air handling units, chilled water and chiller systems, cooling towers, boiler systems, and split systems. The company reports a .84 EMR safety rating, maintained through weekly safety meetings and job hazard analyses, which is a material factor for facilities with strict safety compliance requirements.

Frequently Asked Questions

What licenses and certifications does United Mechanical Contractors hold?

United Mechanical Contractors holds California General Contractor License #759496 (B) and C-20 (HVAC), DIR Registration #1000004362, and SBE and SBE Micro certifications (DGS #1048929). These credentials make the company eligible for public works and institutionally regulated projects across California.

Which building types does United Mechanical Contractors serve?

United Mechanical Contractors services educational institutions, healthcare facilities, government buildings, office buildings, industrial and warehouse facilities, and data centers. Their documented client list includes a college district, a K-12 school district, a university hospital, an international airport, and federal research facilities.

Can United Mechanical Contractors handle multi-site commercial HVAC projects?

Yes, United Mechanical Contractors offers multi-site coverage and has established partnerships with large institutional clients such as the Los Angeles Community College District and the Simi Valley Unified School District. Their service area spans Los Angeles County, Ventura County, Santa Barbara, Riverside, and Orange County.

What is United Mechanical Contractors' safety record, and why does it matter for facility managers?

United Mechanical Contractors maintains a .84 EMR (Experience Modification Rate), achieved through weekly safety meetings and job hazard analyses (JHAs). For facility managers at healthcare, government, or data center sites with strict safety compliance requirements, a sub-1.0 EMR is often a prequalification threshold for contractor approval.

What union affiliations does United Mechanical Contractors carry, and does that affect project bidding?

United Mechanical Contractors is affiliated with SMART Local Union 105 (Sheet Metal Workers, Los Angeles), SMART Local Union 104 (Ventura County), and Painters and Allied Trades Local Union 36 (Los Angeles). Union affiliation is frequently required on public works and prevailing-wage projects, making United Mechanical Contractors eligible to bid on government and institutional contracts that non-union contractors cannot pursue.

Equipment & Systems

System Types Serviced

Rooftop Unit (RTU)Air Handling Unit (AHU)Chilled Water / ChillerCooling TowerBoilerSplit System

Building Types Served

Education / Campus

Healthcare / Medical

Government / Municipal

Office Building

Industrial / Warehouse

Data Center

Operating Hours

Monday	6:00 AM – 5:00 PM
TuesdayToday	6:00 AM – 5:00 PM
Wednesday	6:00 AM – 5:00 PM
Thursday	6:00 AM – 5:00 PM
Friday	6:00 AM – 5:00 PM
Saturday	Closed
Sunday	Closed