Southern California Commercial Mechanical & Chiller Service Locations
Under 2-hour 24/7 emergency union dispatch from our Acton headquarters (2210 Soledad Canyon Rd, Suite O) across 27+ major Southern California industrial municipalities and regional basins.
Directory Engineering Overview
Western Mechanical, Inc. (Founded 1991, CSLB #618138: C-20 HVAC, C-38 Refrigeration, C-4 Boilers & Steamfitting) dispatches 100% UA Local 250 signatory union journeymen across Los Angeles County, Santa Clarita, Antelope Valley, San Fernando Valley, San Gabriel Valley, South Bay, Orange County, Inland Empire, and Ventura County with a <2-hour 24/7 emergency SLA. Call (661) 251-0111.
Primary Local Dispatch Hubs & Regional Basins
- Commercial Chiller, Boiler & Industrial HVAC Santa Clarita & Valencia — 24/7 commercial HVAC, chiller, C-4 boiler & cleanroom repair in Santa Clarita & Valencia CA. 15 min from Acton HQ. UA Local 250, CSLB #618138: (661) 251-0111.
- Commercial HVAC, Chiller & C-4 Boiler Contractor Palmdale & Lancaster — 24/7 commercial HVAC, industrial chiller, RTU & C-4 boiler contractor in Palmdale & Lancaster CA. Local Acton HQ (CSLB #618138, UA Local 250): (661) 251-0111.
- Commercial Chiller Plants & Central Plant Maintenance Los Angeles — Emergency commercial chiller repair, cooling tower overhauls & central plant HVAC in Los Angeles. 100% UA Local 250 union journeymen. 24/7 dispatch: (800) 585-5085.
- Biotech Cleanroom & Critical Facility HVAC Orange County — Precision cleanroom HVAC, hospital cooling & commercial central plant engineering in Irvine & Orange County. UA Local 250 certified. 24/7 dispatch: (800) 585-5085.
- Aerospace & Defense Critical Facility HVAC Antelope Valley — Critical facility HVAC, cleanroom cooling & industrial chillers for aerospace & defense contractors in Palmdale & Lancaster. 24/7 dispatch: (800) 585-5085.
- Industrial Cold Storage & Logistics Facility HVAC Inland Empire — Commercial refrigeration, industrial cold storage & mega-warehouse HVAC in Ontario, San Bernardino & Riverside. 24/7 emergency dispatch: (800) 585-5085.
- Entertainment Studio & Broadcast Central Plant HVAC San Fernando Valley — Ultra-quiet NC-25 studio HVAC, broadcast central plant maintenance & hospital cooling in Burbank, Glendale & Studio City. 24/7 dispatch: (800) 585-5085.
Los Angeles County (Media District)
- Commercial Chiller, Studio HVAC & Boiler Repair Burbank CA — Expert commercial chiller, studio HVAC, and boiler repair in Burbank, CA, serving media, medical, and industrial sectors. CSLB #618138. (661) 251-0111.
Los Angeles County (Verdugo Corridor)
- Hospital Chiller & Boiler Service Glendale, CA — Expert commercial HVAC, chiller, and boiler service in Glendale, CA for hospitals & high-rises. HCAI compliant. CSLB #618138. (661) 251-0111.
Los Angeles County (West SGV)
- Pasadena Commercial Chiller, Lab Cleanroom & C-4 Boiler Service — Expert commercial chiller, biotech cleanroom, and C-4 boiler service in Pasadena, CA, including HCAI facilities. Western Mechanical, Inc. CSLB #618138. (661) 251-0111.
Los Angeles County (DTLA Metro)
- DTLA High-Rise Chiller Plant, Cooling Tower & C-4 Boiler Contractor — Expert DTLA high-rise chiller plant, cooling tower, and C-4 boiler services for 30-70 story buildings. Crane rigging & LADWP efficiency. (661) 251-0111
Los Angeles County (San Fernando Valley)
- Industrial HVAC, Process Chiller & RTU Repair Van Nuys & Chatsworth — Expert industrial HVAC, process chiller, and RTU repair in Van Nuys & Chatsworth, CA. Specializing in aerospace, pharma, and aviation facilities. CSLB #618138. (661) 251-0111.
Los Angeles County (West SFV)
- Commercial Chiller, BAS & High-Rise HVAC Woodland Hills & Warner Center — Expert commercial chiller, BAS, and high-rise HVAC services for Woodland Hills & Warner Center. Optimize efficiency in 112°F thermal peaks. CSLB #618138. (661) 251-0111.
Los Angeles County (South Bay Aerospace)
- Aerospace Cleanroom, Data Center & Chiller HVAC El Segundo CA — Western Mechanical, Inc. provides ISO 14644 cleanroom HVAC, data center CRAC/chiller plants, and marine-grade condenser protection for El Segundo aerospace facilities. CSLB #618138. (661) 251-0111.
Los Angeles County (Harbor Industrial)
- Industrial Chiller, Process Cooling & C-4 Boiler Service Torrance & Carson — Western Mechanical, Inc. provides expert industrial chiller, process cooling, and ASME C-4 boiler services in Torrance & Carson for heavy manufacturing. CSLB #618138. (661) 251-0111.
Los Angeles County (Gateway Coast)
- Commercial Chiller, Cold Storage & Hospital HVAC Long Beach CA — Western Mechanical, Inc. provides expert commercial chiller, cold storage, and hospital HVAC services in Long Beach, CA. CSLB #618138. (661) 251-0111.
Los Angeles County (Central Industrial)
- Industrial Refrigeration & Steam Boiler Services: Vernon & Commerce — Specialized industrial refrigeration (C-38) and high-pressure culinary steam boiler (C-4) services for USDA food processing and cold storage in Vernon & Commerce. CSLB #618138. (661) 251-0111.
Los Angeles County (East SGV Industrial)
- Process Chiller, Industrial Boiler & RTU Service City of Industry & Santa Fe Springs — Western Mechanical, Inc. provides expert process chiller, industrial boiler, and RTU services for plastics, bottling, and food-grade steam in City of Industry & Santa Fe Springs. CSLB #618138. (661) 251-0111.
Orange County (Life Sciences Hub)
- Biotech Cleanroom, Lab Exhaust & Chiller Service Irvine CA — Specialized HVAC, chiller, and lab exhaust services for ISO Class 5-8 cleanrooms and UCI Health in Irvine, CA. CSLB #618138. (661) 251-0111.
Orange County (North/Central OC)
- Central Chiller, Cooling Tower & C-4 Boiler Service Anaheim & Orange CA — Expert central plant chiller, cooling tower, and C-4 boiler service in Anaheim & Orange, CA for hospitals & resorts. CSLB #618138. (661) 251-0111.
Orange County (South Coast Metro)
- Commercial Chiller, Tower HVAC & BAS Contractor Santa Ana & Costa Mesa — Western Mechanical, Inc. provides expert commercial chiller, cooling tower, and Tridium BAS services for Santa Ana & Costa Mesa facilities. CSLB #618138. (661) 251-0111.
San Bernardino County (West End IE)
- Industrial Cold Storage & Chiller Repair in Ontario & Rancho Cucamonga — Western Mechanical, Inc. provides C-38 cold storage, chiller, and RTU repair for Ontario & Rancho Cucamonga industrial facilities, including ONT cold-chain hubs. CSLB #618138. (661) 251-0111.
San Bernardino County (I-10/I-215 Industrial)
- Industrial Boiler, Process Chiller & HVAC Fontana & San Bernardino — Western Mechanical, Inc. provides expert industrial boiler, process chiller, and HVAC services for Fontana & San Bernardino heavy manufacturing & trauma hospitals, ensuring SCAQMD Rule 1146 compliance. CSLB #618138. (661) 251-0111.
Riverside County (SR-91 Corridor)
- Commercial Chiller, Hospital HVAC & Boiler Service in Riverside & Corona — Western Mechanical, Inc. delivers expert commercial chiller, hospital HVAC, and boiler service across Riverside & Corona, CA, including UCR central plants. CSLB #618138. (661) 251-0111.
Ventura County (Biotech Corridor)
- GMP Biotech Cleanroom Chiller & Lab Boiler HVAC in Thousand Oaks, CA — Western Mechanical, Inc. provides cGMP biotech cleanroom HVAC, WFI/clean-steam C-4 boilers, and HEPA air handler services in Thousand Oaks, CA. CSLB #618138. (661) 251-0111.
Ventura County (101 Coastal Plain)
- Industrial Refrigeration, Chiller & Hospital HVAC Oxnard, Camarillo & Ventura — Specialized industrial refrigeration, chiller, and hospital HVAC services in Oxnard, Camarillo, & Ventura. CSLB #618138. (661) 251-0111.
Kern County (High-Desert Aerospace)
- Aerospace Process HVAC, Chiller & C-4 Boiler Service Mojave & Edwards CA — Specialized HVAC, chiller, and C-4 boiler services for aerospace and industrial facilities in Mojave & Edwards AFB. Western Mechanical, Inc. CSLB #618138. (661) 251-0111.
Directory & Southern California Engineering FAQs
Where is Western Mechanical, Inc. headquartered and how fast is 24/7 emergency dispatch across Southern California?
Western Mechanical, Inc. operates from 2210 Soledad Canyon Road, Suite O, Acton, CA 93510 (CSLB #618138, 100% UA Local 250 union) with staged GPS-routed mobile union service trucks providing 30–60 minute arrival in Santa Clarita/Valencia & Palmdale/Lancaster and a <2-hour 24/7 emergency SLA across Los Angeles, Orange County, Ventura, and the Inland Empire.
Which Southern California AQMD and utility jurisdictions do your municipal service teams cover?
Our C-20, C-38, and C-4 journeymen execute code-compliant mechanical service and rebate engineering across South Coast AQMD (LA, OC, IE), Antelope Valley AQMD, Mojave Desert AQMD, and Ventura County APCD—covering LADWP, SCE, SoCalGas, Burbank Water & Power, Glendale Water & Power, Pasadena Water & Power, and Anaheim Public Utilities.
Do you service residential air conditioners or strictly commercial, institutional, and industrial facilities?
Western Mechanical, Inc. is 100% dedicated to commercial, industrial, municipal, aerospace, cold-storage, data center, and HCAI hospital mechanical infrastructure—specializing in 25-to-3,500+ ton chillers, C-4 steam/hydronic boilers, cooling towers, custom AHUs, and Niagara N4 building automation.
Acton Headquarters & 24/7 Southern California Dispatch
Western Mechanical, Inc. • 2210 Soledad Canyon Road, Suite O, Acton, CA 93510 • Primary Phone: (661) 251-0111 • 24/7 Toll-Free: (800) 585-5085 • CSLB #618138 (C-20, C-38, C-4)