Specialized Facility Corridors & OEM Mechanical Engineering Disciplines

Santa Clarita Industrial Zone

• Valencia Industrial Center & Rye Canyon Commercial HVAC & Chiller Service — Expert commercial HVAC, chiller, and boiler services for Valencia Industrial Center aerospace, cleanrooms & R&D facilities. CSLB #618138. (661) 251-0111.

Antelope Valley Defense Zone

• Palmdale Plant 42 Aerospace Hangar, Autoclave & Cleanroom HVAC — Specialized HVAC, cleanroom, and autoclave support for Palmdale Plant 42 aerospace contractors. Expert UA Local 250 technicians. (661) 251-0111 | CSLB #618138.

Westside LA High-Rise Corridor

• Century City & West LA High-Rise Chiller, Cooling Tower & BAS Service — Expert chiller, cooling tower, and BAS service for Century City & West LA high-rise central plants, including medical towers. CSLB #618138. (661) 251-0111.

LA Production & Media Corridor

• Hollywood & Culver City Sound Stage NC-20 Silent HVAC & Chiller Service — Western Mechanical, Inc. provides silent NC-20 HVAC, chiller, and displacement air handling for Hollywood & Culver City sound stages. CSLB #618138. (661) 251-0111.

Coastal Westside Tech & Medical

• Santa Monica & Playa Vista Medical, Lab & Data Center HVAC Service — Expert HVAC, refrigeration, and boiler services for Santa Monica/Playa Vista medical, lab, and data centers. Marine-air epoxy coils & Title 24 hydronics. (661) 251-0111

LAX Cargo & Aviation Zone

• LAX Air Cargo Cold-Chain Refrigeration & Hangar HVAC Service — Expert C-38 refrigeration for LAX air cargo cold-chain, pharma GDP vaults, and airline catering plants. 24/7 emergency service. (661) 251-0111

Tri-Cities Studio & Aviation Zone

• Burbank Media District & Empire Center Chiller & Cooling Tower Service — Expert chiller & cooling tower service for Burbank Media District, Empire Center, and high-density broadcast facilities. Centrifugal eddy-current testing & VFD retrofits. CSLB #618138. (661) 251-0111.

I-210 Biomedical & Cancer Research

• Duarte, Monrovia & Arcadia Hospital HCAI & Biotech Cleanroom HVAC — Specialized HCAI & cGMP HVAC for Duarte, Monrovia, Arcadia I-210 biomedical corridor hospitals & cleanrooms. ISO Class 5-7 HEPA air balancing. (661) 251-0111

East LA / West IE Food Corridor

• Pomona, Chino & Ontario Food-Grade Steam Boiler & Chiller Service — Western Mechanical, Inc. provides expert C-4 boiler and C-38 refrigeration service for food-grade steam and process chillers in Pomona & Chino. CSLB #618138. (661) 251-0111.

North OC / I-5 Industrial Belt

• Fullerton, Brea & La Mirada Process Chiller & Cold Storage HVAC — Western Mechanical, Inc. provides ±1°F process chiller, cold storage HVAC, and C-4 steam service for Fullerton, Brea & La Mirada manufacturing. CSLB #618138. (661) 251-0111.

West OC Aerospace & Healthcare

• Huntington Beach & Fountain Valley Aerospace, Cleanroom & Hospital HVAC — Specialized HVAC for Huntington Beach & Fountain Valley aerospace, cleanrooms, and hospitals. Expert BACnet BAS retrofits, coastal corrosion protection. CSLB #618138. (661) 251-0111.

South Orange County Medical & Tech

• Lake Forest, Foothill Ranch & Mission Viejo Biotech & Hospital HVAC — Western Mechanical, Inc. provides specialized HVAC for Lake Forest, Foothill Ranch & Mission Viejo biotech, cleanrooms, and hospitals. CSLB #618138. (661) 251-0111.

East Valley Healthcare Cluster

• Loma Linda & Redlands Hospital Central Plant HVAC — Expert central plant HVAC, N+1 centrifugal chillers, C-4 steam boilers, and ASHRAE 170 surgical air for Loma Linda & Redlands hospitals. CSLB #618138. (661) 251-0111.

I-215 Logistics & Cold Chain

• Moreno Valley & Perris Cold-Chain Refrigeration & Mega-Warehouse HVAC — Specialized HVAC & cold-chain refrigeration for 1M+ sq ft Moreno Valley & Perris logistics centers. Cal/OSHA §3396 compliance. (661) 251-0111

SR-118 Industrial Corridor

• Simi Valley & Moorpark Defense, CNC & Commercial Chiller/Boiler Service — Expert chiller, boiler, and process cooling service for Simi Valley & Moorpark defense, medical, and CNC manufacturing. CSLB #618138. (661) 251-0111.

North SFV / I-210 Industrial

• Sylmar & San Fernando Biomedical Cleanroom, Chiller & Boiler Service — Western Mechanical, Inc. provides biomedical cleanroom HVAC, chiller, and boiler service for Sylmar & San Fernando. CSLB #618138. (661) 251-0111.

Gateway Cities Healthcare & Civic

• Downey, Norwalk & Cerritos Hospital, Courthouse & Commercial Chiller Service — Expert chiller & boiler service for Downey, Norwalk, Cerritos healthcare & civic facilities. HCAI PIN 70 compliant mechanical upgrades. CSLB #618138. (661) 251-0111.

West San Gabriel Medical Corridor

• Alhambra & Monterey Park Hospital & Commercial HVAC Services — Expert acute-care hospital HVAC and R-22/R-123 chiller modernization in Alhambra & Monterey Park. Tridium Niagara N4 BAS unlocks. CSLB #618138. (661) 251-0111.

101 Tech & Corporate Corridor

• Calabasas, Agoura Hills & Westlake Corporate Campus Chiller & RTU Service — Western Mechanical, Inc. provides expert chiller, RTU, and VAV service for Calabasas/Agoura Hills corporate campuses, including wildfire smoke filtration. CSLB #618138. (661) 251-0111.

Southern California Logistics Airport

• Victorville (SCLA) & Hesperia Aviation, Industrial Chiller & Boiler Service — Expert industrial chiller & C-4 boiler service for Victorville SCLA & Hesperia aviation/manufacturing. Western Mechanical, Inc. CSLB #618138. (661) 251-0111.

Centrifugal Chillers

• Trane CenTraVac Chiller Overhaul & Tear-Down Service — Expert Trane CenTraVac CVHE, CVHF, CDHG chiller overhaul, rebuilds, R-123/R-514A purge, and AdaptiView controls. CSLB #618138. (661) 251-0111.
• York YK & YZ Centrifugal Chiller Repair & VSD Service — Expert York YK single-stage and YZ magnetic-bearing chiller repair, OptiSpeed VSD service, and high-speed shaft seal replacement by Western Mechanical, Inc. (661) 251-0111.

Centrifugal & Screw Chillers

• Carrier AquaEdge 19XR & 23XRV Chiller Repair SoCal — Expert Carrier AquaEdge 19XR/23XRV centrifugal & screw chiller repair in Southern California, focusing on PIC5/PIC6 controls and economizer subcoolers. CSLB #618138. (661) 251-0111.

Magnetic-Bearing Chillers

• Daikin Magnitude WME & WMC Oil-Free Chiller Service — Expert Daikin Magnitude WME/WMC magnetic-bearing chiller repair, MicroTech III/E diagnostics, and zero-oil heat transfer restoration by Western Mechanical, Inc. CSLB #618138.

Oil-Free Compressors

• Danfoss Turbocor Compressor Diagnostics & IGV Calibration — Expert Danfoss Turbocor TT300-TT700 compressor diagnostics, magnetic bearing tuning, and IGV calibration by Western Mechanical, Inc. CSLB #618138.

Non-Destructive Testing

• ASNT Level II Eddy Current Chiller Tube Testing — Western Mechanical, Inc. provides ASNT Level II multi-frequency eddy current testing for chiller tubes, detecting freeze bulges, pitting, and cracks. CSLB #618138. (661) 251-0111.

Absorption Chillers

• Lithium Bromide Absorption Chiller Decrystallization & Vacuum Repair — Expert lithium bromide absorption chiller decrystallization, vacuum repair, and inhibitor balancing for Southern California industrial facilities. CSLB #618138. (661) 251-0111.

Low-Pressure Chillers

• Low-Pressure Chiller Purge Unit Repair & Leak Hunting — Expert low-pressure chiller purge unit repair, leak detection, and non-condensable mitigation for R-123/R-514A systems. CSLB #618138. (661) 251-0111.

Predictive Diagnostics

• Spectrographic Chiller Oil & Karl Fischer Refrigerant Testing — Western Mechanical, Inc. provides spectrographic chiller oil analysis (ICP wear metals, TAN, viscosity) and Karl Fischer refrigerant moisture testing per ASHRAE 147. CSLB #618138. (661) 251-0111.

Emergency Contingency

• 24/7 Temporary Rental Chiller Deployment & Camlock Tie-Ins — Western Mechanical, Inc. provides 24/7 emergency rental chiller deployment (100-1,000 tons) with rapid camlock power & hydronic tie-ins. CSLB #618138. (661) 251-0111.

Refrigerant Compliance

• CARB & EPA AIM Act Chiller Refrigerant Retrofits (R-513A & R-514A) — Western Mechanical, Inc. engineers R-134a to R-513A & R-123 to R-514A chiller retrofits for CARB/EPA AIM Act compliance, ensuring optimal performance. CSLB #618138. (661) 251-0111.

C-4 Boilers & Steam

• Cleaver-Brooks Firetube Boiler Repair & Retubing — Expert Cleaver-Brooks CB/CBEX firetube boiler repair, retubing, refractory, and Hawk ICS tuning in Southern California. CSLB #618138. (661) 251-0111.
• Raypak Fin-Tube & Parker Watertube Commercial Boiler Repair — Expert Raypak XTherm/MVB fin-tube and Parker bent-tube commercial boiler repair in Southern California. Scaling remediation, refractory rebuilds. CSLB #618138. (661) 251-0111.

C-4 Hydronic Boilers

• Fulton & Lochinvar Condensing Commercial Boiler Service — Expert service for Fulton Endura/Pulse and Lochinvar Crest/Knight condensing boilers, focusing on passivation, pH neutralization, and burner replacement. CSLB #618138. (661) 251-0111.

ASME Pressure Vessels

• ASME Commercial Boiler Retubing & Hydrostatic Pressure Testing — Expert ASME commercial boiler retubing, tube-sheet repair, and 1.5x MAWP hydrostatic testing for NBBI/Cal-OSHA compliance. CSLB #618138. (661) 251-0111.

Burner Controls

• Honeywell RM7800 & Fireye Flame Safeguard Lockout Repair — Expert diagnosis and repair for nuisance burner lockouts on Honeywell RM7800/7890/Slate and Fireye E110 Flame Safeguards. CSLB #618138. (661) 251-0111.

Steam Distribution

• Ultrasonic Steam Trap Surveys & Condensate Return Pump Repair — Western Mechanical, Inc. provides plant-wide ultrasonic steam trap surveys and condensate return pump repair to prevent live steam loss and corrosion. CSLB #618138. (661) 251-0111.

Boiler Room Auxiliaries

• Pressurized Deaerator & Boiler Feedwater Pump Overhaul — Expert deaerator and boiler feedwater pump overhaul services for industrial facilities in Southern California. Includes DO tuning, weld inspection, and pump rebuilds. CSLB #618138. (661) 251-0111.

AQMD Compliance

• SCAQMD Rule 1146 Source Test Preparation & 9 ppm NOx Tuning — Expert SCAQMD Rule 1146 source test preparation, 9 ppm NOx tuning, and FGR optimization for boilers/heaters in Southern California. CSLB #618138. (661) 251-0111.

Cooling Towers

• BAC, Marley & Evapco Cooling Tower Gearbox & Driveshaft Rebuild — Expert BAC, Marley, & Evapco cooling tower gearbox and driveshaft rebuilds in SoCal. Precision laser alignment & FRP fan pitch setting. CSLB #618138. (661) 251-0111.
• Cooling Tower Fill Media & Drift Eliminator Replacement — Expert cooling tower fill media and drift eliminator replacement for optimal thermal performance and Legionella mitigation in SoCal. CSLB #618138. (661) 251-0111.

Heat Exchangers

• Plate & Frame Heat Exchanger CIP Descaling & Regasketing — Expert plate & frame heat exchanger CIP descaling, dye-penetrant pinhole testing, and EPDM/NBR regasketing for Alfa Laval, Mueller, Sondex, and Bell & Gossett units. CSLB #618138. (661) 251-0111.

Hydronic Pumping

• Commercial Chilled & Condenser Water Pump Overhaul — Expert overhaul of commercial chilled & condenser water pumps (Bell & Gossett, Armstrong, Taco, Grundfos) with silicon-carbide seals & impeller trim. CSLB #618138. (661) 251-0111.

Hydronic Retrofits

• Variable-Primary Chilled Water Flow Conversion & PICV Retrofits — Western Mechanical, Inc. specializes in variable-primary chilled water flow conversion and PICV retrofits to eliminate Low Delta-T syndrome. CSLB #618138. (661) 251-0111.

Hydronic Chemistry

• Closed-Loop Hydronic Chemical Flushing, Side-Stream Filtration & Glycol — Expert pre-commissioning mill-scale cleaning, magnetic/bag side-stream filtration, and inhibited USP propylene glycol charging for hydronic systems. CSLB #618138. (661) 251-0111.

Healthcare Critical Care

• HCAI (OSHPD) PIN 70 Expedited Hospital HVAC & Chiller Replacement — Western Mechanical, Inc. provides expedited HCAI PIN 70 functionally equivalent hospital HVAC and chiller replacement, including OSHPD seismic anchorage. CSLB #618138. (661) 251-0111.

Surgical Suite HVAC

• Hospital Operating Room ASHRAE 170 Air Balancing & Laminar Diffusers — Expert ASHRAE 170 operating room air balancing, laminar flow, positive pressure, and HEPA diffuser integrity verification in Southern California. CSLB #618138. (661) 251-0111.

Infection Control HVAC

• Hospital Negative-Pressure Isolation Room (AIIR) HVAC & Exhaust — Expert commissioning & maintenance for hospital Airborne Infection Isolation Rooms (AIIR) HVAC, ensuring continuous -0.01" w.c. negative pressure per ASHRAE 170. CSLB #618138. (661) 251-0111.

Pharma Cleanrooms

• USP 797 & USP 800 Compounding Pharmacy Cleanroom HVAC Service — Expert HVAC for USP 797/800 compounding pharmacies, ensuring ISO Class 5/7/8 compliance, pressure cascades, and hazardous exhaust. CSLB #618138. (661) 251-0111.

Aerospace & Biotech Cleanrooms

• ISO 14644 Cleanroom Fan-Filter Unit (FFU) & ULPA/HEPA Service — Specialized ISO 14644 cleanroom FFU, ULPA/HEPA filter replacement, and ECM fan balancing for aerospace and biotech facilities. CSLB #618138. (661) 251-0111.

Data Center Cooling

• 24/7 Liebert, Vertiv & Stulz Data Center CRAC/CRAH Repair & Service — Expert 24/7 repair & maintenance for Liebert, Vertiv, & Stulz CRAC/CRAH units, including EC fans, iCOM controls, and humidifiers. CSLB #618138. (661) 251-0111.

Data Center Thermal

• Data Center Hot/Cold Aisle Containment & Raised-Floor Static Tuning — Optimize data center thermal management with Western Mechanical, Inc.'s hot/cold aisle containment, raised-floor static tuning, and CRAC optimization. CSLB #618138. (661) 251-0111.

Building Automation

• Tridium Niagara N4 Cybersecurity & BACnet/SC Hardening — Western Mechanical, Inc. hardens Tridium Niagara N4.10-4.14 LTS and BACnet/SC systems with TLS 1.3, FoxS certificates, and OT VLANs. CSLB #618138. (661) 251-0111.

BAS Optimization

• ASHRAE Guideline 36 High-Performance HVAC Control Sequences — Optimize VAV systems with ASHRAE Guideline 36 high-performance control sequences for 20-35% HVAC kWh savings. Western Mechanical, Inc. CSLB #618138. (661) 251-0111.

Commercial Zoning

• Commercial VAV Box Actuator, Flow Sensor & Reheat Valve Repair — Expert VAV box actuator, flow sensor, and reheat valve commissioning for multi-story commercial and medical facilities in Southern California. CSLB #618138. (661) 251-0111.

Variable Frequency Drives

• ABB ACH580 & Danfoss HVAC VFD Installation & IEEE 519 Harmonics — Western Mechanical, Inc. specializes in ABB ACH580 and Danfoss HVAC VFD installations, ensuring IEEE 519 compliance with harmonic filtering. CSLB #618138. (661) 251-0111.

Heavy Commercial RTUs

• Trane IntelliPak 20–130 Ton Rooftop Unit Repair & Retrofits — Expert Trane IntelliPak I/II rooftop unit compressor control diagnostics and repair for UCP2/Symbio 800 boards. CSLB #618138. (661) 251-0111.

Custom Packaged HVAC

• AAON Commercial Rooftop & Custom Air Handler Repair SoCal — Expert AAON RN, RQ, RM, RZ rooftop & custom air handler repair in Southern California. Modulating digital scroll, enthalpy wheels, VCCX2/Prism controls. (661) 251-0111

Title 24 Compliance

• California Title 24 Part 6 FDD Economizer Repair & Acceptance — Expert Title 24 Part 6 FDD economizer repair and acceptance testing for commercial HVAC in Southern California. Ensure compliance with CSLB #618138. (661) 251-0111

Air Handling Units

• Commercial AHU Chilled Water, Hot Water & Steam Coil Replacement — Western Mechanical, Inc. specializes in custom AHU chilled water, hot water, and steam coil replacement, including knockdown fabrication and silver-brazed piping. CSLB #618138. (661) 251-0111.

AHU Refurbishment

• Commercial AHU Stainless Drain Pan, Liner & UV-C IAQ Restoration — Western Mechanical, Inc. restores commercial AHU drain pans with dual-sloped 304/316 stainless, UV-C, and MERV-14 upgrades for IAQ. CSLB #618138. (661) 251-0111.

Lab & R&D Ventilation

• Laboratory Fume Hood Venturi Valve & Strobic Exhaust Fan Service — Expert VAV fume hood, Phoenix Controls venturi valve, and Strobic exhaust fan service for critical lab environments in SoCal. CSLB #618138. (661) 251-0111.

Industrial Ventilation

• Industrial Make-Up Air Units (MAU) & Cal/OSHA §3396 Heat Mitigation — Western Mechanical, Inc. engineers industrial make-up air (MAU) and destratification for Cal/OSHA §3396 compliance in SoCal warehouses. CSLB #618138. (661) 251-0111.

C-38 Refrigeration

• Industrial Cold Storage & Rack Refrigeration Service — Western Mechanical, Inc. provides 24/7 C-38 licensed industrial cold storage and rack refrigeration service for blast freezers and food distribution. (661) 251-0111

Aerospace Process HVAC

• Aerospace Autoclave, Cleanroom & Environmental Chamber Cooling — Western Mechanical, Inc. delivers high-reliability closed-loop process cooling for aerospace autoclaves, cleanrooms, and environmental chambers. CSLB #618138. (661) 251-0111.

Manufacturing Process

• Process Chillers for Injection Molding, Extrusion & Food Plants — Specialized process chillers for injection molding, extrusion, and food plants, ensuring ±0.5°F stability. Western Mechanical, Inc. CSLB #618138. (661) 251-0111.

Mechanical Room Safety

• ASHRAE 15 Chiller Machinery Room Gas Detection & Purge Ventilation — Expert ASHRAE 15 compliant refrigerant leak detection and purge exhaust system design, installation, and service for chiller rooms. CSLB #618138. (661) 251-0111.

Predictive Maintenance

• NFPA 70B Infrared Thermography for HVAC Starters, VFDs & Steam — Western Mechanical, Inc. offers NFPA 70B compliant infrared thermography for 480V/4160V HVAC starters, VFDs, and steam systems. CSLB #618138. (661) 251-0111.

Rotating Equipment

• In-Situ Dynamic Two-Plane Fan & Impeller Balancing (ISO 1940) — Western Mechanical, Inc. performs in-situ dynamic two-plane fan and impeller balancing to ISO 1940 G2.5, preventing structural resonance and bearing failure. CSLB #618138. (661) 251-0111.

Utility Incentives

• LADWP, SCE & SoCalGas Commercial Chiller & Boiler Rebate Capture — Maximize commercial chiller, boiler, and HVAC rebates from LADWP, SCE, and SoCalGas with Western Mechanical, Inc.'s expert engineering. CSLB #618138. (661) 251-0111.

Capital Planning

• Commercial Real Estate Mechanical Due Diligence & CapEx Audits — Expert commercial HVAC due diligence, CapEx audits, and RUL assessments for institutional REITs in Southern California. CSLB #618138. (661) 251-0111.

Studio & Broadcast HVAC

• Motion Picture Sound Stage NC-20 Silent HVAC & Chilled Water Balancing — Western Mechanical, Inc. engineers ultra-quiet NC-20 HVAC and chilled water systems for motion picture sound stages in Southern California. CSLB #618138. (661) 251-0111.

Campus & K-12 HVAC

• University & K-12 School District Central Plant Maintenance (DSA) — Western Mechanical, Inc. specializes in DSA-compliant university & K-12 central plant maintenance, including chilled/heating water loops. CSLB #618138. (661) 251-0111.

Public Works HVAC

• Municipal, Courthouse & Public Works Mechanical Contracting — Western Mechanical, Inc. provides DIR-registered prevailing-wage union mechanical contracting for municipal, courthouse, and public works HVAC systems. CSLB #618138. (661) 251-0111.

High-Rise HVAC

• High-Rise Water-Source Heat Pump (WSHP) Loop & Fluid Cooler Service — Western Mechanical, Inc. specializes in high-rise WSHP loop and fluid cooler service, including boiler injection and automatic y-strainer maintenance. CSLB #618138. (661) 251-0111.

Seasonal Protection

• Commercial Chiller, Cooling Tower & Coil Freeze-Protection Service — Prevent $100k+ ruptured coils in Acton & Palmdale with Western Mechanical, Inc.'s expert freeze protection, heat trace, and glycol Brix checks. CSLB #618138. (661) 251-0111.

Directory & Southern California Engineering FAQs

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)