Paradigm Mechanical Corp. specializes in expert installation, retrofit, and maintenance of mechanical systems for commercial, industrial, and institutional facilities across Southern California. We partner with building owners, tenants, general contractors, and public agencies—delivering high-performance solutions with precision and staying power, especially when the job is complex.

SERVICES

CERTIFICATIONS

California Contractor’s License #947497

  • SBE# 2009356

  • DBE #39697

  • DIR # 1000006589

NAICS Codes

  • 238220 – Plumbing, Heating & Air Conditioning

  • 236220 – Commercial & Institutional Building Construction

  • 238990 – All Other Specialty Trades

  • 238210 – Electrical Contractors & Other Wiring Installation Contractors

  • 221330 – Steam and Air-Conditioning Supply

  • 236210 – Industrial Building Construction

HVAC Installation & Retrofit

HVAC Installation & Retrofit

Government HVAC Services

Government HVAC Services

We specialize in high-performance HVAC system installations and retrofits for new construction, upgrades, and tenant improvements. From hospitals to high-security labs, our team works within the constraints of active, occupied spaces to deliver systems that improve comfort, efficiency, and air quality—without disrupting operations.

Project Capabilities
  • Central Plant Systems
  • Compressed Air & Vacuum Systems
  • Mechanical System Piping
  • Ductwork & Air Conditioning Systems
  • Industrial Plumbing
  • Laboratory & Fume Exhaust Systems
Facility Types
  • Healthcare & Clean Rooms
  • High-Security Government Facilities
  • Data & Server Rooms
  • Museums & Education Facilities
  • Retail, Hospitality & Office Buildings
  • Industrial & Central Plant Facilities

Government projects demand more—more precision, more compliance, more accountability. Paradigm brings decades of experience navigating the complexities of federal, state, and local government contracts. Our team is well-versed in prevailing wage laws, LEED/ASHRAE/GSA standards, and stringent documentation requirements.

Self-Performed Construction Services
  • Chiller, Boiler, Cooling Tower Repairs & Installations
  • Air Handlers, Split Systems, Piping & Welding
  • Energy Management Systems (DDC)
  • Plumbing (Drain, Waste & Vent)
  • Temporary Cooling Solutions
  • Commissioning, Safety Oversight (SSHO), and CQCM
Certifications & Codes
  • California DBE, DUNS 962159732, CAGE Code 62YH1, DIR # 1000006589
  • NAICS: 238220, 238210, 221330, 236210, 236220, 238990
  • Bonding: $8M/$12M Aggregate | Insurance: $5M Umbrella
Self-Performed Construction Services
  • 24/7 Emergency Response
  • Facility Surveys & Engineering
  • Title 24 Compliance
  • Full-Service Project Management

REFRIGERATION

REFRIGERATION

SERVICE & MAINTENANCE

SERVICE & MAINTENANCE

With the acquisition of San Diego Refrigeration in September 2024, Paradigm Mechanical now offers expanded commercial and light industrial refrigeration services, available 24/7/365 across San Diego County. Building on over 35 years of trusted service, this partnership enhances our capacity to deliver comprehensive HVAC and refrigeration solutions.

Our Refrigeration Services Include:

  • Installation
  • Warranty Support
  • Service & Maintenance
  • Residential Wine Rooms
SDR Logo

We keep facilities running efficiently with proactive maintenance, repairs, and system optimization. Our certified technicians are available 24/7, operating from a fleet of fully equipped vans to deliver responsive, expert service across Southern California.

We keep facilities running efficiently with proactive maintenance, repairs, and system optimization. Our certified technicians are available 24/7, operating from a fleet of fully equipped vans to deliver responsive, expert service across Southern California.

Systems Maintained
  • Air- & Water-Cooled Chillers
  • Steam & Hot Water Boilers
  • VAV Units, Air Handling Units
  • Pumps, Motors, Exhaust Systems
  • Heat Pumps & Kitchen Ventilation
Service Offerings
  • 24/7 On-Call Emergency Response
  • Custom Preventative Maintenance Programs
  • Backflow Certification & Repairs
  • Indoor Air Quality Testing
  • Facility Re-Commissioning
  • Certified Clean Room Services