Pacific HVAC

Fullerton, California

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(949) 468-9257
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Rooftop Unit (RTU) Repair & Replacement

Pacific HVAC provides expert rooftop unit (RTU) repair and replacement services across Fullerton, Orange County, Los Angeles County, and surrounding Southern California areas. We specialize in diagnosing RTU issues, restoring system performance, and replacing outdated rooftop units with modern, energy-efficient solutions.

About This Service

Pacific HVAC provides expert rooftop unit (RTU) repair and replacement services across Fullerton, Orange County, Los Angeles County, and surrounding Southern California areas. We specialize in diagnosing RTU issues, restoring system performance, and replacing outdated rooftop units with modern, energy-efficient solutions.

From emergency repairs to full system replacements, our licensed and union-trained technicians ensure reliable operation, improved efficiency, and long-term performance for commercial properties of all sizes.

Our Capabilities

  • Rooftop Unit (RTU) diagnostics, repair, and troubleshooting RTU replacement and new unit installation
  • Preventative maintenance for rooftop systems
  • Commercial HVAC system integration and upgrades
  • Energy-efficient rooftop unit solutions
  • Ventilation and exhaust system support connected to RTUs
  • Airflow balancing and system optimization
  • Code-compliant commercial HVAC rooftop installations

Our Process

01

System Inspection & Diagnosis

We thoroughly inspect the rooftop unit to identify issues, performance problems, and required repairs or replacement needs.

02

Repair or Replacement Plan

We provide clear recommendations and pricing for either repairing the RTU or replacing it with a modern, energy-efficient unit.

03

Repair Work or New Installation

We complete all necessary repairs or install the new rooftop unit with proper connections and system integration.

04

Testing & Performance Optimization

We test the system, verify airflow, and ensure the RTU is operating efficiently and reliably under full load conditions.

Project Photos

Frequently Asked Questions

What types of commercial properties do you service for rooftop units?

We service a wide range of commercial properties including retail buildings, restaurants, office complexes, medical facilities, hospitality venues, and industrial sites that use rooftop HVAC systems.

Are you licensed for RTU repair and replacement in California?

Yes, Pacific HVAC is fully licensed and insured to perform rooftop unit (RTU) repair and replacement services throughout California, backed by over 25 years of union-trained experience.

Need Immediate HVAC Service?

Available 24/7 across Orange County, Los Angeles County, and surrounding Southern California areas.

Call Now - (949) 468-9257