Commercial HVAC Service and Repair

What's the Root Cause?

We Find

  • The cause of comfort complaints
  • Solutions to trips, lockouts, and alarms
  • Origin of leaks and recurring failures

We Test

  • Commercial HVAC Equipment and connected system
  • Temperatures, pressures, airflow, and water flow
  • Operational conditions
Zion Engineering technician measuring commercial HVAC operating conditions to diagnose a reported building problem

Fix the Root Cause

We Repair

  • Rooftop units, air handlers, chillers, boilers, and pumps
  • Motors, belts, bearings, valves, sensors, and electrical components
  • Airflow, hydronic, refrigerant, drainage, and connection failures

We Restore

  • Heating, cooling, ventilation, and normal equipment operation
  • Safeties, commanded states, and expected system response
  • Return equipment to service without repeated resets or temporary fixes
Zion Engineering technician repairing commercial HVAC equipment after diagnosing the cause of a system failure

Verify the Repair

We Verify

  • Temperatures, pressures, airflow, water flow, and cycling
  • Connections, safeties, access, and repaired components
  • System response compared with the original building complaint

We Explain

  • What failed, what was repaired, and what remains
  • Watch items, repair priorities, and recurring conditions
  • When to repair, monitor, maintain, retrofit, or replace
Zion Engineering technician verifying commercial HVAC operation and documenting repair findings for a facility team

How Can We Help?