CommercialService and Repairfor HVAC and Mechanical

Systems We Service

  • Rooftop units and air handlers
  • Boilers and hydronic systems
  • Commercial chillers
  • VRF and heat-recovery systems
  • VAV systems and terminal equipment
  • Pumps, ventilation, and exhaust
Zion Engineering technician observing commercial HVAC equipment at the start of a service process.

Building Automation Services

  • DDC programming and reprogramming
  • BACnet troubleshooting and integration
  • Sequence-of-operation review
  • Sensor and input verification
  • VAV and VFD optimization
  • Remote access and monitoring
  • Alarm and nuisance-trip analysis
  • Commissioning and recommissioning
Zion Engineering technician reviewing a commercial building automation system connected to HVAC equipment.

Installation and Retrofit

  • Existing equipment and site-condition review
  • Roof, access, and work-area verification
  • Delivery route and staging planning
  • Building and equipment protection
  • Shutdown and occupied-space coordination
  • Rigging, lifting, and placement sequencing
  • Utility and controls reconnection
Zion Engineering crew coordinating the installation of commercial chiller equipment at an operating building.

How Can We Help?