NATIONWIDE HVAC & REFRIGERATION COVERAGE

National HVAC & Refrigeration

24/7 emergency dispatch, central chilled water plants, industrial boilers, commercial refrigeration racks, and building automation for multi-site commercial portfolios.

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DIVISION CAPABILITIES

National HVAC & Refridgeration Built for Enterprise Reliability & Energy Performance

National HVAC & Refrigeration (National HVAC/R) delivers comprehensive mechanical, heating, cooling, cold storage, and environmental control services for commercial real estate, logistics facilities, healthcare centers, and retail chains nationwide. From central chiller plant overhauls and industrial boiler burner tuning to walk-in refrigeration racks and direct digital control (DDC) programming, our certified mechanical technicians maintain system uptime and energy efficiency. Every partnership is backed by dedicated account management to streamline service requests, regulatory compliance, and mechanical capital planning across your entire portfolio.

Chilled Water Plants & Central Cooling

Boilers & Hydronic Heating Systems

Air Handling & Indoor Air Quality

Commercial & Industrial Refrigeration

Rooftop Units & VRF Systems

Building Automation & Controls

Chilled Water Plants & Central Cooling Systems
  • Chiller Service & Overhauls: Service and overhaul support for centrifugal, screw, and other central chiller systems

  • Tube Testing & Inspection: Non-destructive testing support for evaporator and condenser tubes to identify wear, leaks, or tube-wall concerns

  • Tube Cleaning & Descaling: Chemical cleaning and descaling support for shell-and-tube heat exchangers and chilled water equipment

  • Cooling Tower Service: Service support for cooling tower fans, gearboxes, fill media, distribution components, and related mechanical systems

  • Chilled Water Loop Flushing & Balancing: Closed-loop flushing, glycol support, and balancing coordination for chilled water systems

  • Refrigerant Recovery & Purge Systems: Refrigerant handling, recovery coordination, and purge unit service support for large cooling systems

  • Pump Drives & Efficiency Upgrades: Variable frequency drive support for condenser, chilled water, and related pumping systems

Boiler, Steam & Hydronic Heating Systems
  • Boiler Tube Service: Retubing, pressure testing, and repair support for commercial and industrial boiler systems

  • Burner Calibration & Combustion Tuning: Burner adjustment, combustion analysis, and efficiency tuning for fuel-fired heating equipment

  • Refractory & Firebox Repairs: Repair support for refractory, firebrick, combustion chambers, seals, and high-temperature components

  • Deaerator & Feedwater Systems: Service support for feedwater components, deaerators, level controls, and chemical feed coordination

  • Steam Trap Testing & Rebuilds: Testing, repair, and replacement support for steam traps and condensate return components

  • Condensate Return Systems: Repair support for condensate receivers, pumps, seals, controls, and related heating system components

  • Glycol Hydronic Systems: Testing, fluid support, and recharge coordination for glycol and hydronic heating loops

Air Handling, Ventilation & IAQ Management
  • Air Handler Service: Service support for commercial air handlers, fan assemblies, bearings, belts, and blower components

  • VAV & Air Terminal Tuning: Calibration and service support for VAV boxes, dampers, reheat coils, and air terminal controls

  • Duct Cleaning & Air Pathway Service: Duct cleaning support for dust, debris, buildup, and indoor air quality concerns

  • Smoke Control & Pressurization Systems: Testing and service support for stairwell pressurization, smoke control, and emergency ventilation systems

  • Filtration Upgrades: Filter rack, HEPA, carbon filtration, and higher-efficiency filtration upgrade support

  • UV-C & Air Treatment Systems: Installation and service support for UV-C systems, coil treatment, and air treatment components

  • Energy Recovery Ventilators: Service support for ERVs, energy wheels, belts, sensors, and related ventilation components

Commercial & Industrial Refrigeration
  • Walk-In Coolers & Freezers: Installation, service, and repair support for commercial walk-in cooler and freezer systems
  • Compressor Rack Systems: Service support for compressor racks, compressors, oil separators, and pressure control components
  • Defrost Systems: Troubleshooting and repair support for electric, hot gas, and electronic defrost systems
  • Remote Condensers: Service support for remote condenser fans, motors, coils, disconnects, and weather-exposed components
  • Specialty Cold Storage: Service support for low-temperature, ultra-low-temperature, lab, clinical, and pharmacy refrigeration equipment
  • Blast Chillers & Process Cooling: Service support for blast chillers, rapid cooling equipment, and specialty cooling applications
  • Refrigeration Drain Lines: Cleaning and clearing support for condensate and case drain lines in refrigeration systems
Unitary Equipment, Rooftops & VRF Systems
  • Rooftop Units: Service, replacement, and installation coordination for packaged rooftop units and curb-mounted equipment

  • VRF & Multi-Split Systems: Service support for VRF systems, branch controllers, refrigerant circuits, and heat recovery components

  • Coil Protection & Coatings: Protective coating support for coils in coastal, corrosive, or high-exposure environments

  • Compressor Protection Components: Diagnostic support for crankcase heaters, compressor protection devices, and startup-related components

  • Split-System Compressor Repairs: Repair support for compressor failures, burnout response, filtration, and refrigerant circuit cleanup

  • Economizers & Outdoor Air Controls: Service support for economizer dampers, sensors, linkages, relief hoods, and outdoor air controls

Automation, Controls & Energy Management
  • DDC Controls Programming: Programming and adjustment support for direct digital controls and building automation sequences

  • Control System Conversions: Conversion support for outdated pneumatic or legacy controls to modern digital control systems

  • Airflow & Sensor Calibration: Calibration support for airflow sensors, CO2 sensors, temperature sensors, and control inputs

  • Building Automation Graphics: Support for control graphics, floorplans, trend logs, dashboards, and operator interfaces

  • System Integration Gateways: Integration support for chillers, boilers, lighting, HVAC equipment, and building automation networks

  • Demand-Controlled Ventilation: Setup and adjustment support for ventilation controls tied to occupancy and energy use

Regulatory Compliance, Safety & Commissioning
  • Refrigerant Compliance Tracking: Support for refrigerant leak tracking, documentation, and compliance-related reporting needs
  • Legionella Risk Reduction Support: Thermal treatment, chemical treatment, and system flushing coordination for risk reduction programs
  • Fire & Smoke Damper Testing: Testing and documentation support for fire dampers, smoke dampers, and life-safety airflow components
  • Testing, Adjusting & Balancing: Air and water balancing support for HVAC systems, equipment, and distribution networks
  • Retro-Commissioning: Operational review and adjustment support to improve performance, comfort, and energy use in existing facilities
  • Confined Space Ventilation Support: Mechanical ventilation and monitoring support for work in basements, vaults, pits, and confined mechanical areas

Ready to Optimize Your Commercial HVAC & Refrigeration Infrastructure?

Connect with our specialized division leads today for rapid dispatch, mechanical audits, and custom preventative maintenance programs.

CONTACT NATIONAL HVAC & REFRIGERATION TEAM
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