rooftop air conditioning unit

Superior Commercial and Industrial HVAC Services

If you experience any problems with heating, cooling, or ventilation equipment, let us make it right.  Neglecting even minor issues can result in unnecessary energy consumption, product damage/loss, customer complaints, and safety risks.  Whether you are in need of scheduled maintenance, repairs, or 24/7 Emergency Service, the Nunning team is ready to respond.  Trained in the most advanced techniques and technology, our licensed technicians isolate and correct the problem, regardless of make or model, and limit disruption to your facility.

Installations, Repairs and Maintenance

Organized project management, and a full year guarantee on all service work are all part of our commitment to your complete satisfaction.  We specialize in identifying and recommending cost-saving adjustments to promote more reliable and efficient performance from your HVAC system.  Free consultations provide the opportunity to address your specific goals and requirements, and include on-site evaluations, estimates, and detailed proposals. Drawing from extensive experience and resources, Nunning executes installation, repair, and maintenance seamlessly and accurately.

  • Air Handlers
  • Air Terminals
  • Chillers
  • Controls
  • Duct-Free Split-Systems
  • Fan Coils
  • Packaged Terminal Air Conditioners
  • Rooftops
  • Small Packaged Products Split Systems
  • Service Contracts Available
  • Vertical Packaged Units
  • Water Source Heat Pumps
  • Walk-In Coolers
  • Walk-In Freezers
  • Reach-In Coolers
  • Reach-In Freezers
  • Ice Machines
  • Air Dryers
  • Exhaust Hoods

Fall Maintenance Services

  • Clean and Adjust Thermostat
  • Clean and Adjust All Safety Controls
  • Vacuum Clean Burners and Controls
  • Clean and Adjust Pilot Assembly
  • Adjust Burner For Efficiency
  • Check For Gas Leaks
  • Lubricate All Moving Parts
  • Check Belt and Adjust Tension
  • Check Filters
  • Check Condition of Flue Pipe
  • Check All Wiring and Connections
  • Adjust Pressure Regulator
  • Check Voltages and Amperages
  • Check Heat Exchanger For Cracks
  • Check Total Performance of Heating System

Spring Maintenance Services

  • Check Operating Pressures
  • Check Voltages and Amperages
  • Check Temperature Drop Across Evaporator
  • Check Refrigerant Charge
  • Check Evaporator Superheat
  • Lubricate All Moving Parts
  • Check Belt and Adjust Tension
  • Check Filters
  • Check Pressure Switch Cut-Out Settings
  • Check Electrical Lock-Out Circuits
  • Check All Wiring and Connections
  • Clean And Adjust Thermostat
  • Check Air Temperature Across Condenser
  • Check that Condensate Drain is Open

Contact us to schedule service or get more information.