Chiller Services

N&S Services chiller specialists are experts in chiller and HVAC service and repair.  Our chiller capabilities include:

  • HVAC  Service
  • Cooling Tower Repairs
  • Variable Frequency Drives
  • Pumps
  • Air Handlers
  • Controls
  • Teardown and Reassembly
  • Bearing and Seal Replacement
  • System Enhancements
  • Refrigerant Piping
  • Operating Inspections
  • Emergency Services
  • Annual Maintenance

All of our chiller mechanics have years of factory experience and factory training on all major chiller brands. Our chiller specialists have been responsible for the service, maintenance, and overhaul of Carrier, McQuay, Trane, and York centrifugal chillers. This experience includes contract inspection, maintenance, and repair of large tonnage Carrier, Trane, York, and Worthington chillers as well as teardown and reassembly of large open and semi-hermetic multi-stage centrifugal chillers, including bearing and seal replacement.

Some of our service specialties include:

  • Teardown and reassembly
  • Bearing and seal replacement
  • 4160 volt starter service
  • Control system troubleshooting
  • System enhancements
  • New equipment installation
  • Pump repairs and overhauls
  • Refrigerant piping
  • Operating inspections
  • Emergency service
  • Annual maintenance

Our chiller technicians have serviced air handlers, split systems, heat pumps, variable air volume systems, and ventilation equipment.  In addition, our techs have maintained and repaired multi-zone electric, gas, and gas-fired rooftop units, performed service on oil-heat, oil and gas-fired boilers, air compressors, water pumps, and circulators as well as rebuilding compressors and installing ductwork and electrical wiring and servicing microprocessors and electric, electronic, pneumatic, and solid state controls.

Education and training of our chiller technicians include;

  • Pneumatic / Electronic Controls
  • Direct-fired Absorption Horizon Units
  • Series “R” Screw Compressor
  • UCP II
  • Direct-fired Absorption
  • Series “R” Screw Compressor
  • Refrigerant Certification II, III, and IV
  • CVHE Teardown
  • Electronic Controls for UCP and SCP
  • Rooftop Seminar, Boland Trane
  • Centrifugal Fundamentals / Microprocessor Controls
  • Teardown of Models 17-19 C, D, E, and F
  • Advanced Absorption
  • Centrifugal Fundamentals
  • Basic Absorption

Defense Nuclear Agency
“Your unparalleled excellence in custodial services has received praise from the highest levels with DOD. Thank you for a job well done”

Armed Forces Radiobiology Research Institute
“The prompt response, cooperative esprit, and performance efficacy has distinguished your company in its fulfillment of the contract”

US Federal Aviation Administration
“Work performance is excellent”

White House Communications Agency
“I want to take the opportunity to express my grateful thanks for your support and assistance. My most sincere thanks for a job well done”

Armed Forces Radiobiology Research Institute
“The resource management department extend our gratitude and appreciation for the services your crew has provided to ensure the success and quality of the facility’s environmental”

Department of Health and Human Services
“Your efforts are greatly appreciated, thanks again for a job well done”