We pride ourselves on offering swift and accurate troubleshooting and service on all air conditioning, heating and ventilation systems from all manufacturers. This is made possible by our large fleet of skilled technicians who possess the knowledge needed to diagnose and repair your equipment in order to get you back up and running. Complimented by dedicated and professional in-house staff and our 24×7 emergency technician service, USI truly offers the full package for your service needs.


Diligent upkeep and maintenance of your Mechanical HVAC equipment is the key to achieving proper operation, long life and maximized efficiency. USI has the capability to provide a customized preventative maintenance plan within your budget requirements without jeopardizing the level and diligence of care your equipment receives. If you’re interested in constructing a preventative maintenance plan for any of your equipment please don’t hesitate to contact us.


Our sales team is comprised of experienced sales engineers and project managers who can work with you on your new installation, regardless of size. We specialize not only in unit and system replacements and installations, but also plan and specification projects and conceptual design and build installations. Our team is equipped to incorporate value engineering into proposals and estimates to help provide the most cost effective solution available. Contact our sales team today for assistance with any of the below.

USI offers a full line of service options for commercial and industrial companies as well as 24-hour emergency services.

  • Project management, estimating, building services management
  • Installations, preventative maintenance, routine service calls
  • Air conditioning, filtration, and clean air purification systems
  • Furnaces, heat pumps, boilers, ventilation systems
  • Temperature control, environmental efficiency checks
  • Energy monitoring and control systems
  • Seasonal maintenance programs

USI provides customized maintenance agreements to fit your needs on:

  • Roof Top Units
  • Heat Pumps / Split Systems
  • Cooling Towers
  • Chiller Equipment
  • Boilers / Furnaces
  • Air Handling Units
  • Fan Coil Units
  • Air Compressors
  • Air Dryers
  • Kitchen Refrigeration Equipment
  • Spring Start-up
  • Winter Shut-down

USI is ready to help you eliminate expensive downtime, save on energy costs and extend the service life of your HVAC systems and equipment.