• Modify existing controls; more effective energy management
  • Eliminate less efficient equipment with state-of-the-art machines
  • Energy evaluation of the facility for proper sized equipment for the loads
  • Modify ventilation system for overall comfortable cooling/heating and proper distribution of air.

Specialized Applications

  • Refurbish / replace systems as needed:
    • hot water boilers; pumps; hot & chilled water coils
    • water controls; evaporative coolers; fluid coolers
  • Expand existing systems to larger air handling capacity
  • Critical applications; museums, hospitals, computer rooms

 Call us at 978-649-4550 or contact us for more information. 



Turn-Key Engineering Inc.
HVAC Mechanical Contractors
141 Middlesex Road Unit #13
Tyngsboro, MA 01879
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