• Yearly maintenance program to minimize costly failures of systems
  • Keep equipment running as efficiently as possible (extend equipment life)
  • Work hand-in-hand with facility maintenance to reduce outside service costs
  • Cost benefit evaluation; life expectancy of the HVAC system
  • Business forecast for future replacement budgets.
CFC Replacement / Clean Out
  • Recovery of CFC refrigerant for recycling, reclamation, and/or disposal
  • Retrofit old refrigeration systems with new environmentally safe EPA approved refrigerants


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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