Free residential service call with any repair during normal business hours

CSI Mechanical

   (704) 600-6267

Serving Shelby, NC Metro Since 2010


  • 1.5–5 ton
  • ECM motor on select models
  • PSC three-speed blower motor
  • All-aluminum coil
  • Galvanized steel metal cabinet
  • R-410A TXV
  • Multi-position installation
  • Optional electric heaters
  • 2% air leakage models available (meets R4.2 requirements)


The 1.5–5 ton TEM3/TEM4 is a convertible unit featuring an ECM motor (on select models) or a PSC three-speed blower motor. The M Series air handlers combine affordability and flexibility to work with the complete range of Trane heating and cooling products—so you get the reliability of Trane and the options to work within your specific system and budget.