ComfortSite Login

Trane ComfortSite is an extranet site designed to save you time. With your secure login, you can:

  • Order Equipment, Parts, Literature and track Order Status
  • View product literature
  • Register for Training programs
  • Complete Warranty requirements online
  • Search for specific Product Information
  • Use interactive Product Support functions
  • View and print invoices through Account Track Online
  • and More
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Trane Connect

This is the login for Trane® Connect™ and other Trane® commercial applications. Trane® Connect™ is our secure, cloud-based customer portal to access your building systems to remotely monitor and manage building systems, and conduct routine maintenance.

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P Series Outdoor Units


P Series Outdoor Units

Trane® / Mitsubishi Electric P Series ductless units deliver superior comfort and reliability for a wide range of light commercial applications - from fitness centers to retail shops. Flexible, durable, and easy to maintain, P Series units will quietly operate while delivering maximum performance and energy savings.

Explore P Series Outdoor Unit Features

Available in Single Zone Cooling Only and Single Zone Heat Pump, P Series offers light commercial ductless systems for operation in extreme cold, for year-round comfort in any climate, featuring:

Electric Linear Expansion Valves Provide precise control to continuously adapt the refrigerant flow, ensuring exact capacity delivery.
Pulse Amplitude Modulation Circuitry Adjusts the form of the current output wave to emulate the form of the supply voltage wave.
Two-In-One Twinning Two indoor units can be connected to one outdoor unit, creating a single zone, to cool a large space such as a long room or hallway.


For technical documentation and IOMS for Trane® / Mitsubishi Electric VRF and Ductless products, please visit

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