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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Trane® Design Assist™

Trane® Design Assist™

Trane® Design Assist™

Trane® Design Assist™ is the newest web application from Trane that delivers high performing Building Automation System designs and documentation for commercial buildings of all sizes. Users create scalable designs on a digital canvas within the tool, giving self-service access to comprehensive documentation like overall project layouts, flow diagrams, sequence of operations, points list and project guide specifications. It supports multiple HVAC applications such as AHUs, Cooling Plant Systems, Heating Plant Systems, Dedicated Outdoor Air System, Chiller Heater System, Variable Air Volume Systems, VRF, terminal units, and many more! Plus it provides options for greater levels of customization if needed to meet specific project needs.

Available in English, Spanish, French Canadian and Portuguese.

Register for a free Trane Design Assist account today! 

Trane Design Assist – Getting Started Guide

An Intuitive Tool to Meet Your Evolving Project Design Needs

Thanks to your feedback, we continue to make Trane Design Assist better, quicker and easier than ever before. From project layout support and guidance, to a way of staying up to date and knowledgeable on industry trends, Trane Design Assist helps lay the groundwork for a successful design and documentation process by putting it into one streamlined workflow. Building Automation System project details are being produced faster, with increased reliability and decreased risk - this means you can easily meet project timelines and be confident in your deliverables.

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    Design with standard configuration selections that automatically update content for each project item. If additional information is needed, manually customize to match real world design.

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    Explore pre-engineered system level applications using proven ASHRAE® control standards plus industry leading strategies that are continuously being updated to meet market needs.

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    Whether it is big buildings or small buildings, hospitals, college campuses, or high rise buildings - plan, spec, and retrofit jobs. Trane Design Assist provides tailored solutions with ease.

Get to Know Trane® Design Assist™

Ready to dive deep and enhance your Trane Design Assist™ user skills?

Click the Launch Training button to learn more!


Flow Diagrams, Sequence of Operation, Points List and Project Guide Specificatons are populated simultaneously using industry—proven control strategies through configuration selections. It also provides flexibility for deeper levels of customization if needed.


Share project information and designs within the tool to easily collaborate with other stakeholders, colleagues and trusted advisors. This leads to faster problem solving and decision making to eliminate any of those design or scope uncertainties. 


Generate and download project documentation through customized format options like DWG, PDF, DOCX, and XLSX that are ready to be place into mechanical plans and specs. 

Learn More About Trane Design Assist

Additional Resources