Tech Support

For licensed HVAC contractors and installers. Get expert technical assistance with installation, troubleshooting, and system diagnostics.

FAQs

Find quick answers to common technical questions.

Browse FAQs

Error Codes Tool

Use our on‑the‑job tool to diagnose error codes.

Troubleshoot Code

Documentation

Access installation manuals, spec sheets, and technical guides.

Browse Library
Important: Please Have This Information Ready

Before You Call

To help us assist you quickly and effectively, please have the following information ready:

  • System Model Number - Found on the unit's nameplate
  • Serial Number - Located on the indoor and outdoor units
  • Error Codes - Any displayed codes or flashing LED patterns
  • Installation Details - Line set length, refrigerant type, electrical setup
  • Photos - Pictures of the installation, wiring, or specific issue (if applicable)
  • Symptoms - Description of the technical issue or concern

Contact Technical Support

Live phone support for licensed contractors

888‑850‑7928

Monday–Friday, 8:00 AM–5:00 PM ET

How We Support You

Our technical support line is staffed with expert technicians equipped to handle complex technical issues and provide professional guidance for your installations and service calls.

Expert Diagnostics

Our team will work with you to diagnose technical issues, walking through troubleshooting steps while you're on-site with the equipment.

Warranty Coordination

We'll determine warranty eligibility and coordinate replacement parts or components when necessary, streamlining the service process.

Installation Guidance

Get expert assistance with complex installations, startup procedures, and system commissioning to ensure proper operation.

Timely Resolution

We understand your time is valuable. Our team works efficiently to resolve issues and get you back to work quickly.