Contact Customer Service

Our Service Promise

Our vision is to provide comfort and peace of mind to our customers in the North American HVAC market with compelling solutions created by passionate people.

General Inquiries Form

Have questions about our products and systems? Submit your inquiry here and have all your questions answered!

General Inquiries

Self-Help Resources

Text SUPPORT to 6144124545 to receive a link via text message* to our online self-help support resources. Get easy access to manuals, parts diagrams, product details, FAQs, videos, and much more 24/7! *Message and/or data rates will apply.

Customer Service Operating Hours

Monday - Thursday, 8am - 6pm EST
Friday, 8am - 5pm EST
Residential Tel: 800-283-3787
Commercial Tel: 800-326-1400

Customer Support E-mail Addresses

AC parts only:

All Other Residential Products:

Technical Support E-mail Addresses





Commercial Products, Applications & Engineering

Commercial Products:

Commercial AC:

Commercial Heating:

Warranty & Returns Support E-mail Addresses

Warranty & Returns:


65 Grove Street, Watertown, MA 02472
555 NW 65th Court, Fort Lauderdale, FL 33309
50 Wentworth Avenue, Londonderry, NH 03053

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