Customer Support
We're Here 24/7 to Answer All of Your Questions

Telkonet values customer satisfaction and strives to deliver the best products, service, and support possible. Please refer to the following paragraphs for Telkonet contact information, replacement details, and warranty documents.

Service and Support

Should an issue arise, here's how to reach the
Telkonet support teams:

Energy Management 24/7 Support

Phone: +1 (800) 380 9640
Mexico: 00+1+800+380 9640
(International Rates May Apply)
Fax: +1 (414) 258 8307

To request on-site Telkonet service, call the number above and a customer service agent will direct your call.

EthoStream 24/7 Support

Phone: +1 (877) 282 2519
Fax: +1 (414) 258 8307

Telkonet invites customers to provide feedback and comments about the support experience to Receiving and acting on feedback is an essential part of ensuring customer satisfaction.

Replacement Equipment

If you wish to purchase additional or replacement equipment, please use the following order forms, contact, or call +1 (888) 703 9398.

To order current-generation EcoSmart products, use this order form.
To order SmartEnergy products, usethis order form.

Product End-of-Life Information

Telkonet has identified several products that are, or will soon become, technically out of date and incompatible with current equipment. View Telkonet's End-of-Life policy for a phase-out schedule.

To order replacement thermostats and occupancy sensors, use the Product Chart to determine what type of SmartEnergy technology you have installed and select compatible replacement products. Download and complete the Order Form, and return the form to Telkonet via email or fax (414) 302 2249.

Unsure about what SmartEnergy technology you have? Use the Product Chart:
To order replacement products, use this form:

Warranty Information

Telkonet covers all EcoSmart products with a one-year warranty to provide replacements in the event of a manufacturer's defect to ensure continued system performance. Through the EcoCare program, Telkonet also offers customers a flexible extended warranty on any product purchased.
To view our Warranty and RMA policies, please download the Telkonet Warranty.

  • Telkonet, Inc.

  • 20800 Swenson Drive
  • Suite #175
  • Waukesha, WI 53186
  • P: (414) 223 0473
  • F: (414) 258 8307