I have a problem with my compatible Honeywell Home thermostat; who should I contact?

If your problem is related to the Hilo service (for example, connecting the device to Hilo or participating in challenges), please contact Hilo customer service at 438 289-HILO (4456) or toll-free at 1 844 500-HILO (4456).

If your problem is related to the functioning of the thermostat (for example, its operation with the Resideo app, or an issue concerning the device’s display), we invite you to contact Resideo customer service directly by calling 1-800-468-1502 or via email by filling out this form.