How do i contact resideo for support with my smart home device? Honeywell Smart home security, Wi-Fi cameras and water leak detectors are supported by Resideo, a Honeywell licensee. Please contact 1-800-633-3991 for support or visit www.honeywellhome.com for more information.What is resideo and honeywell home? The same Honeywell Home products you’ve trusted are now a part of Resideo. At Resideo we’re transforming your home into the most comfortable and secure place you’ve ever lived. Find detailed product specifications and supporting literature, technical documentation, installation instructions, photos and more.Who can i contact for support with my honeywell thermostat? Honeywell thermostats for homes are supported by Resideo, a Honeywell licensee. Please contact 1-800-468-1502 for support or visit www.honeywellhome.com for more information. Q: Where can I find support for Honeywell Portable Heaters, Fans and Humidifiers products?Where can i get help with a honeywell home product? Honeywell Home Customer Services are here to help. Have a question? If you have an enquiry about Honeywell Home products, or any other questions, please get in touch. You can contact us by telephone.