Any questions? Contact us! | Hilo

The Hilo service is evolving. To learn more, check out our latest news!

New! Smart water heater solutions are finally here. Shop them now.

Please note that installation of Hilo products may take longer than usual.

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What is Hilo?

The Hilo service
Discover Hilo, its smart devices, and smarter ways to save.
How does it work?
See how you can save with Rate Flex D and Hilo
The app
Everything you need to know about our mobile app and what it can automate or control remotely.

Estimate your savings

Products

Smart thermostats
Choose from smart thermostats for electric baseboard, radiant floor, or central heating.
Water heater controllers
New!

Optimize your hot water usage during Hilo challenges with a smart water heater controller.
Electric vehicle charging station
See which charging stations are compatible and allow you to earn rewards during challenges.
Compatible devices
See all Hilo-compatible devices that let you join challenges and earn cash rewards.

All products

Help Center

Help — Mobile app
Everything you need to know about using the app, programming scenes, and more.
Help — Hilo products
Find answers to all your questions about Hilo products.
Help — Compatible devices
Get help with Hilo-compatible devices from any of our partner brands.
Help — Rewards and bonuses
Learn how cash rewards are calculated and bonuses paid out.

Help — Hilo challenges
Learn more about how challenges work and their impact on your comfort.
Help — Terms and eligibility
Everything you need to know about Hilo’s eligibility and participation requirements.
FAQ
See all

Promotions

Blog

Want to know more about Hilo?

Don’t hesitate to get in touch with us if you have any questions about our smart home service.

*Please note that our technical support department will be closed on Saturdays and Sundays during the summer.