New: Connect your compatible thermostats and join the Hilo challenges!
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What is Hilo?

Hilo service
Everything you need to know about the Hilo service and how it works.
The Hilo challenges
Find out how you can join challenges to start earning cash rewards.
Mission
Learn more about what inspires us and drives our desire for innovation.

The app
Everything you need to know about our mobile app and what it can automate or control remotely.
Real estate projects
See how Hilo is partnering with real estate developers today to create the smart neighborhoods of tomorrow.

Estimate your savings

Products

Smart thermostats
Choose from smart thermostats for electric baseboard, radiant floor, or central heating.
Compatible devices
See all Hilo-compatible devices that let you join challenges and earn cash rewards.
Electric vehicle charging station
See which charging stations are compatible and allow you to earn rewards during challenges.

All products

Help Center

Mobile app help
Everything you need to know about using the app, programming scenes, and more.
Product help
Get tips on Hilo products or compatible devices.
Rewards help
Learn how cash rewards are calculated and paid out.

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

Contact us

FAQ

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Blog

Products

I’m unable to control my water heater load controller with the Hilo app. What should I do?

First, check the status of the network indicator light:

If the network indicator is green, click here to explore possible solutions.
If the network indicator is yellow, click here to view the procedure for pairing the controller with the hub
If the network indicator is solid red, try the following: switch the circuit breaker on your electrical panel to the OFF position, wait about 30 seconds, then switch it back to the ON position. If this doesn’t resolve the problem, contact Hilo Technical Support.