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

Promotions

Blog

Products

I have a problem with my compatible Mysa 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 Mysa app, or a problem with the physical device), we invite you to contact Mysa customer service directly by making an appointment over the phone or via email by filling out this form.