Hilo | Help Center - Savings and rates

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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.
Mission
Learn more about what inspires us and drives our desire for innovation.

Estimate your savings

Products

Smart thermostats
Choose from smart thermostats for electric baseboard, radiant floor, or central heating.
Water heater controllers
Optimize your hot water management during peak events with a smart water heater controller.
Electric vehicle charging station
Find out which charging stations are compatible with Hilo and help you save on your electricity bill.
Compatible devices
Explore all Hilo-compatible devices that let you take part in peak events and save on your energy costs.

All products

Help Center

Help — The Hilo app
What’s new, how it works, scene setup, energy use tracking, and helpful tips.
Help — Hilo products
Hilo-brand hub, smart thermostats, and water heater controller.
Help — Compatible brands and bonuses
Select EVduty, Honeywell Home, Mysa, and Sinopé devices.
Help — Savings and rates
Potential savings, eligible Hydro-Québec rates, and calculation details.

Help — Peak demand events
How they work, what to expect, and how to adjust settings.
Help — Conditions and eligibility
Sales, refunds, terms of use and participant agreement.
FAQ
See all

Contact us

Promotions

Blog

Rate Flex D

Winter Credit Option

Savings

Savings and rates

Rate Flex D

Winter Credit Option

Savings

Family gathered around a counter: a man is helping a girl with a laptop, a woman is watching, another girl is drawing with colored pencils.

August 13, 2025

How to sign up for Hilo

A little girl on a step stool mixing chocolate in a bowl in a bright kitchen; a wall thermostat displays 20°C.

August 13, 2025

Everything you need to know about smart thermostats

Person leaning on a kitchen counter looking at a smartphone; kitchen with wooden cabinets, fruit bowl, utensils, and blue pots and pans.

August 12, 2025

Peak demand events: Your questions, answered!

A family reads a book together inside a cozy blanket fort decorated with string lights and lanterns in a warmly lit living room.

September 18, 2025

Make peak demand events a family affair!

A smiling mother is kneeling in a bathroom, wrapping a child in a beige towel.

September 17, 2025

3 smart reasons to connect your water heater to Hilo

An electric vehicle recharges while a couple with a stroller takes a walk.

September 15, 2025

The Hilo EV charging solution: A smart way to save

Still have questions?

Can’t find an answer to your question?

Write to us

Or contact us at 438 289-4456 (HILO) or 1 844 500-4456 (toll free) Monday to Friday from 8 a.m. to 8 p.m. / Saturday and Sunday 9 a.m. to 5 p.m.*

_{*Please note that Customer Service will be closed on Sunday, April 5. It is also important to specify that only Technical Support will remain open on Friday, April 3, and Monday, April 6, from 9:00 a.m. to 6:00 p.m.}