Hot water when you want it
Cala learns your household's hot water use hour by hour, so it's ready when you need it.
As seen on Two Bit da Vinci
A water heater that plans ahead.
Most water heaters start heating the moment you use hot water, even at 10 PM when no one needs it until morning. Cala learns when your household uses hot water and heats ahead of time, when it costs less.
See how Cala works in a real home
From the Two Bit da Vinci channel on YouTube.
Hot water when you want it. And a smaller bill.
A smaller bill
Cala looks at energy prices and plans heating for the times that cost less.
Works with your solar and battery
If you have them, Cala can use your solar production and battery charge to plan heating.
How it works
- 1
Learn
Cala tracks when your household uses hot water.
- 2
Plan
It works out the lowest-cost time to heat, using energy prices and, if you have them, your solar and battery.
- 3
Heat ahead
Your tank stores the hot water until you need it.
What you could save depends on what you pay for electricity, your rate plan, your current water heater, and how much hot water you use.