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Optimaatti heating control

Lower heating costs without watching electricity prices or giving up the indoor temperature you chose.

Works in the browser on any device, including iPhone. No account needed.

Heating-season results

Loading the heating-season result

We are checking whether an approved result has been published.

How it works

One simple idea

Electricity prices change hour by hour. Optimaatti does just one thing — it moves your big loads to the cheap hours.

Electricity price across the day
Cheap hours (night)Expensive hours (evening)
0006121823Optimaatti moves heating here
1
Prices drop at night
Electricity is cheapest while the rest of Finland sleeps.
2
Optimaatti shifts heating there
Your water heater and heating run automatically on the cheap hours.
3
You wake to a warm home
Same comfort, smaller bill. You do nothing.
Is Optimaatti a fit for your home

Assess your home’s potential

Choose your heating setup and home size. We will tell you whether heating control is worth exploring further.

How do you heat your home?
Home size
Optimization potential
Good

Electric heating usually provides a meaningful controllable load. A precise estimate needs measurements from your home.

We pre-fill your choices — you’re set up in a minute.

This is a suitability assessment, not a savings promise. A precise result requires measured data from the home.

Is it actually real

Loading the heating-season result

We combine the measured cost of automated electric radiators in a 75 m² home with a comparison against ordinary thermostat control.

Loading the heating-season result

We are checking whether an approved result has been published.

The result shows the measurement period, comparison method, included heating devices, and calculation limits.

What you need

Three steps, about 10 minutes

You don’t need a new house or an electrician right away. Start with one device.

1
Download the app
Optimaatti is free until end of 2026. Works in the browser too.
2
Connect one device
A small Shelly device costs about 15 € — or use devices you already have.
3
Done
Add the device from your phone in a minute. Savings start right away.

Start saving tonight

Try the demo without an account. See how it works in 30 seconds.

Try it now — no account

Free until end of 2026 · no commitment