Ceramic WiFi controlled radiator with die-cast aluminum body.

From the device and by means of our app, you will be able to manage from any place and at any time the heating installation of one or several houses, and to know and to control the consumption in real time. All you need is a WiFi connection in the place where the radiators are installed, and a WiFi or data connection in the place where you want to programme or control the installation with your mobile device. It is necessary to purchase the HJM SMARTBOX separately, which is connected to the router via Ethernet cable, for the Wi-Fi operation of the device.


System based on the use of ceramic blocks of high thermal inertia incorporated inside its die-cast aluminium casing.

Intuitive and easily programmable smart chrono-thermostat, both manually and from your smartphone.

Display discreetly integrated into the top of the device for greater convenience.
Daily and weekly programming. Automatic and manual modes:

Other functions available at your smartphone using our app:

Complete and intuitive menu

You can set your transmitters individually or in a group (up to 30 devices) from any device connected to the Internet, and:

  • Control the state of the radiators, the ambient temperature.
  • Program the desired temperature and the duration of the different modes: comfort, saving, echo, antifreeze, off.
  • Add, remove or prioritize radiators.
  • Invite another user: perfect for student residences, rental apartments, holiday apartments… The owner can add and delete guests.

Geolocation by GPS

It detects the presence of the user thanks to the GPS position of the smartphone, and acts automatically increasing or decreasing the temperature of the radiator, in case the user is AT HOME/ ABSENT. The increase/decrease of the desired temperature can be defined by the user, who can also disable it permanently or temporarily.

Compatible with AMAZON ECO and GOOGLE HOME

You can use various voice commands to adjust the temperature in your home, without leaving the comfort of your chair.

Functions: saving, comfort and safety.

Open window detection:

Temporary switch off by sudden room temperature drop.

Adaptive temperature control:

This function anticipates radiators operating start time until 2 hours.

Keyboard lock:

To avoid improper or accidental use that can modify the settings set in the thermostat.


  • Manufactured in 3 powers to be able to adapt to any space.
  • Wall mounting brackets (+2,5 cm) included.
  • Double lateral fairing.
  • Made of die-cast aluminum.
  • Class II. IP24.

Model Power Measurements Weight
OPTIMA1000 wifi
OPTIMA1500 wifi
OPTIMA2000 wifi
1000 W
1500 W
2000 W
63,5x58x9,5 cm
87,5x58x9,5 cm
111,5x58x9,5 cm
15,8 kg
21,5 kg
29,3 kg