ThermoB – thermostats and controllers
Help me choose
A family in a warm, bright living room on a winter day

Comfort in every season. Thermostats and controllers.

Control your heating and cooling exactly the way you want – at home or remotely. Reliable control, lower energy use and comfort all year round.

Works without internetHeating and coolingMade in BulgariaProxel Connect app
Help me choose →Explore ThermoB

Comfort all day long – without thinking about it

Set it once. From then on, the thermostat follows the rhythm of your home.

06:30 · Morning
A couple waking up in a warm bedroom at sunrise

You wake up in a warm home

The heating starts before the alarm – the room is already at a comfortable temperature when you get up.

→ weekly schedule

09:00 · During the day
A sunny, empty living room during the day

You save while you're away

The empty home switches to a lower temperature automatically. You don't pay to heat empty rooms.

→ scheduled economy mode

18:00 · Evening
A family coming home in the evening to a warm, lit house

You come home to the perfect temperature

Running late or coming back early? Change the mode from your phone – your home will be ready.

→ Proxel Connect app

23:00 · Night
A couple sleeping peacefully in a cosy bedroom at night

You sleep better

A cooler bedroom for deeper sleep – and lower energy use at night.

→ night temperature

Why trust us

Thoughtful engineering goes into every product we make.

Guided by our team's experience, we create thermostats and controllers with attention to every detail — from precise control to reliable operation.

A ThermoB installer sets up a thermostat while the homeowner watches
Precise controlDifferent control methods for different applications — with the right setting for each system.
Works without internetCore control runs on the device and does not depend on a continuous internet connection.
Developed and made in BulgariaIn-house hardware and software development, with control over the product from concept to production.
Inside knowledge. Practical support.If you need help, our team knows the products down to the smallest detail and is ready to assist.
Data protectionUser data and the servers of the cloud platform are located in the European Union.

2-year warranty · Can be extended up to 5 years

One thermostat. Comfort all year round.

Heating in winter, cooling in summer – switch seasons at the press of a button or with a tap in the app.

Let's get started

What do you need a solution for?

For the home

Control your comfort from anywhere – for a house or apartment, with a boiler, heat pump or underfloor heating.

Home solutions →

Rental properties

Protect the heating against misuse and manage the property between tenants.

Property solutions →

Installers

Professional solutions, wiring diagrams and support directly from the engineers.

For installers →

OEM solutions

Programmable controllers, a Modbus-to-cloud gateway and wireless signal transmission for equipment and automation manufacturers.

To the OEM solutions →