Skip to content

THERMA HT300S Wired Room Thermostat

Program your home temperature in advance with THERMA HT300S weekly programmable room thermostat with TPI algorithm. THERMA HT300S Wired Room Thermostat, which you can program to any temperature on any day and time, provides maximum energy savings thanks to its TPI algorithm.

You can maximize your comfort and reduce your energy costs by programming your room thermostat, which has a stylish design with touch buttons.

Thanks to TPI technology, your room thermostat creates a temperature map of your home and learns how long it takes to reach your set temperature and how to maintain this temperature with minimum energy consumption. The artificial intelligence algorithm prevents your heating unit from running continuously while keeping your home at the desired temperature. This ensures comfort and maximum savings on energy bills.

therma300s-room therma300sb-room

Daily and Weekly Programmable

TPI Algorithm

Heating&Cooling Options

Illuminated Display


3 Different Mode Options

You can choose the most suitable mode for your situation with 3 different modes of your smart room thermostat and manage the temperature of your home.

You can use your room thermostat in manual mode without changing your weekly program and mode settings.

Comfort Mode
Economy Mode
Program Mode

TPI Algorithm

Room Thermostats with TPI technology predict when the temperature of your home will increase above or decrease below the set temperature and turn the heating unit on and off accordingly. This ensures that your home stays at the set temperature with minimal deviations up and down.

It provides minimum energy consumption by calculating how long your heating unit should run.




Daily and Weekly Programming

You can program your Room Thermostat with 7 different daily schedules in the period between P0-P6 for the desired time and temperature on a daily and weekly basis.

For example, you can automatically increase the temperature in the morning and decrease it at night. This offers a great way to save energy and increase your comfort.


Easy Switching between Heating/Cooling Modes

You may need to adjust the temperature of your home according to the seasons. You may want to enjoy warmth in winter and coolness in summer. The smart room thermostat is designed to give you the best comfort for every season.

You can quickly and easily switch between heating and cooling modes with your room thermostat.


Room Thermostat Manual Use

For instant temperature change, you can use your programmable room thermostat manually with the temperature adjustment buttons. Your weekly program or mode settings will not change in manual use.

Wired Room Thermostat

Wired room thermostat communicates with the heating unit via a cable. It is usually mounted on the wall. We recommend placing it in a central location where there is not much air circulation.

Touch Buttons and Key Lock Feature

There is an automatic key lock function to prevent unintentional contact with the touch buttons. In order to remove the key lock, press and hold the “On/Off” button for 3 seconds.

Technical Data

therma300s kablo teknik
Dimensions (H/L/W)
100mm / 160mm / 18.2mm

Operating Current
3V DC (2 x AAA Alkaline Battery)

Relay NO Switching Current
2A/30VDC (Resistive Load) 0.5A/125VAC (Resistive Load)

Temperature Measurement Accuracy

Operating Temperature Range
(5°C) – (30°C)

Battery Life
1 Year (2 x AAA)

Operating Temperature
(-10°C) – (+50°C)

Storage Temperature
(-20°C) – (+60°C)


Installation and Usage

Weekly Program