Heater power

Length of the house:

Width of the house:

Height of the house (room):

Material of outside walls:

Enter wall thickness (cm):

Wall is insulated

Insulation thickness:

What is above the room? Select

What is under the room? Select

Outside door:

Select the window type:

Total area of window(s):

Enter outside temperature ℃:

Desired temperature in the house ℃:

Find Your Ideal Room Heater: Watt Calculator

Our room heater power calculator helps you determine the ideal wattage for optimal comfort.
Simply enter:
Room Dimensions: Length, width, and height of your room.
Desired Temperature: Set your preferred temperature for the room.
Insulation: Select what is in your walls, under floor and over ceiling.
With a click, our calculator will recommend the appropriate wattage for your room heater, ensuring:
Efficient Heating: Enjoy a warm and comfortable room without wasting energy on an oversized heater.
Cost Savings: Choose the right heater size to avoid unnecessary energy consumption and higher electricity bills.
Personalized Comfort: Achieve your desired temperature with the perfect wattage heater.
Stay warm and cozy with our room heater power calculator – find your ideal match today!