Drewmet

Boiler sizing calculator

Estimate the required boiler output from your building parameters. The result will help you move faster to the right product and contact our team.

Approximate result Simple form Quick guidance

Insulation 10-20 cm

Height 2.6-3.0 m

Height 1460 mm

Width 640 mm

Depth 1240 mm

Parameters Class 5 / Ecodesign Efficiency up to 92%

Estimated output 12-18 kW

Step 1 Enter the building parameters

How it works

Enter the details, check the output and continue.

The calculator provides an approximate result. It is a quick first step before selecting a specific boiler model.

1 Enter the basic parameters of the house or building.

2 Select the button to calculate the approximate output.

3 Use the result to choose the right product range.

Insulation thickness [ cm ]

Building area [ m² ]

Building type

Room height [ m ]

Number of residents

Domestic hot water

Estimated output