Calculating

Get your savings calculated — and a specialist on the line

Fill in the details about your roof and consumption. We will calculate the exact figures for your system, show you the calculation immediately, and call you to review it together. Free and without obligation.

Your information

Customer Information

Fields marked with * must be filled in before the calculation can be submitted. Installer is optional.

Building and roof

The distance from the house to the location where the tank is to be placed. We use this to calculate the piping and the pump's lift height, so you are recommended the correct system.

Consumption

Further information

Please complete all fields marked with * and accept the terms before the calculation can be submitted.

Your Calculation Result

See recommended system, estimated coverage, and savings.

Your coverage

Of your water consumption can be covered by rainwater

38 %

You save approximately 38 % on your water bill

Recommended investment

Recommended tank size

4.000 liter

Effective roof area
127 m²
Uptake potential
71.943 l/år
Coverage of rainwater needs
100 %
Estimated lifting height
ca. 6 m
Recommended pump
Standard husvandværk
Recommended park type
Sigma, Multimat eller Optima
Distance tank – technical room
5 m
4.216 kr. Annual savings
6 kg/år CO2 savings per year
1.369 stk/år Similar to showers
301.125 stk/år Cups of coffee

The calculation is indicative. Final installation and price will be determined by a specialist.

See your calculation

Fill in your details, and we'll show you your calculation immediately. You can download it as a PDF, and a specialist will call you to review it with you.