Interactive Tool

Find the Right Water Tank Size for Your Home or Project

Pick household or project mode, enter your details, and we’ll suggest the best-fit Haggan capacity.

Number of residents 4 Backup storage days 1

This assumes roughly 150-200 liters per person a day, covering drinking, cooking, bathing, and laundry. It's a starting point, not an exact number.

FAQ

Questions our customers ask often

What is the best tank type for household use?

Polyethylene tanks are the best option for most homes. They're reasonably priced, easy to install, and safe for drinking water.

How do I choose the right tank capacity for my home?

As a rule of thumb, a family of 4 typically needs a 1000-2000 liter tank. You can also use our tank size calculator for a more precise estimate.