HOME DECISIONS · FREE · NO SIGN-UP

Big decisions about your home

Solar panels, heat pumps, electric cars — we work out what’s cheaper and when it pays off. Not “how much”, but “is it worth it”.

DECISION CALCULATORS

What’s cheaper, and when it pays off

Not “how much”, but “is it worth it”. Big home decisions — with honest assumptions and a model over time.

How many years until panels pay off.

Which is cheaper, by how much and at what SCOP.

Charging per month, per 100 km and per charge.

Which is cheaper over several years and when it pays off.

HOW IT WORKS

From the catalog of home decisions — solar panels, heat pumps, electric cars.

Type in values or paste text. No sign-up, nothing is stored on a server.

Instantly, no reloads. Copy with one click or share a link.