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Solar water heater or heat pump: what suits your home?

ChoosingReading time: 4 minutesUpdated: September 2026

Solar water heaters and heat pumps are often mentioned in the same breath, but they solve different problems. One makes hot water, the other heats your whole home. Which choice is wisest depends on your consumption and your house.

1. What a solar water heater does

A solar water heater warms water with the sun. Collectors on the roof heat a fluid, which passes its warmth to the water in the storage tank through a heat exchanger. That saves up to 50 percent on hot water costs. Showering, washing up and the washing machine: that is where the gain is. With a combi model your heating water is pre-warmed too.

2. What a heat pump does

A heat pump draws warmth from ground, air or groundwater and brings it to your heating system. About 75 percent of the heat needed comes free from the surroundings. So it replaces or relieves your boiler, and in summer it can often cool as well. The saving is therefore mainly in the gas you use for heating.

  • A solar water heater saves on hot water
  • A heat pump saves on heating
  • A combi model does a bit of both
  • Going green step by step is fine

3. How to choose between them

If you use a lot of hot water, for example in a family with growing children, a solar water heater pays for itself quickly. If your gas bill is high mainly because of heating, a heat pump delivers more. In a well-insulated home with a large roof, the combination of solar panels and a heat pump is often the strongest choice.

4. You do not have to do everything at once

Going green can be done step by step. Many customers start with solar panels, then tackle the heating and later add zone control. We take future expansion into account in the design, so you are not locked into today's choice.

In practice this subject belongs with advice and design and heat pumps. There you can read how we work and what is possible, or you can request a no-obligation quote straight away.

Further reading: what do solar water heaters cost?, what do heat pumps cost?, what do daylight systems cost?.

Tip from the engineer

When in doubt, always ask for a no-obligation advice session. Half an hour of looking on site says more than ten brochures, and you commit to nothing.

Frequently asked questions

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Mainly in Haarsteeg, Waalwijk, Den Bosch, Tilburg, Breda, Kaatsheuvel, Drunen, Oosterhout and the surrounding area.

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