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Atlantic Explorer 270 L thermodynamic water heater in Herent

Case study: hot water produced from the ambient air — efficient, with a subsidy up to €1,200.
March 20, 2026 by
Atlantic Explorer 270 L thermodynamic water heater in Herent
Ecowatt NV
Atlantic Explorer 270 L thermodynamic water heater installed by Ecowatt in Herent

Heating your domestic hot water with a traditional electric boiler is one of the most expensive ways to do it. In Herent, we installed an Atlantic Explorer 270 L thermodynamic water heater — a water heater that makes hot water with a small built-in heat pump, drawing most of its energy from the ambient air.

How a thermodynamic water heater works

Instead of heating water directly with an electrical resistance, the Explorer uses its heat pump to capture the calories in the surrounding air and transfer them to the water. For the same hot water, it consumes roughly three times less electricity than a conventional electric boiler. With 270 L of storage, it comfortably covers a family's needs.

Hydraulic connections of the Atlantic Explorer water heater installed by Ecowatt in Herent

The benefits

  • Up to 3× less electricity for your hot water than a classic electric boiler.
  • 270 litres of storage — plenty for a family.
  • Subsidy up to €1,200 in Flanders, depending on your region and income.
  • Simple to fit: it connects to the water inlet and a power socket — no outdoor unit needed.
  • Quiet and autonomous: it runs on its own, day after day.

Subsidies: up to €1,200

In Flanders, a thermodynamic water heater qualifies for a subsidy of up to €1,200, depending on your region and income. Combined with the savings on your electricity bill, it pays for itself quickly.

Estimate your subsidy with our simulator

A similar project?

Want to cut the cost of your hot water? Our advisors carry out a free assessment to find the right solution for your home. Call us on +32 15 62 70 80.

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