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Heat pump water heaters

Heat your domestic hot water by drawing warmth from the air and cut your bill compared with an electric or gas water heater. With a dedicated tank and high efficiency, it's the affordable, green solution for your home, from the best brands ready to ship.
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What is a heat pump water heater?

A heat pump water heater is a boiler that produces domestic hot water by harnessing the warmth in the air, instead of heating it only with an electric element or a gas burner. A small heat pump transfers energy from the air to the water held in the storage tank, using far less electricity for the same amount of hot water. It's one of the most efficient and green solutions for home hot water production.

How many litres of storage to choose?

Tank capacity is chosen according to the number of people in the home and consumption habits:

  • Up to 80 litres: one or two people with modest use.
  • From 100 to 150 litres: the most common choice for a family of two to four people.
  • 200 litres and above: large families or homes with several bathrooms and high consumption.

A well-sized tank avoids running out of hot water and lets the heat pump operate during the most cost-effective hours.

The COP and the savings over electric and gas

The efficiency of a heat pump water heater is measured by the COP, the coefficient of performance: it indicates how much thermal energy is produced for each unit of electrical energy absorbed. With a high COP, the appliance returns several times the energy it consumes, whereas a traditional electric water heater stays close to one. The result is a significant saving on the bill compared with the electric water heater, and in many cases with gas too, especially where tariffs are high.

Energy class and consumption

These appliances reach high energy classes precisely thanks to heat pump technology, which sharply reduces consumption compared with traditional boilers. A high energy class means lower consumption across the year and a faster payback on the initial investment, which in our catalogue starts at around 959 euro.

Tax incentives and grants

Buying and installing a heat pump water heater may qualify for the tax benefits set out in the regulations, such as tax incentives where applicable, such as reduced VAT for renovation work, since it is an energy-efficiency upgrade. The conditions depend on the type of work and the documentation, so it's worth checking the current requirements before you buy.

The best brands available

You'll find the leading manufacturers in the sector, with official warranty and spare parts available: Ariston, Ferroli, Vaillant, Immergas, Riello, Baxi and Daikin. The solutions cover every storage need and budget, up to around 3090 euro for the highest-capacity models.

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Frequently asked questions

How does a heat pump water heater work?
It extracts heat from the air and transfers it to the water in the storage tank through a small heat pump, instead of heating the water only with an electric element or with gas. This way it produces the same hot water while using far less electricity.
How much do you save compared with an electric or gas water heater?
Thanks to a high COP, the appliance returns several times the electrical energy it absorbs, whereas a traditional electric water heater stays close to one. The saving on the bill is therefore significant compared with electric and, in many cases, with gas too.
How many litres of storage do I need for my family?
For one or two people, up to 80 litres is often enough, while for a family of two to four people you usually choose from 100 to 150 litres. For large families or homes with several bathrooms, you go up to 200 litres and above.
What is the COP of a heat pump water heater?
The COP is the coefficient of performance and indicates how much thermal energy is produced for each unit of electrical energy absorbed. The higher the COP, the more efficient the appliance and the lower its electricity consumption.
What energy class do these water heaters have?
They reach high energy classes thanks to heat pump technology, which sharply reduces consumption compared with traditional boilers. A high class means lower annual consumption and a faster payback on the investment.
Can I use tax incentives for a heat pump water heater?
In many cases yes, because it is an energy-efficiency upgrade that may qualify for tax incentives where applicable, such as reduced VAT for renovation work. The conditions depend on the type of work and the documentation, so it's worth checking the current requirements.
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