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Hermann Saunier Duval

Hermann Saunier Duval condensing boilers to heat your home and have hot water with reduced consumption. Reliable technology, spare parts easy to find and models for every floor area, ready for immediate delivery with dedicated support.
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Why choose a Hermann Saunier Duval boiler

Hermann Saunier Duval is a historic heating brand, valued for its reliability and for how easy it is to find spare parts and support. Its condensing boilers recover the heat from the flue gases, so they heat the rooms and produce domestic hot water while using less gas than old traditional boilers. In our catalogue you'll find 66 models, all available, with prices ranging from about 79 to 2550 euros.

How many kW your home needs

A boiler's power is measured in kW and should be chosen based on the floor area, the home's insulation and the number of bathrooms to serve. Here's a practical guide:

  • Up to 24 kW: small and medium-sized apartments and houses with a single bathroom.
  • From 25 to 28 kW: larger homes or those with two bathrooms, where more hot water is needed at the same time.
  • Over 30 kW: large houses, villas or situations with high domestic hot water demand.

If you have doubts about the right size, our support service helps you identify the most suitable power without waste.

Condensing boilers and savings

A modern condensing boiler reaches very high efficiency because it exploits the latent heat of the water vapour contained in the flue gases. This translates into lighter gas bills and lower emissions. For those who want to assess the whole range, it's useful to compare the various models of condensing boilers and the wall-mounted boilers to install on the wall.

Domestic hot water always ready

Many Hermann Saunier Duval boilers are combi units, meaning they manage heating and hot water together. If instead you prefer to separate the functions or need large volumes of hot water, consider a dedicated water heater to pair with the home's heating system.

Comparison with other brands

Hermann Saunier Duval offers an excellent balance between quality and price, but it's always worth comparing. You can look at the offerings of other manufacturers to understand which solution best suits your needs and your budget, starting from the wall-mounted boilers section or the active offers.

Tax incentives and benefits

Replacing an old boiler with a high-efficiency condensing model may qualify for tax incentives where applicable, such as reduced VAT for renovation work. The conditions depend on the type of work, so it's best to check the up-to-date requirements before purchasing.

Related solutions

Frequently asked questions

How many kW should the boiler have for my home?
It depends on the floor area, the insulation and the number of bathrooms. For an average apartment with a single bathroom, 24 kW are often enough, while for large houses or those with two bathrooms it's better to go up to 28 kW or more. Our support service helps you choose the right power.
How much do you save with a Hermann Saunier Duval condensing boiler?
A condensing boiler recovers the heat from the flue gases and reaches high efficiency, so it uses less gas than an old traditional boiler. The real saving depends on usage habits and the home's insulation.
Are spare parts for Hermann Saunier Duval boilers easy to find?
Yes, Hermann Saunier Duval is a very widespread brand, so spare parts and service centres are easy to find. This makes maintenance simpler and the boiler more reliable over time.
Does the boiler also produce domestic hot water?
Many models are combi units and manage heating and hot water together. If you have a high demand for hot water, you can pair a dedicated water heater to always have enough hot water.
Can I get tax incentives on the boiler?
In many cases yes, when the installation is part of renovation work. The application of tax incentives, such as reduced VAT, depends on the type of work and the documentation, so it's best to check the up-to-date requirements.
How much does a Hermann Saunier Duval boiler cost?
In our catalogue prices range from about 79 to 2550 euros, depending on the power in kW, the type and the accessories included. All models in the catalogue are available and ready for immediate delivery.
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