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Gas Boiler

A gas boiler is the most common heating device in French homes. It heats the home by producing warm water from burning fuel. The hot water is then circulated around the home by a network of pipes and radiators.

Why choose a gas boiler?

Gas boilers have many advantages over their oil and electric counterparts. Easy to install and use, a gas boiler doesn't require you to store any fuel if you're connected to your local natural gas supply. It can be wall or floor-mounted, can run on propane and, if combined with an accumulation tank or water heater, can supply hot water to a home. The basic outlay is modest and the price of gas is lower than oil or electricity. From an environmental viewpoint, gas is cleaner than oil even though it's a fossil fuel.

You can also optimise your gas boiler's performance to make it even more efficient: by installing a thermostat you can adapt your heating to your lifestyle and make substantial energy savings. You can also equip your gas boiler with an outdoor sensor, which adjusts the heating to the temperature outside.
The few drawbacks of a gas boiler can be remedied by choosing one of the latest low-temperature or better still condensing gas boilers.

Low-temperature gas boilers

Unlike the gas boilers available 10 years ago, low-temperature gas boilers heat the water in the system to a temperature of no more than 60°C, compared with 90°C previously. This uses less fuel and creates energy savings of 10% to 15%, while also providing an equivalent level of comfort.

The energy efficiency of this type of boiler is also far higher than a standard gas boiler. The French environment and energy conservation agency (ADEME) says that 50% more energy is produced for every 1 kWh consumed.

Although low-temperature gas boilers aren't eligible for the French tax credit, they can receive a subsidy from the national housing improvement agency (ANAH). Discover all our products

Condensing gas boilers

Also called high efficiency boilers, condensing gas boilers use new technology for greater energy efficiency. By capturing the heat in the water vapour emitted during combustion, they can create energy savings of around 30% compared with a standard gas boiler.

With an efficiency rating of nearly 100%, a condensing gas boiler uses less fuel than a traditional or low-temperature boiler. It's also the only gas boiler eligible for the energy transition tax credit or the energy bonus. These subsidies can help you with the cost of renewing your home heating system.

Although a condensing gas boiler means you'll need to install a PVC flue or line the existing flue, this also improves the safety of your heating system: a condensing boiler emits less CO2 and the suction technology limits the risk of carbon monoxide poisoning in your home.

When installing a condensing gas boiler you can choose from two different types: wall or floor-mounted boilers. Wall-mounted boilers take up less space in your home, although if you have a garage or basement you can opt for a floor-mounted boiler.

Subsidies for funding a new boiler

  • The energy transition tax credit
The tax credit was introduced by the French government and the environment and energy conservation agency (ADEME) to encourage people to upgrade outdated heating systems and buy the most environmentally friendly boilers. It provides a 30% relief on the heating equipment purchased when submitting an income tax return. To receive it, you need to choose an eligible boiler such as a condensing boiler, fit it in your main residence and have the installation work carried out by a professional technician who is environmentally certified ("RGE").
  • ANAH subsidies
Under certain conditions, the French national housing improvement agency (ANAH) subsidises work to improve the energy efficiency of older homes. On a means-tested basis, homeowners on low incomes can receive a subsidy of €1,600 to €2,000 to replace a boiler or change their heating system. Once again, the work must be performed by an RGE professional.
  • The ecology bonus
The energy bonus, another subsidy that can reduce the cost of changing your heating system and which was introduced by the government to encourage energy savings, is a subsidy awarded by the major energy providers (EDF, Total, etc.) when installing an efficient heating system such as a condensing gas boiler. The amount of the bonus can vary depending on the extent of the work required and how large the home is.

Maintaining a gas boiler

Not only is the annual servicing of your gas boiler mandatory, it's also very effective at preventing the risk of poisoning by carbon monoxide, a potentially deadly gas released into the home by poorly maintained boilers during the combustion process. By law, the tenant of a residence is responsible for having this servicing carried out by a boiler technician, except if there is a communal boiler, in which case the landlord or managing agent is responsible.

This precaution allows you to use your boiler safely, as well as extend its life by replacing worn parts as required. Your landlord or insurance provider may also ask you for a servicing certificate issued by a professional.

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