Top 3 most economical boilers



The heating station is one of the most important expenses at the home level, so installing a cost-effective and efficient boiler is paramount. Small focus on the most economical boiler solutions, in terms of purchase, yield and use.

Saving heating costs, of course, through better insulation, but also through the installation of an efficient and economical heating system. Hot water production and home heating are the source of significant expenses, Ademe sets their share in the total energy consumption of a dwelling at 60% and up to 75%. Very high numbers that can only push to choose carefully its boiler, the heart of your heating system. But it all depends on the savings you want to achieve: do you want an economical boiler to buy, a long-term profitable boiler or a boiler that consumes very little? There are solutions for each case.

1. Economic solution to purchase: electric, oil or gas "standard" boilers

If the savings you want to achieve are a buy-to-let economy, you will have to move towards small models of so-called "standard" boilers, excluding renewable energies in favour of fossil fuels such as gas, electricity or fuel oil. So buying a small oil, gas or electric boiler will allow you to get a boiler for a budget between 1000 and 1500 euros, excluding tax and tax free, one of the lowest price brackets. Between gas, fuel oil and electricity, the cheapest energy to use is gas. With a year-round price estimated at 1508 euros compared to 2005 euros and 2598 euros respectively for fuel oil and gas, the gas boiler will be the cheapest to use.

Beware, these models have a significant purchasing savings but it is important to know that they do not qualify for the tax credit and that they will be less profitable over time, their performance being less than more models (such as condensation, micro-cogeneration boilers or models using renewable energy such as wood boilers). On the other hand, the ecological footprint of these models will remain high. A direct economy, therefore, but without a sustainable approach both financially and ecologically.

2. Efficiency-efficient solution: condensation boilers

For households that want to achieve real savings in usage and yield and have a decent budget, the choice should preferably be made on gas condensation boilers. Thanks to their advanced technology, condensation boilers recover heat from the water vapour from the combustion and use it to heat the return water of the radiators. For example, manufacturers estimate that a condensation boiler has a 10-15% higher efficiency than other models and can achieve 20-30% efficiency in use. The purchase price of a condensation boiler is of course higher, with an average budget of around 3000-3500 euros (excluding installation, and tax-free). However, according to the Housing Improvement Agency (ANAH) for uninsulated attic housing the return on investment is estimated at 7 years with about 500 euros of annual savings. On the other hand, gas condensation boilers are eligible for a tax credit of 10% for the installation of the boiler alone, and 18% for the completion of a bunch of works.

3.La ultra-economical solution for use: wood boilers.

But one of the most economical solutions for use is the wood boiler. Indeed, wood is the cheapest energy with a budget of 765 euros per year (or 65 euros/stere), making the wood boiler one of the most cost-effective solutions for use. On the purchase price side, wood boilers are in the upper range of tariffs with a very wide price range depending on size, type of fuel (pellets, pellets or shredded wood) and type of operation (automatic or manual). The average price of wood boilers is around 6000 euros (excluding installation, tax-free), however, wood boilers are eligible for one of the highest tax credits in its class, 15% for installation, and up to 26% if you replace a boiler existing wood (rates increased to 23% and 34% years the framework of the realization of a bunch of works.)

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