News
All our articles in the “RGE sector” category.

On site, a wall's performance isn't a matter of feel but a simple number that speaks for itself. Reading a U-value correctly means knowing where losses occur, comparing two solutions without error, and justifying your choices to the client in clear terms. With a few reference points, you save time when quoting and secure the result once the wall is closed up.
5 min read

Between rising prices and pressure to cut carbon, your clients want cleaner heat without redoing the whole installation. Renewable gases can meet that expectation, provided you get a good grip on the feedstocks, gas quality and the network and boiler adaptations involved. For you, it is also new ground for advice, simple, concrete, and something you can build into your quotes.
5 min read

On the ground, you see it every day. Every new project nibbles away a bit more space, while existing buildings wait for a second life. By betting on renovation, you meet demand, secure shorter timeframes, and add value to what already exists with concrete solutions: insulation, ventilation, efficient heating. It's also a strong argument with project owners. Less ground footprint, more usability, and a project that's more locally acceptable.
5 min read

The path to 2050 is also decided on your job sites. Between insulation, heating, ventilation and control, you can turn a "standard" renovation into a genuine, measurable gain, without complicating the project for the client. The challenge is choosing the right work packages, in the right order, to durably cut emissions and bills.
5 min read

R290 marks the return of a simple, efficient refrigerant. For you, as a tradesperson, it's an opportunity to offer more efficient installations, with a natural refrigerant gaining ground and clients asking more and more questions about it. Between choosing the right equipment, safety constraints and installation best practices, it's better to come prepared.
6 min read

On the job site, every degree counts. A machine that's more stable in cold weather, more efficient and easier to size means fewer callbacks and more margin for you. Ejector-equipped models open up an interesting path when you're aiming for good winter performance without moving to overly complex solutions. If you equip homes exposed to frost or demanding renovations, this is a technology worth keeping on your radar.
5 min read

When a project demands zero compromise on fire safety and watertightness, you need an insulation material that stays reliable even in humid environments, basements, or flat roofs. This one ticks those boxes without asking you to cut corners on installation, and it holds up well over time. That means secure performance and finishes, plain and simple.
5 min read

Wood pellets emit CO through auto-oxidation, with dangerous concentrations in a closed silo. Detector, ventilation, outdoor silo, and intervention rules: prevention comes down to four points.
6 min read

Radon kills 2,500 to 3,000 people a year in France. Dosimeter measurement, slab airtightness, redesigned ventilation and SSD: the technical levers to master during renovation.
6 min read

On a heat pump, the condenser is often the part that makes the difference between a 'decent' machine and a genuinely high-performing one. Microchannel heat exchangers change the game with a more compact format and more even heat transfer, giving more stable efficiency on site. As an installer, this is a concrete way to gain on footprint, installation, and customer satisfaction.
5 min read

When a client asks you for a solution that's quiet, reliable, and holds up through winter, the compressor choice often makes the difference. Scroll or rotary isn't just a matter of price. By understanding their strengths and limits, you secure the sizing, acoustic comfort, and lifespan of the installation.
5 min read

On site, the real question isn't the 'best COP' on a spec sheet, but what the machine delivers when demand drops, in mid-season or when just holding temperature. At partial load, a heat pump can gain in efficiency… or collapse if the controls and sizing don't keep up. By mastering these gaps, you protect the quoted consumption figures and your clients' satisfaction.
5 min read
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