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

On a facade, external thermal insulation (ITE) changes everything, including fire behaviour. As a tradesperson, you need to secure the job from the design stage onward — material choices, critical junctions, continuity, and how penetrations are treated — to stop a fire from spreading through the building envelope. With the right rules and the right reflexes, you gain in compliance, peace of mind and quality of installation.
5 min read

You're hearing more and more about decarbonized gases on job sites and from your clients, but between promises, costs, and constraints, it's hard to know what will actually hold up over 10 to 20 years. Your challenge is spotting the credible use cases, the equipment that might arrive, and the points of attention on safety, network, and maintenance, so you can advise without overselling. Here's a simple sort-through, to help you decide when to keep an eye on the topic, and when to stick with solutions that are already robust.
5 min read

In a co-owned building, the question of collective heating usually comes down to three points: real comfort in the flats, controlled service charges, and work that can be carried out without blocking the site for months. You have a key role in making a simple diagnosis, comparing scenarios, and securing a solution that passes the general assembly vote without bad surprises. And if the right option isn't the one people initially assumed, all the better: you save everyone time.
5 min read

Between air, argon, and krypton, the gas between the two panes can make a real difference to comfort and heat loss. As a tradesperson, it's a simple lever for hitting the right performance without unnecessary extra cost, depending on exposure, window size, and the client's budget. That means offering a clear solution, and avoiding choices made "by feel."
5 min read

When you choose a window, the solar factor Sw can make the difference between a pleasant room in winter and an overheating problem in summer. Set correctly, it helps you capture the right gains when it's cold, while limiting discomfort on sunny days. Here you'll find simple benchmarks to decide quickly, without ambiguity, and to justify your choice to the client.
5 min read

In multi-unit buildings, ventilation that actually works means fewer callbacks and calmer occupants. Between a single duct and a branched network, you're weighing three very concrete factors: space in the suspended ceiling, flow-rate balance between dwellings, and maintenance access. By clarifying these points from the initial visit, you secure both the choice and the installation.
5 min read

In a residential building, domestic hot water production can quickly become a headache between occupant comfort, plant room space and rising bills. You're in a position to propose a collective system that's simple to operate, with a well-designed distribution network and controls that avoid waste. Here's a rundown of the solutions and points to watch, to price accurately and deliver a clean job.
5 min read

On a ground-source project, the real difference between a groundwater circuit and a buried circuit is what you're allowed to do, and how you prove it. Between procedures, distances, pollution risks and inspections, you save time when everything is framed from the technical site visit onward. Here, we help you decide quickly between the two setups and secure your regulatory file, so you can move forward with confidence and deliver an installation that's clean, compliant, and free of bad surprises.
5 min read

On a job site, energy performance often comes down to details. Heating, ventilation, lighting, setpoints, schedules—everything can be controlled from a single interface, provided the right sensors and automation are in place. For you, as a tradesperson, this is a concrete lever to deliver the announced performance, limit drift and prove results to the client, without spending your days adjusting each piece of equipment one by one.
5 min read

On a renovation quote, the right figure in the right place can make all the difference. Understanding how a home's consumption translates into the equivalent used by calculation methods helps you explain your choices, size correctly, and avoid endless discussions. In short, you keep control of the announced performance, and of the client's trust.
5 min read

In a 1970s co-ownership, you often juggle facades that need treatment, aging utilities and decisions made by many voices. Your value is framing the project with a clear diagnosis, well-coordinated trades and a phasing that limits surprises and complaints. With the right method, you turn a heavy project into a readable action plan that pays off for the whole building.
5 min read

On a job site, the choice of materials quickly weighs heavily on the overall footprint. As a tradesperson, you can stay in control by favoring leaner solutions, planning the right items ahead of time, and avoiding back-and-forth that costs time and CO2. With a few simple habits, you reduce the impact while safeguarding quality and budget.
5 min read
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