News
Regulation, field practice and tools: our analysis to help renovation professionals sell and deliver energy retrofits.

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, a few millimetres often make the difference between a satisfied client and a callback. Between a basic solution, a high-performing standard or a very insulating option, you need to decide fast, based on exposure, noise and budget. With the right benchmarks, you save time on quotes and secure the result.
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

Between what's advertised on the product spec sheet and what actually reaches the rooms, the gap can be surprising, and that's often where your clients have a thousand questions. By breaking heating performance down into 4 complementary levels, you quickly spot where the energy is lost: generation, distribution, emission, control. Enough to cost a gain, explain your choices simply and secure your on-site recommendations.
5 min read

On a job, the right scenario is often the one that holds up on the ground, not the one that ticks every box on paper. With automatic recommendations, you save time sorting through options, comparing impacts, and starting right away with a clear pathway suited to the building and the client's budget. That means more secure proposals, and faster progress without getting bogged down in settings.
5 min read

On site, summer comfort matters as much as heating. With a ducted solution, you can aim for even temperatures room by room, with no visible wall units, and keep the home simpler to live in day to day. For it to really work, everything hinges on correct sizing, diffuser placement and installation quality. Here we get straight to the point to help you secure the result and avoid callbacks.
5 min read

On site, a well-run thermal diagnosis saves you from guesswork and costly client call-backs. With a simple, step-by-step method, you quickly spot the weak points dragging down performance and prioritise the work without oversizing. The result: more accurate quotes, measurable savings, and a clear technical case to make to the client.
5 min read

When a boiler seems "sufficient", the real question on site is what it actually delivers. By measuring power output cleanly, you validate the settings, spot a drop in efficiency before it becomes a breakdown, and back up your recommendations to the client. The payoff is fewer callbacks and clearer decisions, without a sterile debate over kW.
5 min read

A poorly treated thermal bridge is often just a few metres of junction ruining an otherwise good insulation job. On site, knowing how to estimate these losses in the right place helps you prioritise rework, justify a solution, and avoid bad surprises at the airtightness test. With a simple method and clear orders of magnitude, you save time and credibility with the client.
5 min read

When you identify a house's heat leaks, you immediately know where to act and where your clients will really gain comfort. In a typical house, the roof, walls, windows, floor and ventilation don't carry the same weight. By framing this diagnosis simply, you prioritise your work packages, secure the budget and avoid works that make a lot of noise for little result.
5 min read

Between wood joists, every centimetre counts. When insulation is poorly jointed or interrupted, losses come back quickly and your customers feel it by the first winter. By controlling insulation continuity and airtightness, you deliver a more comfortable floor, with no cold zones and no nasty surprises at inspection.
5 min read

On a job site, the right energy setting isn't a guess. By precisely measuring the heat produced and actually delivered, you prove your results, spot drifts quickly, and secure both the bill and the settings. It's a small piece of equipment, but a major lever for running an installation and showcasing your work.
5 min read
One demo, and you see your expertise proven.
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