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

A well-installed heat pump is often the difference between a delighted client and a job that drags on through after-sales service. As a tradesperson, you have three simple levers, proper sizing, clean settings, and a well-prepared hydraulic circuit, to secure performance and consumption. And when everything is squared away from commissioning, profitability follows, with no vague promises or mid-winter surprises.
5 min read

On site, external wall insulation is often decided by the details. Layout, thermal bridges, base starter, finishes, every choice matters to hold performance and avoid costly rework. If you set a clear method from the site visit onward, you save time, secure quality, and leave a clean result your client sees right away.
5 min read

When your clients want to renovate without getting lost in grants, quotes and technical choices, you're the one who brings order to it all. With a simple 5-point method, you save time, secure the job, and explain the value of your recommendations more clearly. Enough to move quickly, with no vague promises or unnecessary complexity.
5 min read

On a roof, orientation and the zone you're working in change everything, both for summer comfort and for winter gains. By mastering the coverage factor, you can justify your choices to the client without endless calculations, and secure the actual performance of the job. The idea is simple — aim for the right balance between protection and gains, based on the façade and the local climate.
6 min read

A quote that lands right is rarely a matter of price. It's mainly your ability to understand what the client really wants, long-term savings or immediate comfort, and translate that into clear options. By asking 3 or 4 good questions right from the site visit, you avoid misunderstandings, secure the signature and add value to your advice, without burying the client under details.
6 min read

Replacing a collective boiler is often a mix of technical, budget and timing considerations. For you, the tradesperson, the real win is helping the building council decide quickly. By asking the right questions right away (breakdowns, consumption, boiler room constraints, subsidies), you turn an endless debate into a clear decision.
6 min read

Between a single system and room-by-room equipment, the question isn't the technology, it's the right project scenario. As a tradesperson, you save time when you know where the real costs hide — network to build, maintenance, controls, and above all how the home is actually used. The idea is to choose the solution that holds up over time, not just on the quote.
5 min read

On an energy retrofit site, the difference between a satisfied client and a blow-up often plays out at your interfaces. When insulation, ventilation and heating follow one another, simple coordination, clear handover points and sharply defined responsibilities prevent rework and tension. You save time, you secure quality, and so do your partners.
5 min read

On a job site, mistakes don't forgive. A gap in a quote, poorly checked information about a grant, and you lose time, or even end up with an unhappy client. With an AI assistant built for energy-renovation professionals, you secure your answers, your technical choices and your deliverables, without drowning in paperwork.
4 min read

When you size ventilation, a hot water tank or even insulation, the number of people in the home changes everything. Too optimistic, and you underestimate humidity, needs and usage, and the job gets complicated after handover. We lay out simple benchmarks for what can be expected by home type, so you can price accurately from the start.
5 min read

For sizing that holds up, everything hinges on the right local cold-weather scenario. As a tradesperson, this benchmark is what keeps you from installing a heat pump that runs at overcapacity or, conversely, an oversized system that costs more and regulates poorly. With a few simple checks, you can secure your power choice and your on-site performance.
5 min read

Between a single hydraulic network and room-by-room equipment, your clients mainly want comfort without a runaway bill. In renovation, the right choice turns on three very concrete points: the state of the building, actual usage patterns, and the ability to control zone by zone. By framing these criteria as early as the visit, you secure the quote and avoid bad surprises on site.
5 min read
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