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

In an unheated loft, a poorly insulated ventilation duct can quickly cause condensation and airflow loss, followed by service calls you could have avoided. With a few good habits around choosing the insulation, sealing the connections, and routing the ductwork, you secure the job's performance and durability. The idea is to keep air circulating well, with no moisture creeping in where it shouldn't.
5 min read

When a client is torn between a heat pump, a boiler, wood, or a hybrid setup, it's often up to you to turn the building's data into a clear choice, without an endless debate. With a simple grid, you quickly compare constraints, budget, use, and knock-on work, and you can justify your recommendation in black and white. The result: a stronger quote, and a job that starts without any grey areas.
5 min read

On your projects, CO₂ (R744) changes the game when you need to maintain high water temperatures without piling on control complications. For you, it's a concrete path to delivering more stable installations, especially in renovation, with a "natural" refrigerant logic that also speaks to clients. Here's a rundown of the strengths to know before proposing it.
5 min read

In a workshop, a warehouse, or a small commercial building, heating quickly and well changes everything. A warm-air generator can be a simple solution if you size it correctly and address the essentials first — insulation, airtightness, zones to heat. Here, we help you choose a reliable, efficient installation that's easy to maintain on site.
5 min read

On site, a heat pump's performance isn't decided by a product sheet, but by a few well-chosen figures. By mastering the seasonal efficiency calculation, you secure your sizing, your settings and your pitch to the client, without getting lost in acronyms. Here, we get straight to the point, with a simple, repeatable method.
6 min read

Outdoors, insulating a pipe network is often the detail that avoids callbacks. You gain on two fronts: less heat loss, less risk of freezing and condensation, so fewer breakdowns and service calls. With a few good installation and protection habits, you secure performance without adding extra work for your teams.
4 min read

When you need to enter a Ug value in Argile, the hard part isn't the calculation itself — it's staying consistent between manufacturer values, tables, and what you actually enter. With a simple method, you avoid the discrepancies that skew the final result and save time when pricing the job. We'll walk through the right habits, from choosing the value to entering it, without drowning you in technical detail.
6 min read

On a job, what makes the difference is a clean, compliant flue, even before you think about finishes. Between the rules to follow, the right diameter and the choice of material, you need to move fast, without improvising. With a few concrete reference points, you secure the installation, avoid rework, and deliver a clean result the first time.
5 min read

On site, the combo of an air-to-water heat pump and underfloor heating often makes the difference. You gain comfort, with gentle, even heat, and you offer an installation that's easy to sell because it speaks to the client right away. The remaining task is to get sizing, controls and flow temperature right to avoid after-sales callbacks.
5 min read

Between quotes, job-site constraints and grants, every energy retrofit project demands quick, accurate decisions. An AI assistant designed for tradespeople helps you scope needs, check the key points and prepare your arguments for the client, without drowning you in technicalities. You stay in control, the tool saves you time where it counts.
5 min read

Between quotes, invoices, grant applications and tracking your teams, the risk isn't lacking skill — it's losing time retyping the same information everywhere. When everything lives in one place, you gain responsiveness, secure your paperwork, and keep a clear view of the job, from the first estimate to handover.
4 min read

In a renovation, heat losses don't always come from large surfaces. A discreet zone above the windows can create a real draft and ruin otherwise well-executed insulation. As a tradesperson, you can gain quickly here: immediate comfort, fewer cold surfaces, and a clean finish that avoids callbacks.
6 min read
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