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

When ceiling height changes, your heated volumes change too. And that's often where the sizing of a heating or ventilation system starts to go wrong, both on the quote and on the bills. As a tradesperson, a few simple measurements and a clean volume calculation let you price accurately, compare consumption consistently, and avoid unpleasant surprises at handover.
6 min read

When a client talks to you about comfort and a rising bill, it often all comes down to one simple number that everyone can agree on. Reading it correctly, then calculating it without mistakes, is what lets you compare two insulation materials, justify a thickness and secure your job. With a few concrete reference points, you save time and avoid endless discussions.
6 min read

On site, your work speaks for itself. Online, it's mostly customer feedback that makes the difference, even before the first phone call. When reviews are well collected and well displayed, they reassure prospects, cut down on "just looking" quote requests, and help you close deals faster without discounting your prices.
5 min read

On a 1960s house, your good choices often come down to two visits. A first to spot heat leaks and the "easy" items, a second to lock in a work order that avoids rework and disputes. With a simple method, you save time on site, and your clients quickly see the difference in comfort.
5 min read

When you're lining an interior wall, the real challenge is choosing a solution that installs quickly, stays sound over time, and avoids bad surprises with moisture. Bonded insulated composite panel or stud-framed partition, each option changes how you handle services, plumb lines and thermal bridges. With the right method, you save time on site and secure the final performance, without unnecessary extra thickness.
5 min read

On site, “invisible” thermal bridges can quickly derail a stated performance level. Once you know how to read this coefficient linked to junctions, you can pinpoint where heat is escaping, prioritise fixes, and keep your calculations and quotes reliable. In short, it's a small number that prevents big surprises at testing or handover.
5 min read

On a job site, the bags fill up fast. By sorting from the start, ordering more precisely and reusing what can be reused, you cut down on trips, skip-hire costs and the mistakes that eat into your margin. The payoff: a cleaner, smoother job site, and a client who notices the difference.
5 min read

Once a job is done, it doesn't all stop at the final finish. A call at day 7, then a simple check-in at 3 months, is often enough to defuse minor issues and show that you carry quality through to the end. The result: reassured clients, more referrals, and fewer disputes dragging on.
5 min read

When you install a heat pump, the electrical connection can quickly make the difference between a smooth commissioning and a project that drags on. Power to plan for, protections at the consumer unit, meter rating — you need clear figures to size things right, without extra cost or nuisance trips. Here, we put the key points back in the right place, with concrete benchmarks for your quotes and your checks.
5 min read

On a job site, the material of a load-bearing wall changes everything: winter comfort, moisture management, and the space available for insulation. Concrete, brick, stone, or timber frame, each case calls for a different strategy to avoid thermal bridges and condensation issues. By getting a handle on these points as early as the site visit, you save time, and you secure the result for the client.
5 min read

On site, an accurate diagnosis and correct sizing are what save you from callbacks, repeated adjustments and runaway energy bills. Taking the time to ask the right questions, floor area, insulation, usage patterns, emitters, secures your equipment choice and your commissioning. The result: an installation that keeps its promises, and a reputation that follows.
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 favouring 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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