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Articles by Argile

All our articles in the “Contractors” category.

ContractorsApril 27, 2026
Electrical connection for a heat pump: power and meter

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

ContractorsApril 27, 2026
Wall structural materials: impact on insulation

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

ContractorsApril 26, 2026
Solar thermal collectors: flat plate vs evacuated tube

On a solar hot water job, the right collector is the difference between an installation that runs all year and one that disappoints the moment it turns cold. Flat-plate glazed or evacuated tube, the real trade-off is between ease of installation, cold-weather performance and budget. Clarifying these points at the quote stage protects your performance and your client's satisfaction.

5 min read

ContractorsApril 25, 2026
Hybrid heat pump with oil boiler: modernising without changing everything

When a client wants to keep their oil boiler but cut the bill, you have a simple card to play: adding a solution that takes over as soon as the weather turns mild, without touching the whole radiator network. In practice, you modernise in stages, secure comfort, and make both the job and the quote easier, with a result that's quick to explain and to sell.

5 min read

ContractorsApril 25, 2026
Combined solar system (CSS): solar heating and DHW

When a client wants to heat the house and produce hot water with the same installation, you're the one who has to quickly separate promises from job-site reality. With the right configuration, you can aim for concrete savings on the bill, without complicating maintenance or overloading the boiler room. Here's a rundown of the choices that really matter, from sizing to connection.

5 min read

ContractorsApril 25, 2026
Combined solar system (CSS): solar heating and DHW

When a client wants to heat the house and produce hot water with the same installation, you're the one who has to quickly separate promises from job-site reality. With the right configuration, you can aim for concrete savings on the bill, without complicating maintenance or overloading the boiler room. Here's a rundown of the choices that really matter, from sizing to connection.

5 min read

ContractorsApril 24, 2026
Lime-Hemp Render: Insulation and Breathability

When you renovate an old wall, the real challenge is gaining comfort without trapping moisture in the masonry. With a well-proportioned lime and hemp mix, you can smooth out walls, improve the sensation of warmth and keep walls that breathe, without overengineering it. That gives you a simple, coherent and durable solution to offer your clients.

5 min read

ContractorsApril 24, 2026
Home batteries: storing PV electricity

Your customers want to use their solar electricity in the evening, without depending on the grid. With a properly sized home storage system, you turn a daytime surplus into real comfort and visible savings. The right choice hinges on usage, power demand and available space, not on a marketing promise.

4 min read

ContractorsApril 24, 2026
Insulating Stone Walls: The Precautions to Take

With stone walls, you don't play sorcerer's apprentice. For you as a tradesperson, the real challenge is keeping the wall healthy, without blocking moisture or creating hidden condensation, while still gaining comfort. Before choosing a build-up, check the condition of the joints, rising damp, and ventilation. A good solution respects the "breathability" of the old building, and saves you from costly callbacks.

5 min read

ContractorsApril 23, 2026
Anti-legionella: domestic hot water sanitary safety devices

On a poorly set domestic hot water (DHW) system, the health risk arrives fast. As a tradesperson, your value is delivering safe hot water production without overconsuming or tweaking settings blindly. Temperature, heat maintenance, circulation, draw-off points — every detail matters on site and in maintenance. With a clear method and robust settings, you secure the installation and avoid callbacks.

5 min read

ContractorsApril 23, 2026
Render-Based External Wall Insulation: Installation Techniques and Finishes

When you're doing external wall insulation with a rendered finish, everything comes down to the details. Substrate flatness, layout, mechanical fixing, treatment of singular points, each step protects your project from cracks and rework. With a clear method and clean finishes, you gain perceived quality and long-term peace of mind.

5 min read

ContractorsApril 22, 2026
Buffer tank: storing heat to optimize the heat pump

When a heat pump keeps short-cycling, efficiency drops and wear speeds up. By adding a properly sized volume of storage water, you smooth out the cycles, stabilize the flow temperature and gain comfort, without tinkering with the controls. Getting it right comes down to a few simple choices, set from the moment of installation.

6 min read

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