Technical guides
Sizing, flue gas evacuation, hydraulics, F-Gas, grants: what you need to know before quoting and installing.
- Pellet stoves
14 September 2026 · 5 min read
ENplus A1 or DINplus pellets: what it changes for the appliance and after-sales
Both certifications guarantee a clean pellet. What matters for your customers: ash content, fines, length, storage. And why a bad bag generates more service calls than a bad setting.
Read more - Reversible air conditioning
12 September 2026 · 6 min read
F-Gas and R32: what the installer needs to have in order
Certification, charge log, labelling, leak checks, refrigerant recovery: the obligations that come with every air conditioning system installed, in Belgium and in the European Union.
Read more - Reversible air conditioning
10 September 2026 · 5 min read · Kaisai
Mono-split or multi-split: choosing the configuration without getting the compatibility wrong
A multi-split gives you a clean facade and a single wall penetration, but every outdoor unit + indoor units combination must appear in the manufacturer's table. Here is how to decide and how to check.
Read more - Reversible air conditioning
8 September 2026 · 7 min read · Kaisai
Sizing a reversible air conditioner: kW, SEER, SCOP and cold weather
Between 80 and 120 W per m² depending on the room, a look at the SCOP rather than the SEER alone, and the minimum outdoor temperature if the unit has to heat in January.
Read more - Pellet stoves
5 September 2026 · 8 min read
Hydro stove and pellet boiler: the basic hydraulic layout
Buffer tank, anti-condensation valve, circulation pump, expansion vessel: what to allow for so that a hydro stove or a pellet boiler replaces an oil boiler cleanly.
Read more - Pellet stoves
3 September 2026 · 6 min read
Pellet stove flue outlet: what to check before you order
Rear or top outlet, diameter, lining an existing chimney, roof termination: the points that decide which model and which version to order.
Read more - Pellet stoves
1 September 2026 · 7 min read
Sizing a pellet stove: the method that avoids returns
An oversized stove idles, soots up and gets the customer grumbling. Here is how to choose the output from the volume, the insulation and the actual use, before you quote.
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