Technical and economic benchmarks for professional lighting: what to measure before investing, how to read a datasheet, how to finance a project and how to cope with environments that standard equipment cannot withstand.
Audit, renovation and profitabilityThe order of 23 February 2026 abolishes the CEE sheets BAR-EQ-110, BAT-EQ-127 and IND-BA-116. What remains in 2026 and how to finance your renovation.
7 min read
Choosing equipment and design officeATEX zones, -60 to +120 °C, high-pressure washing, salt air: what breaks a luminaire, what IP and IK really guarantee, why to calculate first.
8 min read
Choosing equipment and design officeUGR, CRI, uniformity, maintenance factor, L80, lm/W: what each indicator really measures and the pitfalls to spot on an LED data sheet.
8 min read
Standards and complianceIlluminance levels by federation, NF EN 12193, uniformity, glare, mast layout and obtrusive light: the logic behind the requirements.
8 min read
Choosing equipment and design officeWarehouse lighting: why measure vertical illuminance on the rack face, choose narrow optics and set detection aisle by aisle.
8 min read
Standards and complianceTertiary decree: lighting is the first item to tackle. Measuring consumption, NF EN 12464-1 levels, controls and financing without a CEE bonus.
8 min read
Audit, renovation and profitabilityPurchase, consumption, maintenance, oversizing: the full cost of LED lighting over ten years, broken down item by item with a real costed case.
7 min read