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Know-How

A guide to architectural lighting

An editorial library of concepts, principles and common mistakes in architectural lighting. Pick the topic you're interested in.

Residential lighting principles

Technical lighting knowledge

Why CRI 95+ changes everything indoors

CRI

Why CRI 95+ changes everything indoors

The gap between CRI 80 and 95 is not a technical detail — it's the difference between a flat and a cinematic interior.

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DALI vs. classic dimming: when it pays off

DALI

DALI vs. classic dimming: when it pays off

When phase dimming is enough and when a DALI bus with scenes really pays off.

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Why luxury hotels use warm light

Colour temperature

Why luxury hotels use warm light

2700 K isn't nostalgia — it's the tool hospitality uses to sell calm and luxury.

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What CRI is and why it matters

CRI

What CRI is and why it matters

CRI describes how faithfully a light source reproduces colour. CRI 90+ is the floor for premium interiors.

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DALI: the language of professional lighting

DALI

DALI: the language of professional lighting

The DALI bus addresses each luminaire individually, builds scenes and dims without flicker.

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Dimming without flicker or colour shift

Dimming

Dimming without flicker or colour shift

Good dimming is more than a slider — driver, curve and method decide whether the light truly breathes.

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Smart control: KNX, DALI, Lutron or Apple Home?

Smart control

Smart control: KNX, DALI, Lutron or Apple Home?

The system you pick defines comfort for the next decade. Each platform has its own logic — and its own audience.

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Colour temperature: 2700 K, 3000 K or 4000 K?

Colour temperature

Colour temperature: 2700 K, 3000 K or 4000 K?

CCT decides whether a space reads warm, neutral or clinical. In luxury the choice is usually between 2700 and 3000 K.

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Luminaire types: when to use downlight, linear or pendant

Luminaire types

Luminaire types: when to use downlight, linear or pendant

Each type has its own job. A professional lighting plan is about layering — not one "main light".

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Biodynamic lighting: what it really is and when it makes sense

Biodynamic lighting

Biodynamic lighting: what it really is and when it makes sense

It shifts intensity and spectrum across the day to support the circadian rhythm — not just a warm-to-cool colour change.

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