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● Available for 2026 — 3 slotsEST. 2014 — LIGHT / SPACE / ATMOSPHEREcalumeno.net
WE DESIGN
WITH LIGHT
NOT LAMPS.
CALUMENO is an architectural lighting studio. We turn concrete, glass and darkness into emotion — museums, hotels, homes and cities that breathe after sunset. 340+ spaces lit on 4 continents.
0Projects illuminated
0Design awards
0Years of glow
0%Energy saved avg.
ARCHITECTURAL LIGHTING ✦ DAYLIGHT SYSTEMS ✦ MUSEUMS ✦ HOTELS ✦ LIGHT ART ✦ CIRCADIAN DESIGN ✦ ARCHITECTURAL LIGHTING ✦ DAYLIGHT SYSTEMS ✦ MUSEUMS ✦ HOTELS ✦ LIGHT ART ✦ CIRCADIAN DESIGN ✦
01 — About Calumeno
Calumeno Lab
Rotterdam · Lisbon · Kyoto
● REC ● 2026Rotterdam · Lisbon · Kyoto
LIGHT IS OUR MATERIAL. DARKNESS — OUR CANVAS.
The name Calumeno comes from lumen — light. Since 2014 we research how photons shape sleep, focus, desire and memory. We don't sell fixtures. We compose atmospheres that make people stay, feel and return.
- ◍Human-centric. 2700K–5000K circadian scenarios, glare < UGR 16, flicker-free drivers. Light that respects biology.
- ◍Radically sustainable. 98% recyclable systems, daylight harvesting, sensors that cut consumption by up to 72%.
- ◍Art + engineering. Own prototyping workshop: brass, opal glass, mycelium diffusers, 3D-printed optics.
- ◍From sketch to switch. Concept, DIALux & VR simulation, custom luminaires, on-site tuning at night.
Founded by architect Mara Calu and light artist Jonas Meno. Today 24 designers, engineers and choreographers of photons. Clients: Aesop-like retail, boutique hotels, galleries, city councils and private villas who hate ceiling spots.
◐
Darkness first
We design shadows before light. Contrast creates depth, intimacy and luxury.
◑
Daylight obsessed
Light shelves, heliostats and atriums — free photons before electric ones.
◒
Timeless glow
No trendy strips. Systems that look perfect in 2036, not just on Instagram.
02 — Selected works 2022–2026
LIT SPACES THAT PEOPLE REMEMBER
Each project is tuned on site, at night, with dimmers in hand. No render tricks — only real lux, real skin tones, real goosebumps.
Hotel · Lisbon 2025
Nômade Lobby — 2200K embrace
Alabaster pendants + hidden coves. Check-in feels like sunset.
Museum · Rotterdam 2024
Archeo Vault — shadow choreography
Trackless museum: only objects glow, walls disappear.
Villa · Kyoto 2026
House of Mist — circadian villa
Daylight tunnels + evening amber. Melatonin-friendly luxury.
Installation · Berlin 2023
PULSE 1.2 — 40m light tunnel
Interactive neon fog. 180k visitors, 0 bulbs changed.
Office · Amsterdam 2024
North Light HQ — daylight first
-62% energy. Staff report +31% focus.
Restaurant · Paris 2025
Braise — fire without fire
Brass + opal + candle flicker algorithm.
03 — Services
FULL SPECTRUM FROM IDEA TO DIMMER
/ 01
Architectural lighting design
Concept, calculations, luminaire schedules, control scenarios KNX/DALI. For architects who want drama without glare.
/ 02
Daylight & wellbeing
Climate-based daylight modelling, circadian audits, WELL v2 Light credits, shade + glass optimization.
/ 03
Custom luminaires
Calumeno Atelier builds one-off pieces: blown glass, stone, recycled aluminium. Prototyped in 2 weeks.
/ 04
Light art & media facades
Festivals, facades, lobbies that react to sound, wind and people. From poetic glow to full RGB mapping.
04 — How we work
NIGHT TESTS, NOT PROMISES
Four steps. One rule: we never hand over a project we haven't seen glowing in darkness.
01
Listen in dark
We visit at night. Measure, photograph, interview. What should people feel here at 22:14?
02
Paint with lux
Moodboards, VR walkthroughs, 1:1 mockups. You see light before you pay for it.
03
Build & hide
Drawings, custom optics, hidden profiles. Technology disappears, atmosphere stays.
04
Tune till tears
Final aiming + programming on site. 2700 scenes? We'll dim them one by one.
Lab note
We prototype every shadow
In our 400m² black box we test skin tones, stone textures and art under 12 different spectra before specifying a single fixture.
Field note
2 a.m. is our favourite meeting
Cities reveal truth at night. We aim, dim, walk, repeat — until a security guard says “wow”.
05 — Calumeno Journal
NEWS, RESEARCH & GLOW LOGIC
Circadian science, behind-the-scenes, failures and breakthroughs. The diary of people obsessed with photons.
QUESTIONS IN THE DARK?
How much does lighting design cost? +
Residential from €4.5k, hospitality / museum from €12k, custom luminaires separately. You get concept, calculations, control scenes and night tuning. No fixture markups — we are independent.
Do you work outside your cities? +
Yes. 70% of projects are remote + 2–3 site visits for aiming. We have lit spaces in 14 countries, from fjord cabins to desert hotels.
LED is bad for health, true? +
Bad LED is. We specify flicker-free (SVM <0.4), high CRI 95+ and circadian dimming that shifts from 5000K day to 2200K evening automatically.
Can you use our architect's fixtures? +
Absolutely. We are brand-agnostic. If needed, our atelier builds custom pieces that no catalogue has.
How long does a project take? +
Apartment 3–5 weeks, villa 2–3 months, hotel / museum 4–9 months including prototyping and on-site tuning.
● 06 — CONTACT
LET'S MAKE YOUR SPACE GLOW.
Rotterdam · Lisbon · Kyoto — working worldwide. hello @ this domain · reply in 24h. Or leave your brief:
✦ 340+ projects✦ 4.9/5 rating✦ Since 2014