I've been buying lighting for hotels and commercial interiors for eight years. In that time I've made roughly three significant lighting mistakes, totaling about $6,800 in wasted budget. Every one of them had the same root cause: I treated lighting procurement as a product-selection task.
2019, a coastal boutique hotel project. In the lobby we specified the moooi Perch Light. In the restaurant, moooi Starfall Light. On the main terrace, a coastal chandelier. All the back-of-house and secondary corridors got standard LED high bays.
Every supplier delivered on schedule. We inspected each batch. On handover day the client stood in the lobby and said: "Something feels off."
My first reaction was that the chandelier was hung in the wrong position. We had the installers adjust it three times. Still off. The client wouldn't sign off for a week. I nearly issued a return notice.
The fixtures were fine. Genuinely—every single one was within spec. The problem was something we never did: planning the light area.
What we actually got wrong
Most commercial lighting projects run on two parallel tracks:
- Decorative track: fixtures specified by the designer or owner—things like the moooi line, chosen for their iconic, artistic quality. The Perch Light lives here.
- Functional track: specified by the MEP consultant or the general contractor—high bay LEDs, downlights, track heads, emergency lighting.
These two tracks don't intersect at the drawing stage. They only "match positions"—plot the points, check for clashes. But nobody checks the demand of each light area: how many lux does the zone actually need, who carries the ambient layer, how much does the decorative fixture contribute to the room's overall brightness.
Our lobby was the textbook failure. The Perch Light does what it's designed to do—a glowing bird perched on a branch. It doesn't carry the task light for the front desk. On the drawing, it sat next to a white wall. We installed to the drawing. The reception surface ended up too dark to sign a document without strain.
The prettier the decorative fixture, the easier it is to forget it's carrying the ambient layer, not the lux.
Two other traps:
Dimming protocol mismatch. During the post-mortem we discovered that high bay LED dimming has its own discipline—0-10V versus DALI, constant current versus constant voltage, phase-cut versus PWM. Someone on our team had done a careful review of how to dim LED high bay lights. Nobody applied the same scrutiny to the decorative fixtures' dimming compatibility. The result: both fixture types ended up on the same control panel. Press the dimmer and the high bays jumped to 10% while the Perch Light stuttered three times before going dark.
Environmental testing skipped. We never specified a salt-spray test level for the coastal chandelier in the contract. Three months later, sea air and salt spray had pitted the metal fittings. The supplier said it wasn't covered—the contract said "suitable for coastal environments" without naming a test standard. A small pre-shipment batch would have caught that.
Each of those details looks minor on its own. Together they add up to one thing: nobody owned the light area. The designer owned product selection. The MEP consultant owned fixture points. The GC owned installation. Nobody owned "is the light in this room actually right."
What it cost
- Dimming system rework: roughly $2,800, including replacement driver modules and re-pulling signal cable
- Replacement control panel: about $1,400
- Coastal chandelier anti-corrosion treatment: roughly $900
- Client trust: handover delayed 11 days, and the next three phases of the project all went out to competitive bid
Add the original commissioning and re-testing costs and the total came to about $5,100. But the expensive part wasn't the money. It was the sentence the client said next: "Maybe high-end fixtures aren't as reliable as they look." That line nearly killed a three-year relationship.
What I do now (short checklist, but it holds)
From the second project in 2020 onward I set one hard rule for myself: the person responsible for decorative lighting and the person responsible for functional lighting have to be the same person. Not the same supplier—the same internal owner.
The checklist:
- Build the light area table at drawing stage. For each space, list: function, target lux, decorative contribution ratio, dimming protocol, maintenance cycle. One A4 page is enough.
- Settle the dimming scheme before ordering. The high bay LED and the decorative fixtures' dimming protocols have to be confirmed compatible with the same panel at drawing stage. If they're not, run two separate control systems.
- Coastal projects: before any coastal chandelier-type fixture ships, require a third-party salt-spray test report (typically 96-hour neutral salt spray). No report, no full shipment—run a small batch first.
- Don't skip the small orders. We've run protocol compatibility tests on two small batches for under $400 total, and each one saved a rework bill that would have been ten times the test cost. I've said this before and I'll keep saying it: a small order isn't worthless. It's the cheapest way to surface a big risk early.
Here's the part I still find interesting. The thing I spent the most time researching back then was technical—how to dim LED high bay lights, how to match protocols, how to calculate lux. What actually cost me money wasn't a technical gap. It was failing to put the technical answers back into the room and ask whether the light area, as a whole, made sense.