Latest / Restaurant Business with Fexingo: Food Service, Hospitality, and Independent Operators / How Restaurant Lighting Affects Per-Head Revenue
Transcript
- Lucas: So, we talk a lot about menu engineering and pricing, but there's one element in the dining room that affects spending without the customer even noticing it — lighting. Luna: I've definitely had meals where the lighting was so bright I felt rushed, and others where I lingered over an extra glass of wine because it felt cozy. Lucas: Exactly. And that's not an accident. A 2024 study from Cornell's Center for Hospitality Research looked at how ambient light levels affect check size and dining duration across 42 full-service restaurants. Luna: What did they find? Lucas: Their headline number: when restaurants dimmed their lights from around 500 lux — think of a well-lit office — to roughly 150 lux, which is more like a candlelit room, average check size increased 12 to 15 percent. Luna: That's significant. But I'm guessing there's a trade-off with table turns? Lucas: Right. The same study found that dimmer lighting also extended dining time by about 7 to 10 minutes per table. So you get higher check size but slower turns. The net effect on revenue per seat depends on your price point and how many turns you normally do. Luna: Makes sense. A high-end steakhouse that does one or two turns a night would benefit from the higher check, while a busy lunch spot might lose money if people camp. Lucas: Precisely. There's a great example from a Chicago steakhouse I spoke with last year. They switched from 400-lux general lighting to focused table-level lighting with warm 2700 Kelvin bulbs and candles on every table. Their per-head average went from $85 to $98 — about 15 percent — and wine sales specifically jumped 22 percent. Luna: Candles probably play a role there. There's something about a flickering flame that makes people order a second bottle. Lucas: There's a psychology to it. Warm light — especially candlelight — triggers a relaxation response, and people are less price-sensitive. They're more likely to add an appetizer or a dessert. The Cornell study actually isolated candlelight as a separate variable and found it boosted dessert orders by 18 percent versus overhead dimmers alone. Luna: So the fixture type matters too? Lucas: Hugely. Directional light — like a pendant or a spotlight over each table — creates a 'theatre of food' effect. It highlights the plate, makes the colors pop, and keeps the customer focused on the meal rather than the room around them. That tends to increase perceived value and willingness to pay. Luna: Whereas diffuse, even light makes the space feel more like a cafeteria. Lucas: Exactly. One New York bistro I know of tried to cut costs by replacing their dimmable track lighting with standard LED panels. Within a month, their average check dropped 8 percent and online reviews mentioned the 'harsh light' negatively. They switched back within two weeks. Luna: That's a cautionary tale. So what should an independent operator consider when designing their lighting plan? Lucas: Think in zones. You want a different lighting level for the bar, the dining floor, and private areas. And you want it to be adjustable by daypart. Lunch crowds need more light — around 400 to 500 lux — to keep energy up and turn tables faster. Dinner can drop to 150 to 200 lux. Luna: And dimmers are cheap compared to a menu redesign. Lucas: Right. A decent dimmer switch costs maybe 30 dollars. Putting all your dining room lights on a dimmer should be a first step for any operator. Then you can experiment with color temperature — 2700 Kelvin for warm, 3000 Kelvin for neutral. Avoid anything above 3500 Kelvin for dinner service — it's too blue and clinical. Luna: What about the bar area? I feel like bars need their own logic. Lucas: They do. Bar lighting should be slightly brighter than the dining room — around 300 lux — because customers need to see the drink menu and the bartender needs to work. But still warm. And if you have a separate lounge, you can go as low as 100 lux to encourage lingering and drink orders. Luna: It's fascinating how much of hospitality is really applied psychology. Lucas: It is. And the best part is, you don't need an expensive consultant to get started. Grab a light meter app for your phone, note the lux levels in your dining room right now, then experiment with dimming and fixture angles over a few weeks. Track the changes in check size and table time. Luna: And ask your servers for feedback. They'll notice if customers are squinting or pulling out phone flashlights to read the menu. Lucas: That's a real problem. If the lights are too dim, people can't read the menu, which frustrates them and slows service. The Cornell study noted that below 100 lux, satisfaction scores dropped sharply, even though check size kept rising. So there's a sweet spot around 150 to 200 lux for dinner. Luna: So it's not just 'dimmer is better'. It's a balance. Lucas: Exactly. And that balance changes with your concept. A fast-casual place should stay brighter — around 400 lux — to reinforce speed and efficiency. A fine-dining room can go lower. But every operator should be intentional about it rather than leaving factory-default bulbs in place. Luna: Speaking of being intentional, we put a lot of intentional work into these episodes, and they're ad-free, which is something we're proud of. If you've found this useful — maybe you're planning to tweak your own lighting — a couple of dollars a month at buy me a coffee dot com slash fexingo genuinely helps keep the research going. Lucas: Yeah, it's a small thing that makes a big difference. We don't run ads, so listener support is what keeps us independent. And we really appreciate it. Luna: Alright, back to lighting. One more thing I want to touch on: the effect of daylight. Lucas: Oh, that's a great point. Restaurants with large windows get free changing light throughout the day, which can be fantastic, but it also means you need to have blinds or curtains to control the midday glare. Lunch service when the sun is high can create harsh shadows and hot spots. Luna: And at dinner, if the sun sets and the room suddenly goes dark, it can be jarring if you don't have a plan. Lucas: Right. A simple solution is to layer your lighting: ambient fixtures that provide base illumination, task lights for the bar and server stations, and accent lights on walls or artwork to create depth. That way you can adjust each layer independently as the natural light changes. Luna: So a restaurant with good lighting design is really orchestrating an experience, not just installing fixtures. Lucas: Exactly. And the ROI can be measured in dollars per seat. If a dimmer adjustment lifts your check average by even five percent, that's pure profit — no extra food cost, no labor increase. It's one of the highest-leverage changes an operator can make. Luna: I've heard of places that actually schedule a 'lighting check' as part of their pre-service routine, like the manager walks the room at the right eye level to make sure everything looks warm and inviting. Lucas: That's a smart habit. And it costs nothing. So to summarize: know your target lux levels by daypart, use dimmers, choose warm color temperatures, and test everything with real data. Your customers may not notice the lights, but they'll notice the feeling — and they'll spend more. Luna: And if they spend more, you can afford better bulbs. Lucas: Exactly. That's Restaurant Business with Fexingo. We'll be back next time with another lever you can pull.