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Notes from the field

Kitchen ventilation, energy and verification, from the team that surveys the kitchens and meters the fans.

GuideOctober 22, 20264 min read

What is demand-controlled kitchen ventilation, and why are hotels switching?

Most hotel kitchen exhaust fans run at full speed from the first prep shift to the last clean-down, whatever is on the stove. Demand control slows them down when the cooking eases off, and the electricity bill follows.

Finance3 min read Zero-CAPEX energy upgrades: how shared-savings contracts workPlenty of energy projects with a short payback still stall in the capital budget. A shared-savings contract pays for the system out of the electricity it saves, so the upgrade doesn't have to wait for capital.
Remote sites2 min read Cutting diesel at mining camps, one exhaust fan at a timeAt a remote camp, the electricity for the kitchen fans comes from diesel generators. Slowing those fans when the cooking stops is one of the simpler ways to burn less fuel.
M&V3 min read Five-minute data: how we verify every kilowatt-hour savedDCKV meters every fan it controls every five minutes and compares the readings with a baseline agreed before installation. The monthly saving comes from those readings.

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