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A building's week has 168 hours. How many is anyone there?
Heating and cooling a building when it's empty is the most common waste we find — usually because a schedule was never set, or was set years ago for different tenants. Pick a building type and see its week.
Occupied hours, week by week
Each row is a day, each square an hour from midnight to midnight. Red squares are hours with people in the building.
Office: Monday to Friday, 7am to 6pm.
Example schedules. Your building's will differ.
55hours occupied
113hours that can be set back
Shown: an office open Monday to Friday, 7am to 6pm.
The counts are simple arithmetic on the example schedule — not a prediction of your energy savings, which depend on the building, the equipment and the weather.
Comfortable at 8am, not running at 3am.
- Setback when empty
- Temperatures allowed to drift overnight and at weekends, within limits that protect the building.
- Start early enough
- Units start before people arrive so the building is comfortable at opening, not an hour later.
- Fresh air only when occupied
- Outdoor air is brought in when people are there, not heated and cooled for an empty room.
- Holidays set in advance
- Closures entered for the year, so a long weekend doesn't run at full comfort.
- An override button
- Someone working late presses it and gets two hours, then the building goes back to setback.
The schedule you have, and the one you need.
What's programmed
Every thermostat or controller, read and written down — including the ones nobody remembers.
What the building does
Your real hours, cleaning crews, deliveries and the one team that works Saturdays.
What we change
A schedule agreed with you, set on every unit, and written into the service report.
Where it matters most
Offices, clinics and churches — buildings with clear hours and long empty stretches.
The same idea at home
A programmable or smart thermostat set to when you're out and asleep. We set it up when we install or service a system.
We'll read what's programmed.
On any maintenance visit, or as a site visit on its own.