
Start with the service use and required availability rather than heating technology or capacity.
- Service purpose
- Identify how hot water supports service.
- Water input
- Describe destination supply or refill context.
- Required availability
- Define qualitative serving condition.
- Service vessel
- Record receiving vessel or service format.
- Service window
- Describe availability period.
- Turnover
- Map water use through service.
- Routine demand
- Describe ordinary dispense rhythm.
- Peak demand
- Identify demanding overlap.










