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→Right Sizing the Capacity
== Right Sizing the Capacity ==
Right sizing the [[ElectricalSystemElectricalSystemDesign-SmallBoat|electrical system]], [[HeatingCalculation|heating]], [[VentilationCalculation|air conditioning]], [[WaterCapacity|water capacity]] and related watermaker are the most critical lifestyle decisions you will have to make. Getting it wrong will lead to deeply felt dissatisfaction, and costly retrofitting. Yet getting it right is very difficult. You won’t know whether it’s right until you start living the experience. And sizing the water-maker is more difficult than the HVAC. Any system you select should have automatic TDS (total dissolved solids) testing and automatic flush and back-wash.
In general, the watermaker should have a capacity to meet daily use plus a safety factor of 20-25%. For example, at 25 gal/person/day, for four to six people, you would requires a watermaker that can generate 125-189 gal a day. At 60 gal/person/day, a watermaker throughput of 240-360 gal is needed.