DROP Level 3 Rainwater Harvesting Calculation (Desktop Feasibility)
Freeflush
£90
Price read from Freeflush on 2026-10-15. Check before buying.
If you're considering rainwater harvesting on a commercial scale or trying to achieve water neutrality a Level 3 Rainwater Harvesting Calculation may be suitable. Our level 2 analysis is available for free by clicking this link. For large or complex schemes where significant economic benefits might be realised or where there is a temporal variation in demand it is suggested that continuous rainfall time series (or simulation modelling) should be used to address this variability in order to optimise the design in accordance with BS EN 16941-1:2024. DROP is an application of the storage equation
Freeflush's own words, read from their page.
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