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Panel Compliance

OTTV Check

Calculates the building envelope OTTV to SNI 6389:2020 and compares it against the 35 W/m² limit.

How it works

Wall and window areas are grouped by orientation using True North.
Uw, SC and absorptance values can be edited per type.
The calculation engine has been checked against the worked example in Annex D of the standard.

Other tools in this panel

Zoning Check
Works out site coverage, floor area ratio, green area, basement coverage, storey count and setbacks straight from the model.
BGH Check
The Green Building (BGH) checklist for the technical design stage under Annex Permen PUPR 21/2021 - 165 items.