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title: Modelling | WWHRS Knowledge Base
description: Modelling
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1. [WWHRS Knowledge Base](https://knowledge.recoup.co.uk/)
2. [Modelling](https://knowledge.recoup.co.uk/modelling)

# Modelling

- [Can Recoup's WWHRS systems be used for Passive House (PHPP) calculations?](https://knowledge.recoup.co.uk/are-recoups-wwhrs-passive-house)
- [Does a combined bath/shower mixer tap qualify as a Shower for SAP calculations?](https://knowledge.recoup.co.uk/what-counts-as-a-shower)
- [Can two showers connect to one Pipe HEX?](https://knowledge.recoup.co.uk/can-two-showers-connect-to-one-pipe-hex-domestic-/-residential)
- [How do you model WWHRS in SAP?](https://knowledge.recoup.co.uk/how-do-you-model-wwhrs-in-sap)
- [Modelling WWHRS & Showers in Non-residential (SBEM Methodology)](https://knowledge.recoup.co.uk/modelling-wwhrs-showers-in-non-residential-sbem-methodology)
- [How do you model WWHRS in ApacheHVAC tool?](https://knowledge.recoup.co.uk/wwhrs-modeling-in-apachehvac-tool)
- [Are you able to advise on the pre-heated water temperature?](https://knowledge.recoup.co.uk/are-you-able-to-advise-on-the-pre-heated-water-temperature)
- [How do you model WWHRS in DSM? (IES VE, TAS, Apache HVAC)](https://knowledge.recoup.co.uk/how-do-you-model-wwhrs-in-dsm-ies-ve-tas-apache-hvac)

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