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--- planning:tools:heat_pump_water_heaters [2024/04/29 14:14] – yaling.hsiao@passiv.de
+++ planning:tools:heat_pump_water_heaters [2025/11/24 09:29] (current) – mpatyna
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 ====== Heat pump water heaters (HPWH) ======
-A heat pump water heater (HPWH) is a monobloc heat pump for domestic hot water (DHW) production which is situated **within the thermal envelope** and which uses the indoor air as a heat source. HPWHs cool the indoor air, which results in an increase of the heating demand. This increase must be taken into account when calculating the efficiency of DHW production by a HPWH. Correspondingly, the cooling demand or the overheating frequency are reduced. This Tool relates to HPWHs installed in **residential** buildings.
+A heat pump water heater (HPWH) is a monobloc heat pump for domestic hot water (DHW) production which is situated **within the thermal envelope** and which uses the indoor air as a heat source. HPWHs cool the indoor air, which results in an increase of the heating demand. This increase must be taken into account when calculating the efficiency of DHW production by a HPWH. Correspondingly, the cooling demand or the overheating frequency are reduced. Although the tool description refers to HPWHs in residential buildings, the methodology also applies to non-residential buildings. However, the step-by-step guidance—especially on IHGs—was written for the residential IHG worksheet. Please adjust the procedure accordingly for non-residential buildings.
+This Tool relates to HPWHs installed in **residential** buildings.
 ***Free Download the tool** [[https://database.passivehouse.com/download/product_page/HPWH|here]]
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 {{:picopen:heat_pump_water_heaters.png?400}}
-//*Note: The download link will take you to the Passive House Portal, where you need to login in order to access the report. Login details to the database may differ from your membership login details to Passipedia. Please [[https://database.passivehouse.com/en/accounts/signup/|sign up]] to the Passive House Portal in case you don't yet have an account. Registration to the Passive House Portal is free and can be canceled at any time.In case of questions contact info@passivehouse-international.org//
+//*Note: The download link will take you to the Passive House Portal, where you need to login in order to access the report. Login details to the database may differ from your membership login details to Passipedia. Please [[https://database.passivehouse.com/en/accounts/signup/|sign up]] to the Passive House Portal in case you don't yet have an account. Registration to the Passive House Portal is free and can be canceled at any time. In case of questions contact info@passivehouse-international.org//
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