Registration for heat pump test

Provisional registration can be made via phone or email. We will provide a time estimate for the desired measurements.

Quality label measurement (EHPA):
The definitive registration for the quality label measurement takes place in writing and is  a legally binding contract with the WPZ to test the heat pump as defined in the application. With the confirmation of the WPZ, you will receive the definitive test date for your heat pump.

For written registration, the corresponding registration documents and documents can be downloaded as a pdf below:

Registration documents

air / water heat pump

brine / water & water / water heat pump

domestic hot water heat pumps & heat pump boilers

NF or LCP (Approval France): 
We will gladly create an appropriate test program together with you. Afterwards, you will receive an offer from us with the cost for testing.


IES Institut für EnergiesystemeLeiter WPZ

+41 58 257 34

Heat Pump Test Center (WPZ)
Werdenbergstrasse 4
CH-9471 Buchs