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Ralf M (01/15/2021)
My mother billed more assembly hours than were worked. The boss personally dismissed it with the statement that we cannot estimate how long it will take. (I myself have a SHK and electronics technician journeyman's certificate). Due to lack of time, the Gerdes company was commissioned.
Klemens Brinkmann (06/08/2020)
I am always amazed at the reliability of this company. The service and also their achievements are excellent. They are also open to small problems. Very customer friendly. Brilliant! I can only recommend.
Stefan Sendker (08/11/2020)
I've had many dealings with Gerdes. Appointments are available at short notice. The employees are TOP trained and friendly. Great company.
Stefan Geisler (08/07/2020)
Mistakes were made when installing my heating. I also criticized that in writing. Gerdes does not react to this. Not recommendable.
Reiner Torf (06/25/2020)
I had my heater repaired. It was billed according to expenditure. Extremely inflated prices for spare parts were taken into account. In addition, 2 hours of work were billed too much. One was not the least bit insightful. No more Gerdes
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