Anonymous
The installation of the boiler took 7 weeks from start to finish after many missed appointments. The installer also failed to install correctly causing water to flood through the light sockets in the bathroom ceiling. It was a very traumatising experience. Also the manual for the thermostat is very unclear and I still have not managed to set it correctly. Very very upset and unhappy about the service.
4 years ago
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Viessmann Limited has a 4.3 average rating from 1,036 reviews

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