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Viessmann

Complaints

10 complaints
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Request For Refund And Fulfillment For Viessmann

Berk
Berk
May 4 7:20 AM5

On 30 January 2025, I purchased a maintenance contract for my boiler, a Viessmann Vitodens 050-W BPJD 24kW TR installed ...

New Viessmann AC Stuck at 18 Degrees: A Cooling Failure

Erman
Erman
May 9, 2025 8:35 AM53

I bought a new Viessman brand air conditioner and it only cools at 18 degrees—it does not cool at any of the other level...

New Viessmann AC Stuck at 18 Degrees: A Cooling Failure
New Viessmann AC Stuck at 18 Degrees: A Cooling Failure

Viessmann Left Me Without Heating for Over a Month With Their Faulty Heat Pump

Mali
Mali
April 11, 2025 2:35 PM56

Magnificent Viessmann! I’ve always preferred German products and had great trust in the Germans. I admired their work et...

5
Resolved
Nazmı
Nazmı
December 14, 2024 4:19 PM71

"My complaint has been resolved, thank you."

Nazmı removed this complaint from publication

Viessmann Took 2.5 Months to Install My Air Conditioners and Did a Poor Job

Kıyas
Kıyas
September 5, 2024 2:22 PM123

I bought two Viessmann air conditioners for my new home, and I regret it deeply. I waited 2.5 months for the authorized ...

Viessmann Took 2.5 Months to Install My Air Conditioners and Did a Poor Job
Viessmann Took 2.5 Months to Install My Air Conditioners and Did a Poor Job
Viessmann Took 2.5 Months to Install My Air Conditioners and Did a Poor Job
Viessmann Took 2.5 Months to Install My Air Conditioners and Did a Poor Job

Vitopend 200 Expansion Tank Defect and Viessmann's Refusal to Take Responsibility

Muhsin
Muhsin
April 20, 2024 4:03 AM134

My Viessmann combi boiler's expansion tank malfunctioned for the second time, prompting the company to recommend a repla...

Viessmann Vitodens 200 Boiler Cracked Copper Pipe Discontinued

Bahadır
Bahadır
November 16, 2023 9:05 AM166

I have Vitodens 200 boiler. The copper pipe connecting boiler to pump cracked. Authorized technical service and Turkish ...

Viessmann Service Unresponsive to Air Conditioner Issues

Çetin
Çetin
August 18, 2023 5:57 PM172

For the past few years my Viessmann air conditioner, just not giving me what it's supposed to...there were holdups in ge...