Dr Subhi Alnahas in Toronto

We had a smell in utility room from open drain and venting. Roto rooter technician said he is sure the reason is that there is another open drain that is getting all the smell. Closed it and charged $300 for covering it. No change in smell and issue wasn't resolved. We called and another technician from company came and said the problem is due to another issue. I asked for refund or fixing the issue and transfering what was paid to the new fix but company roto-rotor neglected me and didn't give any refund. This company is waste of time and money.