Comfort Air Mechanical Services

I live downtown Toronto and was not aware that they were going to be charging me travelling time from VAUGHAN. To make matters worse, they came during Rush hour and didn't need to, there was no emergency. They were in my unit for about 20 minutes to unclog a drain hose in my A/C unit. They had serviced this unit about 3 months prior, so it appears they did not do a thorough job or wouldn't have needed to come and unclog the hose again. But they were polite and efficient and gone within the half hour, so I was shocked when I got their bill. I don't expect to be charged for 20 minutes, but a 1 hour service call is what I was expecting. Instead, they charged 2 hours for travel time! I called the office to complain and ask them to adjust the bill, they said they would call me back, but never did. I would NEVER use them again and caution anyone who is not in the north end of Toronto that they are dishonest in their billing. $344 for 20 minutes and no parts --- Outrageous!