Cn Furnace And Duct Cleaning No Longer In Business

2 guys came to clean the air ducts. They were friendly, but did not look professional at all. They vacuumed the air ducts with a hose that they pushed down the ducts and that was it. They said more expensive companies tape up the air vents and then vacuum the ducts, but their method with a vacuum hose was just as good and effective as taping up the air vents and vacuuming. I was not at all impressed with how they did the work and would not use them again nor recommend them to others.