My dog is truly well behaved, however i have been training him since the afternoon I brought him home! Of course, the older he gets, the less training he needs! But still, dogs just have a habit of trying to get away with something current every once plus awhile; That was a single problem I had when the many of us moved into a apartment that had heating plus cooling vents on the floor. I could imagine how poor it would odor if a dog had an accident down a single of those vents. But, since my dog hasn’t had an accident in the apartment in over 3 years I decided to buy the apartment anyway; Wouldn’t you guess it? Less than 2 months later my dog threw up in the house… Some of that throw up went down into the ductwork. I took off the vent cover plus attempted to scrub it up however the apartment still odored prefer dog vomit. There is no use getting upset. I simply called up a local heating plus cooling company. They came out plus did a thorough ductwork cleaning. While they were at it they tested my heating plus cooling systems. So now my air conditioner is laboring well plus it doesn’t stink. I look forward to a odor-free Winter as well. I just hope the dog doesn’t throw up into the vent again. I forgot to ask the heating plus cooling company if there are any sort of vent covers that would allow air out however not allow anything in. I guess I will have to ring them up plus find out. It might be worth it in the long run.