Thanks for the help Robert! Would it be bad if I bought a collar extension and ran the flexible duct on the ground as opposed to suspending it with ties and block? The reason I'm asking this is that the ground under the trailer is sloped and the frame of the trailer is difficult to tie off to. Thank...

Hi- I'm a newbie to this site and mobile homes, so thanks for your help. I went to a friend of my mom's trailer and noticed that her trailer was freezing. I asked her how long she had been without heat and she answered "months". Gulp. It's been down to 12 degrees on several nights where sh...