When we were renovating this 1970 Travel trailer, the old furnace was not working and needed to be removed.  This left me with a big vacant opening under the fridge to figure out what to do with.  After weeks of avoiding the area I finally came up with the most perfect solution, a tilt out trash bin!  Not only would it keep it out of the way yet easily accessible, it also had the old vent which would prevent it from getting “musty” in there!  So let me break down this simple build although I will leave out specific measurements as you will need to measure your space to fit…