I just finished my first load out of my Nyle L53 powered kiln yesterday. I started building the Kiln in September and didn't get it finished until the end of February. There are an unbelievable amount of details involved with building a kiln and setting it up correctly. I still have a few tweaks that I want to do after what I learned drying my first load. It is 13' deep x 8' wide and 7' tall. I can dry up to 12' long lumber. It will handle 1000 bf of hardwood and 500 bf of softwood.