That shop is nice, how high is your ceiling and door opening? I'm still in planning stage, but am definitely installing a 2 post lift
building is 40 X 60, what they call a 12 foot ceiling, but that is measured outside, so the low eave is 10'6'', 12-2 pitch so the Bend Pak 72" lift would fit, and still help with a low ceiling height for winter heating. Use a oil heater running diesel or stove oil with used oil, set on a thermostat. Need a ceiling fan, and have a couple air conditioners I may install. I open the doors when it cools off, and shut them in the morning. Walls R20, Ceiling R30. It has taken me two years to get this far, so by winter I should be set. O-Door is 16 x 10 insulated, steel entry doors, so fairly secure. Concrete has to be engineered, min 3000 concrete. I used 5 1/2 inch 4500 concrete as I work on heavy equipment/farm stuff as well. There is an 18' open area so you can pull up a piece of equipment and work on it outside, I use that the most, wish I had made it an extra 10' longer, but it is great. Do most of my welding, grinding, nasty dirty work out there, then just sweep, pressure wash when done.