how to insulate your garage door, does it make a difference?

[@james.m.soulsby]

Is it worth it for the small difference in temperature? EROEI.

[@leontummers3471]

You can not measure the correct temperature with your infrared camera on e=0,97. It should be on the correct emissivity of the use foil. I guess around 0,1. But insulation is always a good idea