Heating and AC in Shops?

[Signsup]

I am curious about what people have for heating and AC in their shops. We are in Texas have been fortunate to have heat and ac in our building. Recently one of our AC units went out and it has been HOT! Depending on where you are located, one is more important than the other. But even in Texas it can get cold in the shop. How many of you deal with the weather in your shops and how does it affect your equipment and operations?

 

[Gene@mpls]

Two mini-splits in a 3k sf building is comfortable. Need addl heat when below zero.