When I had an electrician come out to my home, I just wanted to make sure everything was good and I wanted to know what this old sub-panel was used for.
It was a 50 amp circuit breaker in there and the HVAC technician said it seemed like it was for a hot tub.
He said it was in fine condition and I could easily have a hot tub running outside or I could even change it to a different circuit breaker to accommodate a cooling system if I wanted. He told me that the ductless mini splits were becoming more popular and I should think about going for something like that. He was absolutely right too. Up until that point, I was just using a portable A/C unit that I would move around the house. It provided alright cooling, but it wasn’t very good and the energy bills were kind of costly. I ended up looking at the DIY ductless mini split models. I learned that I could convert my sub-panel to a 30 amp circuit breaker and then I could hook that up directly to the ductless mini split after I had it installed. I ended up buying a triple zone ductless mini split and got to work on the installation when it arrived. It took a lot of research to learn how to install the thing, but it wasn’t that challenging once I had a good understanding of the installation process. I actually used a hold saw on my cordless drill to go through the walls. It wasn’t easy either because I had to go through brick, but I made some clean holes with a slight downward slope to account for the condensate lines. I even did the electric work myself and now I have a perfectly cool home with cheaper energy bills.