Installing a mini split system yourself in the US can deliver substantial...
https://www.mediafire.com/file/lj167ao6gd04g9c/pdf-97721-28498.pdf/file
Installing a mini split system yourself in the US can deliver substantial benefits—but it’s not for everyone. Here’s the real story: **Cost Savings:** DIY installation cuts out pricey labor charges that often run $1,000 or more