Installing a DIY mini split system in the US offers several real, practical...

https://www.scribd.com/document/1013318156/Why-HVAC-Quotes-Are-So-High-A-Practical-Guide-for-DIY-Friendly-Homeowners-123814

Installing a DIY mini split system in the US offers several real, practical benefits—if you’re willing to roll up your sleeves and learn. First, cost savings are substantial