DIY Mini-Split Installation: What You Can and Cannot Legally Do
You can install a mini-split yourself under two conditions. The refrigerant rule is the famous one; the electrical connection and the permit are what actually catch people out.
Mini-Splits
Ductless mini-split systems, from choosing and sizing one to installing, running and maintaining it. This is where we cover pre-charged DIY kits in detail — the segment contractor-owned sites have a commercial reason to avoid. Sizing charts, line-set limits, mounting constraints, running costs and the maintenance that keeps a head working for a decade.
Are Budget Mini-Split Brands Worth It? What You Actually Give Up
Sometimes, and price is not what decides it. What you give up, where the saving is sound, and the one risk that matters more than build quality.
Where to Mount a Mini-Split Head: The Constraints That Decide It
Comfort is the last constraint, not the first. Drainage, line-set route and fixing decide where the head can go — get the order wrong and you find out after the wall is drilled.