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.
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.
Heat Pump Outdoor Unit Noise: What Each Sound Means
Most heat pump outdoor unit noise is normal. Here is what each sound means, which three mean stop now, and which you can fix yourself.
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.
Mini-Split Smells Musty: How to Deep Clean the Blower Wheel
The smell is biofilm on the blower wheel, not the filter. Here is the 90-minute deep clean you can do yourself, and the point where you stop.