Step-by-step DIY installation of a Mr.Cool Multi-Zone Series 18K dual-zone mini-split in a semi-trailer tiny home conversion.

Efficient electric heating and cooling are becoming easier to install in spaces that are often overlooked.

If your home isn’t equipped for central air conditioning, mini-splits may be a smart alternative, particularly if you don’t want to install and remove clunky window units each season. Mini-splits, aka ...