DIYer and woodworker April Wilkerson installs a mini split HVAC system in her shop for heating and cooling.

DIYer and woodworker April Wilkerson installs a DIY mini split system using a MrCool unit.

Which mini split air conditioners are best? Mini split air conditioners are heating and cooling systems that allow users to control temperatures on a room-by-room basis. They are more efficient than ...