Ask This Old House plumbing and heating expert Richard Trethewey shows a style of ductless heat pump that can be…
This Old House plumbing and heating expert Richard Trethewey and host Kevin O'Connor install a ductless heat pump to heat…
This video showcases a whole house ductless mini-split installation we completed in Lynnfield, Massachusetts. The installation was a great success…
This Old House plumbing and heating expert Richard Trethewey explains how to install a mini-split air conditioner. (See below for…