Richard Trethewey shows an innovative new way to seal ducts from the inside. (See below for steps.) SUBSCRIBE to This…
Ask This Old House plumbing and heating expert Richard Trethewey installs a ductless (and ducted!) heat pump. The system will…
Plumbing and heating contractor Richard Trethewey quiets a whistling heating duct. (See below for a shopping list and tools.) SUBSCRIBE…
Adding a supplementary, efficient heat source with This Old House plumbing and heating expert Richard Trethewey and stove installer Rob…