Ask This Old House S09E22 - Antique Door Hardware; Geothermal Home Heating and Cooling

Episode Overview

Kevin O'Connor and general contractor Tom Silva showcase the process of choosing and installing both antique and reproduction door hardware. Following that, they team up with plumbing and heating expert Richard Trethewey and landscaping contractor Roger Cook to tackle the question, "What is it?" Later, Richard provides a homeowner with an explanation of how a geothermal heating and cooling system operates.

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