- Richard Trethewey (Himself)
- Norm Abram (Himself)
- Roger Cook (Himself)
- Kevin O'Connor (Host)
- Tom Silva (Himself)
- Steve Thomas Rooney (Himself)
Ask This Old House — S18E7
Episode: Switch; Affordable Geothermal
Air Date: 2019-11-16
Runtime: 30 min
Overview
Replacing a standard toggle switch with an antique push button switch; affordable geothermal heat pumps.