- Richard Trethewey (Himself)
- Norm Abram (Himself)
- Roger Cook (Himself)
- Kevin O'Connor (Host)
- Tom Silva (Himself)
- Steve Thomas Rooney (Himself)
Ask This Old House — S9E21
Episode: Solar Water Heating; Electrical Safety Devices; Support Posts
Air Date: 2011-02-24
Runtime: 30 min
Overview
Installing a solar water-heating system; replacing rotting support posts under a backyard deck. Also: devices that make residential electrical systems safer.