- Richard Trethewey (Himself)
- Norm Abram (Himself)
- Roger Cook (Himself)
- Kevin O'Connor (Host)
- Tom Silva (Himself)
- Steve Thomas Rooney (Himself)
Ask This Old House — S14E4
Episode: Renewable Energy
Air Date: 2015-10-24
Runtime: 30 min
Overview
Energy efficiency is explored during a visit to Germany. Also: installing a residential wind turbine in Texas.