- Richard Trethewey (Himself)
- Norm Abram (Himself)
- Roger Cook (Himself)
- Kevin O'Connor (Host)
- Tom Silva (Himself)
- Steve Thomas Rooney (Himself)
Ask This Old House — S9E12
Episode: Forced-Air Furnace and Air Conditioning; Damaged Oak Flooring
Air Date: 2010-12-23
Runtime: 30 min
Overview
Plumbing and heating expert Richard Trethewey helps a pair of homeowners reduce their utility bills by installing a new forced-air furnace and air conditioning system. Then, general contractor Tom Silva helps a homeowner repair damage to her oak flooring that was caused by a leaky radiator.