ABC Radio: Talkback With John Thirgood on Energy Efficiency May 30, 2016 Share John Thirgood from Jessups Solar Squad talks energy efficiency on ABC talkback radio. Hosted by Chris Wisbey, John answers queries on energy efficiency, heating and solar energy. Topics include: How to most efficiently run a heat pump in Tasmanian homes Can a heat pump be used in a humid environment such as a green house? How to deal with heat pumps that have noisy outdoor units For a typical Tasmanian working family, that are not home during the day, are solar panels worth putting on my roof? And more! Listen now to hear the questions from ABC listeners and John’s advice.