Eco House Challenge

The families have just two days to go and nerves are starting to fray. Have the Shepherds taken too big a risk putting their kids in control? Over at the Edwards home, Spike has taken a leaf out of Cam's eco book and he too has drawn up a master plan.

It's the penultimate episode of the series and the Edwards are struggling to pass the transport hotspot challenge. All out of solutions, Eco Coach Tanya decides to exploit a loophole in the challenge which results in the Edwards meeting their transport target.

After living in darkness for a week, the Edwards family finally pass the water challenge and their energy hotspot is returned. Relieved and upbeat, they move on to the next hotspot challenge - a sixty percent reduction in their energy use.