We just live in an old house that was never energy efficient to begin with. Add 50 years of age and neglect and its barely suitable for human habitation let alone reptiles.
We try to minimize our own use to keep the bills down, but this time of year the furnace runs almost constantly to keep up with the heat loss. The gas to fire the furnace is cheap compared to the electricity used to run it.
I'm working on a few ideas for my herpers dream house...
Revenge is a dish best served cold...
With a side plate of steaming entrails,
And a nice Bordeaux!