Last winter, our heating had problems and turned off when the thermostat dipped under 70° Fahrenheit. It was off most of the night as we slept. This mimicked exactly how we'd used our heating for years – for short bursts in the day, and largely off overnight.
I thought being economical with our usage was saving us money but this year, I've learned the opposite is actually true. We recently had a digital thermostat installed and followed our HVAC engineer’s firm advice to set it between 70-72° constantly, and have kept it on non-stop since September.
