Keep an eye on how much energy you use in your house.
It’s very easy to consume gas and electricity without realising.
I’ve even built a website called How-Eco.com that helps you track your energy usage by adding in your meter readings.
How-Eco.com allows you to compare your usage to the benchmarks the utility companies use.
As a bonus How-Eco.com can track your water usage which gas and electricity companies don’t offer, but only if you have a water meter.