~In winter I fill soda bottle with water and freeze them outside and put them in my fridge to leasen the cooling burndun. I use eight bottles. Four in the fridge and four freezing outside. I rotate every 12 hours. Also, wearing a hat inside in the winter keeps you nice and warm. I think about 75% of heat is lost through your head.
~put a timer on the hot water tank
~set an egg timer to remind yourself to get out of the shower after 3-5 minutes.
~Use the microwave when possible
~unplug all electrical appliances when not in use.
~energy ssaving lightbulbs
~fans instead of A/C