Help! My Timtams are melting!

So...the hot weather goes on and on.We are already on our third heatwave and another is predicted for the end of the week.The poor fridge is using up far more gas than normal to keep it's contents cool and my timtams are melting.I have tried shutting up the house during the day to keep the heat out and then opening up the windows after dark but there is hardly any difference to just keeping all the windows and doors open all day.I just feel clammy all day and we are having cold showers! ....I am actually choosing to have a cold shower! It is unheard of Up Over!The garden is shrivelling and the only thing keeping it going is the Cheesemaker watering for hours at dusk.I suspect the chickens are actually slowly roasting under their feathers.Here is a video from earlier this week that was on the news...https://www.facebook.com/7NewsBrisbane/videos/1087234074622777/