Green Star Energy

I called about 4pm on the 10th nov 2017 as when I went to put my gas card in it came up battery failed so I didn't have heating or hot water I was told someone would be out by 8pm no one turned up so there for my daughter whos 7 and myself who had crohns disease and fibromalgia were cold this is not on am fuming Monday morning I will be looking for another gas supplier and electric poor customer service im no happy at all I want this sorted either green star didn't do there work right or the person green star contacted to come to mine to put a new battery in just couldn't be bother I will be spreading the work don't go with green star. I was told to fone a number if no one turned up which I done to be told wrong number