Good news on gas. 2/3 of a bottle over two weeks. This is a huge saving from teh origial 2 bottles a week. But then : all the thermostats were connected to the wrong room! Now - solar boosts in the day , only heating the bathroom floor and the rest come on only when set back falls below 5 degrees. Radiators boost only when needed. Yes, gas is dearer wer KW/h but efficiency is greater. Boys shower is now on this system also. Just need to get the pool onto a self sufficent regime and we are ‘cookin’.
the system