has anyone done a test to see if it is cheaper to leave heating on 24/7 at a temperature of 18 degrees.
or to put onto a timer system coming on and off twice a day. I can never work it out, can you help.
maany thanks in advance
by jean » Wed Mar 04, 2009 7:31 pm
by Steve the gas » Thu Mar 05, 2009 4:16 am
by acsimpson » Thu Mar 05, 2009 2:51 pm