Recent content by tegwin

Thanks tipper, thats exactly the sort of thing I was thinking of doing but wasn't sure if it has been done before!! I wonder how well it works in practice.... If it is just using mechanical type thermocouples there could be a fair bit of hysteresis bounce on the switchover. I might have to...

I have a bit of a conundrum and would welcome your thoughts. House currently has a 8Kw air source heat pump (ASHP) and a 10Kw electric heater in series with it. ASHP works perfectly in the summer to heat the water and warm the house. When the temp drops below a preset level the 10KW boost...