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Last seen: Jun 27, 2025
Why are you running your rads at 46 degrees in this weather? That seems excessive.
6kW immersion in the bottom of the hot water tank won’t be helping things….
if we assume 18000kWh, that’s a 3kW immersion heater, on for 24hrs a day, for 250 days…. Are you sure you aren’t running on the backup heater in the b...
Budget 8000-1000kWh/ annum, and get that on anything other than the backstop rate and you’ll be about right for a large 5 bed from 1900… Heck, even ...
As I said, you don’t need to design for 30 degree flow if you don’t want to. I designed for 47@-5 but ended up running them a bit warmer as my wife wa...
Remember folks, don’t let striving for the best get in the way of accepting the good….
You only need a cop of 2.5 to make better use of the gas by burning it in a ccgt and using the electricity to run a heat pump, than piping and burning...
What we really need is the levies moving off electricity and onto gas… I would be interested to know what you feel is high-temperature too, Bren...
I couldn't be happier with the build quality, price and performance of my Chinese heat pump... I genuinely believe the commercial refrigeration contro...
On commissioning, I was having a nightmare getting rid of flow errors, I suspected a faulty flow switch so just jumpered it out in the terminal strip....
My DHW is 'on' 24/7, as is my heating. DHW recharge setpoint is target -12.5 degrees, target is set to 50. Mainly because the Carel controller is qu...
do you have a blending valve (TMV) on your hot water supply from the cylinder?
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