Last seen: Jan 29, 2025
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?
good luck convincing anyone that their radiators will never be warm to the touch... That's why I stick with 38.5 as the hot end of my WC curve - it's ...
@toodles It is purely there to allow the heat pump to operate without any flow errors... Primary side just sits there running into the header, microbo...
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Latest Posts
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RE: Daikin Heat Pump Cycling Frequency?
I think your current method of logging F-gas pipe tempe...
By Mars , 7 hours ago
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RE: Baxi Air Source Heat Pump tips and tricks please
@cathoderay thank you, I will.
By Cathyem1 , 9 hours ago
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Very sensible. Get the 'second round' quotes in, hopef...
By JamesPa , 10 hours ago
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RE: Setback savings - fact or fiction?
For completeness sake, and I may as well document it he...
By cathodeRay , 11 hours ago
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RE: Looking for the Grant Aerona 3 setting to turn off completely at 20 OAT
Sorry, yes, 2105. OOPS! If I recall the unit circulates...
By AllyFish , 11 hours ago
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RE: Newbie out of her depth – Samsung AE120RXYDEG 12kW heat pump
No pressure or obligation, this discussion has moved on...
By JamesPa , 12 hours ago
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RE: Battery storage to run Heat Pump.
The problem with current tariff proposals is that they ...
By Transparent , 12 hours ago
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RE: Who's your electricity provider and what's your tariff?
So far, I'm happy with moving to Eon next. Not paid any...
By Andris , 13 hours ago
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RE: Split system and pipe lengths for air source heat pump installation
@johnmo got it. Thanks.
By nickmorgan , 13 hours ago
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RE: Ecodan ASHP - How to optimise my set up?
Thanks everyone for posting this, so much useful info t...
By Bamnio , 19 hours ago
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RE: Samsung Gen 7 R290 12kW is not behaving how I expected
I have the same pump and if I am operating it correctly...
By Broadsman , 20 hours ago
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RE: Is it KISS or constant – weather compensation vs. set flow temperature?
@editor Will get back. Lots to try. Thanks to everyon...
By cliffhanger , 20 hours ago
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RE: Towel rails. An unexpected final hurdle
I had a similar issue but convinced the installer to le...
By Pie_Eater , 1 day ago
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RE: What is the best strategy for operating a very oversized heat pump?
This whole discussion highlights just how much of a mes...
By Mars , 1 day ago
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RE: NIBE F2040 12 kW heat pump and 100 liter buffer tank
@cheshirejohn thanks for the update and for sharing. I’...
By Mars , 1 day ago
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RE: SolarPV tables / online calculator
We've only had our solar since last June, but so far fo...
By Old_Scientist , 1 day ago
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@robs useful thread! Thanks for sharing - Octopus are c...
By big_si , 1 day ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@jamespa Agreed. I think it’s a case of much over muchn...
By Mars , 2 days ago
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RE: Heat Pump Sizing & Installation Costs
Perhaps useful to have installed date too? To get conte...
By Tim441 , 2 days ago
Latest Topics
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Daikin Heat Pump Cycling Frequency?
By Ubert767 9 hours ago
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Battery storage to run Heat Pump.
By Broadsman 20 hours ago
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Heat Pump Sizing & Installation Costs
By Mars 2 days ago
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Volumisers in Heat Pump Systems: Does Placement Matter?
By Mars 2 days ago
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SolarPV tables / online calculator
By MichelleC 2 days ago
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Samsung Gen 7 R290 12kW is not behaving how I expected
By Joshua 3 days ago