Last seen: Mar 13, 2025
😆 😆 😆 Greg Jackson might like it, but not everyone wants a bright purple waste bin on their patio.
Heat rises, a phenomena well known, 'stratification', but strangely not accounted for in multiple storey building heat loss sizing estimates. Actually...
EDIT: Ian's covered most of this, he's got quicker fingers! But my thoughts as per his.... I think you've got a great understanding @tobyg of the to...
This is the crux of it @derek-m. I've just come off a call with my colleagues in Oslo. Right now it is -13degC and 74% RH, somewhat typical winter w...
Yes, at -3degC target LWT should be 45degC, but tends to never get above 40degC, leaving a shortfall of heating duty and requiring supplementary secon...
I can't comment on the calculations your installers have prepared, which I presume include for all ECO4 upgrades including internal wall insulation. T...
Totally agree @mikefl. The way Grant runs the CH and DHW is dumb, with no intelligence between the two. It's basic S plan stuff from 40 years ago. The...
@crimson this is great news. 😀 Those little temperature probes are very handy, accuracy is probably +/-1degC. They certainly help with understanding ...
No further questions m'lad 😉
@transparent let's keep it simple. You're overthinking it mate! The OP here has Cosy Octopus and wants to run, for as much as possible, their future A...
The Growatt SPH5000 inverter will support 2x Growatt 6.5kW batteries. Max inverter output is 3kW at 240V AC 1 phase, which will cover most of your ste...
@toodles You were unlucky. I got the same 4 digital sensors over a year ago and all batteries are still going strong. Great devices across the low los...
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Heat Pump Dramas?
Thinking about installing a heat pump but unsure where to start? Already have one but it’s not performing as expected? Or are you locked in a frustrating dispute with an installer or manufacturer? We’re here to help.
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Latest Posts
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
If you haven’t voted on this poll yet, please take a mo...
By Mars , 8 hours ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
I should add that my system has two circulating pumps: ...
By JohnR , 8 hours ago
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RE: Transforming a Derbyshire Property into an Energy-Efficient Haven
I feel that this is a good campaign for me to embark an...
By Mars , 8 hours ago
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RE: Replacing knackered oil boiler with ASHP - Perthshire
On the basis that 1l oil = 10kWh and 1cu m wood = 2500k...
By JamesPa , 9 hours ago
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RE: Battery storage to run Heat Pump.
@jeff The government are quite happy for the network ...
By Lucia , 10 hours ago
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RE: Grant ASHP not reaching target temperatures
We may have similar and could share experiences: I ha...
By Hillswick , 10 hours ago
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@sandman1600 Yes, you have the idea of what you need to...
By bontwoody , 10 hours ago
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RE: Setback savings - fact or fiction?
OK, so I'm just thinking out loud here: You loose ene...
By BobTSkutter , 11 hours ago
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RE: Who's your electricity provider and what's your tariff?
@old_scientist The OE guidelines mention that their con...
By Toodles , 12 hours ago
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RE: Adjusting 6kW Daikin's Weather Compensation Curve
@jamespa I'm grateful for your advice.
By Ubert767 , 13 hours ago
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@heatgeek thanks! I contacted them too.
By Eliuccio , 14 hours ago
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RE: Is it KISS or constant – weather compensation vs. set flow temperature?
Thanks. I've seen the video several times at the beginn...
By cliffhanger , 16 hours ago
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RE: Say hello and introduce yourself
@carrownisky where are you based? Would you like me con...
By Mars , 19 hours ago
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RE: Baxi Air Source Heat Pump tips and tricks please
@transparent Good morning, the installer sorted our m...
By Cathyem1 , 19 hours ago
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@roodo welcome to the forums and I’m really sorry to he...
By Mars , 20 hours ago
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RE: Thinking of ripping our my IVT Greenline HT Plus C model and replacing with a gas boiler.
Don’t rip out a IVT! Amazing heat pump! Unless your com...
By greenlight , 22 hours ago
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RE: Sunamp Thermino Heat Battery
Wow, I knew they were pricey, but didn’t expect it to b...
By Mars , 1 day ago
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RE: Victorian Semi Retrofit / Extension ASHP and UFH Advice
@matthew_w good luck with the quotation and proposal pr...
By Mars , 1 day ago
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RE: Should I make my radiators smaller?
Mine are also upstairs because I upgraded them before I...
By JamesPa , 1 day ago
Latest Topics
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Adjusting 6kW Daikin's Weather Compensation Curve
By Ubert767 16 hours ago
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Replacing knackered oil boiler with ASHP - Perthshire
By DowallyDrifter 17 hours ago
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Should I make my radiators smaller?
By Scalextrix 2 days ago
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Daikin Heat Pump Cycling Frequency?
By Ubert767 2 days ago
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Battery storage to run Heat Pump.
By Broadsman 3 days ago