Last seen: Oct 12, 2024
With all this talk about noise, I thought I would drop in a reference to a case where neighbours have (perhaps justifiably) complained about two ASHP ...
It sounds as if 3-phase supplies should be added when EV/solar/heat pumps are installed. It is unfortunate that such high energy items tend to be sing...
"That's not a heat pump, it is a circular gas boiler; the R32 gets re-used for about 15 years; it requires forced ventilation to prevent technical iss...
Does PD/planning permission apply to heat pumps fitted inside the house (for instance for integrated water cylinders and heat pumps)? I'm reminded of ...
I'm not entirely sure how 3x 3.6kW inverters will play out with respect to DNO permission ... I'm guessing you'd have to use the G100 certification an...
To be fair, I think our contexts differ, which pushes us towards favouring different solutions. Being a townie, having limited electrical engineering ...
Note that Sunsynk inverters are made by Deye but have some custom firmware and a sales agreement preventing Deye from selling in Europe South Africa a...
Are you totally sure you want to go down the off-grid inverter path? What loads will this support? Have you sized it to cope with peaks (e.g. machiner...
Good to hear that this is going forwards. At the risk of going off-topic, DIY-ing the batteries might be a good way to save some pennies. A 14.4k...
@ericdo I believe your outdoor unit is too large to meet Permitted Development, regardless of where it is sited. The LG HM121M.U33 is listed as being ...
Are you sure this proposed location has sufficient air-flow? Will it fall within 1m of the boundary (thus ruling itself out of permitted development)?...
I would hope that your heat pump commissioning pack would have much of this information, especially the design flow temperature (which is critical to ...
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Latest Posts
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RE: Newbie out of her depth – Samsung AE120RXYDEG 12kW heat pump
@bami yes. 8kw = 8000w I would change the areas in th...
By bontwoody , 2 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 , 2 hours ago
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Cliff, welcome to the forum. You’re running into one ...
By Mars , 3 hours 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 , 3 hours 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 , 3 hours ago
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RE: Setback savings - fact or fiction?
Here's the same plot, less the R squared values, done q...
By cathodeRay , 5 hours 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 , 6 hours ago
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@robs useful thread! Thanks for sharing - Octopus are c...
By big_si , 6 hours 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 , 8 hours ago
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@eliuccio Unfortunately, whilst I agree with a lot of...
By JamesPa , 9 hours ago
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RE: Samsung Gen 7 R290 12kW is not behaving how I expected
Definitely its in the 20xx FSVs. Conversely it may be...
By JamesPa , 10 hours ago
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RE: Heat Pump Sizing & Installation Costs
Perhaps useful to have installed date too? To get conte...
By Tim441 , 14 hours ago
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RE: F.788 Building circuit pump reports internal fault - Vaillant Arotherm
Guess I have to wait for engineer visit. I really hope ...
By jeegnesh , 1 day ago
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RE: Act now to defer the UK road tax increase on EVs
@majordennisbloodnok Damn right sir. my attempt at iron...
By Jancold , 1 day ago
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RE: ASHP and heating issues in new build house
That’s good gives you more capacity. It made me think, ...
By Terry1812 , 1 day ago
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RE: Seewet manhole cover within r290 exclusion zone
Thanks! I asked Vaillant, and they say I should be fi...
By dbrb2 , 1 day ago
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Looking for the Grant Aerona 3 setting to turn off completely at 20 OAT
I'm running my Aerona 3 on WC and the 'warm end of that...
By damonc , 1 day ago
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RE: Do I just go with the lowest quote for my heat pump?
So after signing in Sept in two weeks the install may s...
By Jancold , 2 days ago
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RE: Victorian Semi Retrofit / Extension ASHP and UFH Advice
When you are renovating is always a good time, as it ma...
By JamesPa , 2 days ago
Latest Topics
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By cliffhanger 3 hours ago
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Heat Pump Sizing & Installation Costs
By Mars 16 hours ago
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Volumisers in Heat Pump Systems: Does Placement Matter?
By Mars 17 hours ago
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SolarPV tables / online calculator
By MichelleC 24 hours ago