Last seen: Sep 14, 2025
@newhouse87 - it would be difficult to use the mounting rails and shock-mounts which are already beneath your ASHP. The easier route is to buy anti-...
Storage battery capacity and size of inverter(s). Apart from cost, the factor most likely to dictate the battery capacity required by a home is suff...
Battery enclosures: The majority of storage batteries installed in UK are LiFePO4, operate at 52v nominal and have a capacity of 4-5kWh.Each box has...
Wow! Please slow down @jamespa and @bontwoody - You're opening far too many issues at once! I can provide the technical background, together with ty...
News Flash. On another topic a few months ago, I was asked why I use such a mix of MCB trips from different manufacturers: And here's the answer...
I need a few hours to consider what you've just posted @korwraithand what EDF mean when they write "the change has only just been made" I should let...
The anti-vibration mounts being referred to on a checklist could be heavy rubber 'feet' beneath the outside unit.Building Regs Part-L puts the onus on...
By all means, keep musing away!Adding a second Huawei Luna is more expensive in terms of £s per kWh. I was never able to provide an adequate ans...
Hmm; well that's a fairly consistent approach. The installers seem to have screwed both the lockshieldsand their customer ...
Yes. But when using batteries in parallel, you usually try to have them of the same capacity.The Huawei Luna battery is much smaller than any which yo...
The SunSynk 5kW unit gives you more kW per £ than the 3.6kW you linked to. I was suggesting a DIY wind-turbine rather than off-the-shelf.If you have...
No. You need two inverters to incorporate the 2.66kW array.Each inverter will have two MPPT inputs. That still gives you one 'spare' input for renew...
Latest Posts
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RE: Who’s Caved and Switched the Heating On Already?
In the last week, the external temperature in south Man...
By GrahamF , 21 minutes ago
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Ok. Two schools of thought. The first is to run the ...
By JamesPa , 47 minutes ago
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@drei Willing as I am to help, I don't think I'm yet ...
By JamesPa , 2 hours ago
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RE: Big Changes Coming to Our Heat Pump System
@editor No pressure then 🤣 🤣
By Brendon Uys , 2 hours ago
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RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
I hear you on the locality issue @transparent, and I ag...
By Scalextrix , 4 hours ago
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Selling 5 year old ASHP & Gas Combi Boiler - £590
Selling a 5-year-old Daikin Altherma Hybrid Air Source ...
By Paul G , 5 hours ago
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RE: Midea ASHP – how to set weather compensation
@pash44pump Referring to the problem of rooms with diff...
By Tasos , 6 hours ago
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RE: Help me keep the faith with my air source heat pump installation
Er true, it should have read l/hr!
By JamesPa , 7 hours ago
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@damon thanks. I will do as you suggest. Hopefully I wi...
By bontwoody , 1 day ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
Much of that is true in principle, but its not likely t...
By JamesPa , 2 days ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@dgclimatecontrol I attach the responses from 2 potenti...
By pash44pump , 2 days ago
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RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
By JamesPa , 3 days ago
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RE: Failing heat pump system - seeking thoughts on a rebuild
I realise im overdue an update on my situation. first...
By Cleardene-ashp , 3 days ago
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RE: Replacing Worcester oil boiler with an ASHP
@toodles thanks. I was told by the engineer that this h...
By JulianC , 3 days ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
A week later, I'm finally picking up this comment... ...
By Transparent , 3 days ago
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RE: COP is not the only measure of efficiency
We keep all our TRVs fully open using the whole house a...
By Old_Scientist , 3 days ago
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RE: Havenwise App Help & Forum Support – Get the Most from Your Heat Pump
I am pleased to say at 4pm today we have added another ...
By ASHP-BOBBA , 4 days ago
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RE: Renewables & Heat Pumps in the News
To unpack this a little.... 1) how many of us in this...
By Lucia , 4 days ago
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RE: Vaillant aroTherm Plus 10kW thoughts?
@realevil the fans and fan speed / coil size (height, w...
By ASHP-BOBBA , 5 days ago
