
Last seen: Sep 9, 2025
I'm puzzled by that. The Sig Energy datasheet indicates that there are two separate 240v power outputs.The one marked "Backup" suggests that it shou...
Thanks for the photos. That's in the top 10% of external HP installations which I've seen. 🙂 But it still looks like rain could enter thr...
Some of them even get elected and then decide energy policy 😥 That depends on whether the decisions are being made on the basis of M...
How does their software collect that data? From Smart meters? ... being polled each hour to obtain 'live' data? It's an odd decision to buil...
Yes, most meters (including all Smart Meters) record gas consumption in cubic metres (m³) To convert to kWh... Cubic meters (m³) used x calorific ...
I haven't (yet) done any research on the Sigenstor inverter,but I'm posting a block diagram which is an approximation of your electrics as I've unders...
Erm... you mustn't do that! The configuration of the inverter must limit export to the 27A which the DNO Consent states. May I explain why... ...
That's going to depend on the nature of your contract with the architect. For a new-build, it's usually the case that it is given an Architect's Cer...
Good morning @amiddlemass I realise that @jamespa and I are discussing different subjects with you simultaneously.Let us know if this is getting t...
A few comments from me on what I've understood thus far on your installation of Grant ASHPs: A: There is another new topic here on a Grant 17kW...
The upgrade to 3-phase was most likely initiated by your DNO. It's possible that they did stipulate the need for this as a result of communications ...
For our more technically-savvy members here, and prompted by @robsI've done a bit of background research on Compound Compressor Heat Pumps. There's ...
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RE: Midea ASHP – how to set weather compensation
I think it is a bug in the code, it comes on even when ...
By cathodeRay , 10 hours ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@ashp-bobba wish you lived closer to Wiltshire! My inst...
By pash44pump , 10 hours ago
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RE: COP is not the only measure of efficiency
@jamespetts Interesting post, thanks. Here are my thou...
By GrahamF , 10 hours ago
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RE: Who’s Caved and Switched the Heating On Already?
@editor So… who’s given in and turned the heating on al...
By Lucia , 11 hours 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 , 11 hours ago
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RE: Buffers, hot water and cooling
@jamespa Your reasonably close! Especially with warmer ...
By dgclimatecontrol , 13 hours 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 , 20 hours ago
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RE: Vaillant aroTherm Plus 10kW thoughts?
@realevil the fans and fan speed / coil size (height, w...
By ASHP-BOBBA , 1 day ago
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.
@morgan this can just be done by your sepecilist when t...
By ASHP-BOBBA , 1 day ago
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RE: Anyone still weathering it out with Agile?
@toodles I guess it all comes down to import averages. ...
By Tim441 , 1 day ago
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RE: 300 Liter Tank - Do I have to heat it all?
The size of DHW tank affects the anti-legionella cycle....
By Transparent , 2 days ago
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RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
@scalextrix Name plate capacity
By HCas , 2 days ago
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RE: Solar Thermal DHW and ASHP
I was originally contemplating a solar thermal installa...
By jamespetts , 2 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
My system installed in July 2024 has produced 6.4mWh in...
By jamespetts , 2 days ago
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
@judith thanks for your suggestions. Starting from col...
By GrahamF , 3 days ago
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RE: Inventor (Midea) Heat Pump short cycling advice
I switched to "fan coil mode" to be able to set water t...
By immunity , 3 days ago
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RE: DESNZ doing a survey which asks the right questions!
Without a survey their only source of data is probably ...
By JamesPa , 3 days ago
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RE: Can you help with our research: solar panels, EV chargers, home batteries, heat pumps?
Just done your survey!
By Judith , 3 days ago
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RE: Failing heat pump system - seeking thoughts on a rebuild
@cleardene-ashp just thinking about your issues here. Y...
By Judith , 3 days ago