Last seen: Sep 9, 2025
With BESS the ASHP is best. Charge battery for free from solar, then run ASHP in HW mode for an hour = free hot water + COP advantage that direct imme...
ASHP noise from the outdoor unit should not transmit through solid walls and DG windows to inside. You would hear it through open windows however. If ...
@holts Ah, now that's revealing! UFH downstairs + 50degc flow temperature must mean the installers are planning to using mixing valves on the UFH ma...
Hello @holts, a weather compensated flow temp of max 50degC via an ASHP is going to have quite a poor COP and be costly to run. If you can limit the L...
Octopus got back.... eventually.... today. For the period 12/01/24 to 10/02/24 they have billed me £313.18 based on their standard flexible tariff for...
Exactly as per @editor Mars. The smelly old oil boiler in our off-grid house was getting near life expired, although it cost us almost nothing to ma...
@transparent thank you, very informative. When time permits I’ll research the subject matter deeper. I received an Email today from OE to my 3rd bil...
That'll be my in-laws. They have a small second home nearby, which they have a pre-payment meter in. The previous owner was on pre-payment. They've ha...
Just had my latest bill and statement in from Octopus, excluding the period 12/01/24-10/02/24 when my smart meter had some communication issues. (That...
@toodles @andris I have been duly pestering OE staff 😉 They said it was a couple of half hourly readings missing. I can't see why they don't have an ...
Same 'ere. Octopus Agile import, Octopus Outgoing Fixed 15p/kWh export. No idea what my average consumption rate on Agile is right now, as Octopus has...
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RE: Who’s Caved and Switched the Heating On Already?
I have automated this decision. I have a heat pump with...
By jamespetts , 1 hour ago
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RE: COP is not the only measure of efficiency
Can I clarify - is the LSV the manual balancing valve? ...
By jamespetts , 1 hour ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
Another result and another very happy service customer:...
By ASHP-BOBBA , 2 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 , 3 hours 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 , 3 hours ago
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RE: Buffers, hot water and cooling
I agree it seems like a lot of work particularly as its...
By JamesPa , 4 hours 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 , 7 hours ago
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RE: Renewables & Heat Pumps in the News
@mike-patrick Well, if Europe is stalling partly due to...
By Toodles , 7 hours 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 , 8 hours ago
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RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
@scalextrix Name plate capacity
By HCas , 11 hours ago
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RE: Solar Thermal DHW and ASHP
I was originally contemplating a solar thermal installa...
By jamespetts , 12 hours 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 , 12 hours 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 , 1 day 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 , 2 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 , 2 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 , 2 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 , 2 days ago
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RE: Midea ASHP – how to set weather compensation
@cathoderay OK let's wait and see, it sounds an interes...
By Tasos , 2 days ago
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RE: What is the Heat Geek Guarantee?
@judith, I’m with you on Heat Geek, but there really do...
By Mars , 2 days ago