Last seen: Jun 18, 2025
Well, if ASHPs are an expensive folly, I'm a fool. Currently I'm requiring about 86kWh a day for heating 3/4 floor area of the house and daily hot w...
@andehh the Samsung EHS Mono HT has a more complicated refrigeration system with intercoolers to stop the refrigeration circuit cooking itself for hig...
@soniks this is good news. I'm going to contact Grant regarding why my weather compensation was not enabled, as you point out, it's clearly stated as ...
Hi Jeff. Solar PV panels are now £0.50 per watt, electricity cost is only going in one direction, so max out all available roof space. Exporting power...
@soniks use the default Grant settings as a start. Have you found out why your ASHP is cycling on and off and what is causing it? That's a separate is...
@soniks it's exactly as per @derek-m comment. Something is switching your ASHP on and off 2 or 3 times an hour. Because of that your flow temperature ...
@bretix we're all learning on these systems 🙂 I would set the secondary pump to full flow, always. If the pipe distance between your low loss header ...
@bretix the dial on the HW cylinder is just a cylinder stat, turn and set it to whatever hot water storage temperature you want, it will then revert t...
Oversize unit: it may cycle in and off more on low output, as the heating load might be below the minimum turn down capacity of the unit. That will co...
As Osiwu says, short circuiting of the evaporator airflow, where the discharge air ends up back at the coil inlet face, will reduce performance. But t...
Really sorry to read this @jswhite. 16kW is a large unit for 120m2 heated area, especially if you usually have diversity and only some rooms heated. Y...
The HIVE main thermostat overrides steady ASHP control if it's switching on and off. You can tell if it is from the HIVE app temperature graph. The HI...
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RE: Ripped Off: How UK Homeowners Are Paying Gas Prices for Wind Energy
Short video from Greg on the announcement
By Jeff , 1 hour ago
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@bart That is terrible and a clear breach of the buildi...
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RE: BUS Grant: removal of all other fossil fuel heat sources
@editor If it is of any interest, we had the BUS grant,...
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Sorry to hear that @bruce. Sadly I’ve heard from multip...
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RE: Crystal Ball Time: Communal or even Area Energy Storage?
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RE: Who has a V2G EV installation
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RE: Aira Heat Pump: Stylish Scandinavian Heating
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RE: Location of hot water isolation valve on cylinder
@transparent Thank you so much and very helpful. Earlie...
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RE: Ecodan consuming 100kwh per day in new build!!!
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RE: Plug and play solar. Thoughts?
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RE: Compressor attempts start but fails - Nibe Fighter 2005 8kW
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The Importance of Radiator Balancing for Efficient Heating: Introducing the Flow Regulating Valve
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RE: Servicing Hitachi HP in rural Somerset
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RE: Heating coming on when not required
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RE: Pressure drop Primary circuit
I've always regarded topping up heating systems as my j...
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RE: Heat pump solutions and/or installer recommendations for France
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