Last seen: Jun 18, 2025
A big 'hmmm' from me. 😉 The elephant in the sitting room is not the efficiency and rated performance of heat pumps when tested to BS EN 14511 or BS...
Just be mindful of installation restrictions on newer A3 class R290 refrigerant (Propane) ASHP monobloc units. There are rules to follow concerning lo...
Good update 🙂 Cosy 6 aka 'The Maddy D's Bin' has a inclined fan outlet, but the fan outlet is not a freezing risk anyway, that risk is only from cond...
South facing rooms with large windows can experience high solar gain. Is this the case? Solar gain is one factor that external weather compensated con...
Hi @rikiarn, welcome here! Difficult one. A picture says 1000 words. There's some things jump out: The proximity of the neighbouring property. Posit...
Around 5.5degK at design output. Narrows to about 2.4degK on WC low load. Constant flow system so variable deltaT.
Damage is cosmetic is appears, but the result of poor handling, so there could be inner damage unseen. Send it back. I've noticed an increasing trend ...
The wife (ouch...)
@editor I see. I knew there would be sound reasons. My ASHP is barely big enough, and I've seen aveage room temperatures drop a couple of degrees over...
Thanks @Mars. A 'boiler' you say, this is blasphemy!
Hi @editor, has the valve failed or the motorised actuator?
Hi @crimson, I think field 2 is compressor discharge temperature, field 0 is return water temp, 9 is leaving water temp. Check the Grant installation ...
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@robs ASHP Closure of doc unknown's thank you And man...
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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: 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: Pressure drop Primary circuit
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