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Last seen: Oct 7, 2026
@davec At a wild guess a low external temperature in order to flatter it! If they were proud of the figure they would bother to tell you the inf...
Im assuming from your original post that hysterisis refers to the DHW and you want it to reheat immediately the water temperature falls below some par...
You are absolutely correct that the capacity table MUST be consulted. Heat pumps vary in how much, and in which direction, they depart from the 'stic...
Welcome to the forums. You are in an interesting position. By the sound of it the heating system is pretty old. If so and if this were soon to be ...
Electricity retailers offer fixed price deals. By agreeing the purchase price in advance they can manage the risks. Electricity generators probably ...
If I recall correctly the efficiency measure for cooling is different to that for heating, because the energy used by the compressor doesn't add to th...
Thanks both, that all makes perfect sense and seems prima facie like a fairly sensible market mechanism albeit doubtless not perfect (is anything?). ...
I know and yes. The secondary deltaT wont necessarily keep up with the primary deltaT because that will depend on what the pumps are doing, but it ...
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Latest Posts
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RE: Missing flow temperature in Heat Geek proposal
@donciccio You might be better posting these concerns o...
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RE: Heat Geek Zero Disrupt: Are We Sleepwalking Into Another Race to the Bottom?
@jamespa Hope someone tries it! As a consumer, I wou...
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RE: Air-to-Air Heat Pumps & Air Conditioning: UK Heating and Cooling Q&A
Our latest Homeowners’ Q&A episode has just dropped...
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RE: Vaillant ecoTEC Plus with sensoCOMFORT and weather compensation
Yes, its described in the sensocomfort manual. Its als...
By JamesPa , 19 hours ago
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RE: Heat Geek installations: share your experiences
My summary, highlighting the oddities.
By Batpred , 20 hours ago
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RE: Renewable Heating Hub Homeowners' Q&A Podcast
What a day yesterday! Two podcasts recorded, brilliant ...
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RE: Tesla Powerwall (2) Calibration Cycles
@davesoa I’m rather a Luddite, but when I was running I...
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RE: Adding additional Solar Panels to a DC coupled battery system
I too use AI when researching online. It's able to co...
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RE: Getting closer to a finished Haier system
Theres comprehensive instalation and service manuals (I...
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RE: Indevolt Batteries UK Support & Info Thread
There is now a new Secretary of State for Energy Securi...
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
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RE: DIY Heat Pump Installations: Navigating Legal and Regulatory Hurdles
The idealist in me says pioneers in this space should b...
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RE: How should the Boiler Upgrade Scheme be reformed?
Ah, that makes sense when a combi is in place. The boil...
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RE: Replacing Storage Heaters with a Heat Pump in a Stone Cottage
@bobflux Thanks, that gives me something to check the i...
By Paul1098 , 4 days ago
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Over the years, due to the non barrier PEX underfloor h...
By bobflux , 4 days ago
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