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Last seen: Jun 26, 2026
@sunandair hi. Sorry for the delayed reply. I was considering the Grant Smart Controller as a retrofit for my ASHP, and had the good fortune to be off...
I had a good chuckle at this. 😉 The Aira YouTube product launch was targeting Germany, Italy and the UK markets, as a group launch of branded Vaillan...
No data sheets or produce literature yet, but a very glossy product launch. It's a branded Vaillant product, so it should be good. I'm not a great fan...
That's revealing. The house may be super insulated, but typically a Victorian property would have solid walls and non-insulated floors. Do you know mu...
Depends on the heat loss of your house and how warm you are wanting it. Defrost can effectively de-rate a heat pump's output capacity if the time take...
@signorjim delta T flow and return of 10degC is quite high for an ASHP. At 10degC delta T and 17l/min flow it's theoretically giving out 10x4.2x(17/60...
Hi @signorjim, the slow rise in leaving water temperature from your ASHP [I presume you mean, rather than refrigerant temperature], may be due to the ...
Agree, heating oil prices vary short-term seasonally, and longer-term with the cost of a barrel of oil. We found we could always purchase it for less ...
@steve81uk and @toodles, we're all on a similar journey here. Perhaps to a lesser or greater extent of data acquisition, analysis and statistical geek...
@graemed well done! Will you be issuing an invoice to your installer at your standard charge-out rate +VAT on the same payment terms they had with you...
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Degrees of Separation
Latest Posts
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RE: New Build 3 Phase or 1Phase
Not so any more.... 1: It's now the...
By Transparent , 12 hours ago
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RE: How will removing the standing charge on gas bills benefit heat pumps?
I think it has an enormous impact on air/air users. The...
By EtchedPixels , 20 hours ago
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@editor Ouch, sorry to re start the tick. I had assume...
By DavidB , 2 days ago
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RE: Say hello and introduce yourself
@e-a-west as the good Major said, welcome to the forums...
By Mars , 2 days ago
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RE: How much of your renewable and home setup would still work if the internet went down?
Yes I actually have a copy of a tool that whenever a ce...
By EtchedPixels , 2 days ago
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RE: Indevolt Batteries UK Support & Info Thread
@editor Hi, To resolve this, please tap on the A...
By Indevolt Tech , 2 days ago
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RE: Double or Triple Glazed Windows?
Posted by: @singlespeed With 9 years repairing windo...
By Rob of York , 3 days ago
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@transparent we’re still running a secure version of PH...
By Mars , 3 days ago
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RE: How quickly would you want/expect heat recovery to take from setback?
Much longer than that here. The heating isn't even on. ...
By bobflux , 4 days ago
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RE: Passiv Smart Thermostat - Help & Forum Support
Obviously the weather is changeable but there's a defin...
By Singlespeed , 4 days ago
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@rob-of-york I must admit that when we had a Daikin hea...
By Toodles , 4 days ago
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RE: Forum updates, announcements & issues
Get the Renewable Heating Hub heads-up on WhatsApp. I...
By Mars , 4 days ago
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RE: Safety study for plug in batteries out to tender - looks like Q3 2027 at best before legal
@editor I pointed out to the one of the Fuse execs that...
By dansus , 4 days ago
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RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews As well as loft insulation, there are othe...
By Rob of York , 4 days ago
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