Last seen: Apr 7, 2025
The answer to the first question will (hopefully) be because its cold outside and the heat pump is (effectively) preparing for the effect of the cold ...
This is where the control philosophy adopted by Vaillant (and some others, mainly European) wins. They give you a 'room temperature' adjustment, but ...
Yes there is, provided the buffer is tall and well designed so there is stratification (forget 50l buffers so commonly fitted) With one of these you...
Agreed However if the above is the official lg position it's a good argument in future to avoid lg, which is disappointing. I wonder if their quote...
With tenants I'd be tempted to remove the trv heads, set it up to run on water law only, adjust the water law and leave. (Otherwise you will likely g...
A couple of comments on the Sustain proposal: ~5K to you is a reasonable final price by the standards of pricing for ASHPs The 3.5kW Vaillant is...
I hope I didnt offend, its just that' like you.... unless there is an explanation which is at least plausible. Alternatively I might believe...
@cathoderay Im not a statistician but note with interest that the error bands (I presume they are error bands) overlap at OAT>13. Thats going t...
@matthew_w It's a complex area and every case is different so in fairness to the podcast difficult to summarise. It also changed frequently. I ha...
@dak51 I would also be interested. Heat pump reliability is almost never reported as a problem on this forum so far as I can tell, so you seem to ...
Latest Posts
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RE: Performance of Heat Pumps in Mild Weather
@heatgeak It's good to talk about mild temperatures and...
By RobS , 5 hours ago
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RE: What happens when the outside temperature exceeds the upper WC point?
The focus of this week’s podcast recording is on “Heat ...
By Mars , 6 hours ago
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RE: How many compressor starts per year
@gc61 Less that one start per hour is very good, our pu...
By MikeF , 8 hours ago
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RE: Ecodan consuming 100kwh per day in new build!!!
Hi all, There is really no update . I have tried ...
By anca1808 , 9 hours ago
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@transparent ,thanks for the reply,I'm just wondering h...
By Browntrout , 9 hours ago
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RE: Help me keep the faith with my air source heat pump installation
Which, if you are right (which you may be), is unfortun...
By JamesPa , 9 hours ago
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RE: Opinions please on me putting a 2.5kW roof mounted turbine on my garage - am I mad?
You might want to have a look at some of the posts here...
By IRMartini , 11 hours ago
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Signenergy AI Mode - How long does it take to learn a usage pattern?
Not sure how many Sigenergy users we have here but I’m ...
By adam , 12 hours ago
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RE: Pressure drop Primary circuit
PHE s can fail, I'm not sure what the most common failu...
By JamesPa , 13 hours ago
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RE: Hitachi Yutaki SCombi Heat Pump - Thermal Off's
Hitachi is sadly not alone. The OAT sensor should be i...
By JamesPa , 15 hours ago
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RE: Ecodan software update. Real or scam?
Hi - last week a Mitsubishi service tech installed a so...
By SKD , 17 hours ago
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RE: Are Homeowners Being Silenced Over Faulty Heat Pumps?
I would actually (and reluctantly) challenge the assert...
By JamesPa , 1 day ago
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Just a bit of an update... thanks to the information yo...
By Sandman1600 , 1 day ago
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RE: Grant Aerona fine tuning advice needed
@grantmethestrength I'm afraid all of that is above me ...
By Stopbar , 2 days ago
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RE: Hitachi Yutaki SCombi Heat Pump - Owners
@editor I just wanted to know other owners thoughts and...
By trebor12345 , 2 days ago
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RE: SolarPV tables / online calculator
Quite right. Amended, and thanks for spotting. Rather p...
By Majordennisbloodnok , 3 days ago
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RE: Do I just go with the lowest quote for my heat pump?
Now a week after the system was commissioned. Generally...
By Jancold , 3 days ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Forum Handle: @BruceR Manufacturer: Vaillant Model:...
By BruceR , 3 days ago
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RE: Is my Samsung heat pump working too well?
I might have missed this earlier in the topic, but what...
By guthrie , 3 days ago
