Last seen: Nov 27, 2025
Are you able to post any graphs? Unless its cycling or defrosting it should be achieving (at the heat pump) a COP close to spec. Defrost can cripp...
So at DT 5 (the normal design DT for heat pumps) that will transport 4.2kW (assuming water, about 10% less if its glycol). Is that sufficient, if no...
Hi, and welcome to the forum. I cant quite understand whats going on in the charts because the labels arent obvious. Cn you clarify whic...
Really good episode thanks for that. Uplifting as well as informative and, dare I say, it giving real hope. The guy from heat geek (James?...
Very sound reasons imho. My current feel, albeit based almost entirely on hearsay and what they say, is that they have a good mass market offering. ...
That's interesting. We don't know what design trade offs octopus, or for that matter any other heat pump manufacturer, have made. Octopus however ...
That alone, assuming it's true, suggests that generation is too lucrative. Which prima facie is at variance with zero bids for a windrarm licence cal...
Cosy if the only heat pump I know (and I have looked at the manuals to more than a dozen) which imposes such a high minimum flow temperature @ the col...
I think you may have missed the posts where its explained what he is trying to do which is get it running on weather compensation alone (as many do wi...
Im guessing a fair proportion of that group are renters, so its their landlord's job. How low income home owners manage to find the money to replace ...
Which is exactly how houses used to be designed (and I suspect mass designed houses still are). Put all the plumbing as close together as possible.
I doubt that tweaking the warm OAT setting will make much difference but its worth a try! My guess is you may well need a cold end setting lower than...
Latest Posts
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
That would be my worry. If they insist the resolution ...
By AndrewJ , 18 minutes ago
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RE: Electricity price predictions
@jeff to be honest I'd forgotten that they adjust for t...
By Scalextrix , 22 minutes ago
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RE: Grant Aerona Short Cycling
@mikefl, thanks for sharing your operating data, very i...
By Steam Powered , 26 minutes ago
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RE: Replacing my 18 month old Hitachi Yutaki ASHP
I have been writing down the temperatures on the probes...
By trebor12345 , 41 minutes ago
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Its nothing to do with the heat pump of course, somethi...
By JamesPa , 1 hour ago
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😉 Yes, the signature goes everywhere... "Home P...
By Batpred , 2 hours ago
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RE: Solis S6-EH1P8K-L-PLUS – Why I Chose It and What I’ve Learned So Far
@batpred Thanks. Hardware wise, you just used a st...
By Bash , 4 hours ago
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@f1p, sorted, on a android phone Just swaped from ...
By @sand , 4 hours ago
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RE: Here is my heat pump installation with questionable COP in Italy
@jamespa Sorry for the late reply, I apologize for the ...
By materox345 , 6 hours ago
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RE: Trying to understand my Nibe F1245
First of all you have one of the best geothermal heat p...
By greenlight , 6 hours ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
@editor Yes BUT that was 3 years ago installed in Janua...
By rob heatpump bob , 17 hours ago
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Thanks for your response. I have UFH downstairs and ...
By GeorgeA , 17 hours ago
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RE: Home energy storage & battery register
2 days uninterruptible power supply (at the moment) wit...
By Batpred , 20 hours ago
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We have a Vaillant aerotherm with sensocomfort. We have...
By Newbie , 21 hours ago
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@trebor12345 Yes, expect defrost cycles to initiate at ...
By IaAck , 21 hours ago
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I would probably have them in white as that would match...
By Grantmethestrength , 22 hours ago
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RE: Hitachi Yutaki SCombi Heat Pump - Owners
@sim0n0 Sorry to hear that. Putting the past aside w...
By JamesPa , 22 hours ago
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RE: MelCloud "Mixing tank temperature"
This post, on my 'diary' thread, might be of interest i...
By Sheriff Fatman , 23 hours ago
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RE: Heat Pump Training vs. Real-World Installation
Thank you for doing that, @editor, and for writing this...
By Majordennisbloodnok , 1 day ago
