Last seen: Nov 24, 2025
Mine does make some strange noises during defrost but nothing I would describe as a rattle. I have no idea if Hitachi tech support are helpful or no...
Yup that will do! I cant see a problem with that in principle but this is something worth checking in the app. According to the app (I havent ve...
No. Absolutely do think of it as the temperature you want the room. In more detail: The heat curve slope is set by the parameter: 'Heat ...
Heat pumps should always be run with most (preferably all) of the system open. Shutting down 10-20% is unlikely to be a problem, shutting down more i...
Thats expected I wouldn't expect it to rattle. can you tell what is rattling?. I would expect it to be iced up Honestly no idea what cycle ...
Unless your house cools a lot during the setback, its still losing heat at almost the same rate - houses dont stop losing heat because you turn the he...
Absolutely. Dont use it! Seriously Nest, like other smart thermostats (other than Homeley, Havenwise, Adia), are wholly unsuitable for heat pump co...
Hi Thanks for the extra info, it helps with the picture Just to confirm what is the make up of the downstairs flooring/insulation (you speak of su...
@trebor12345 As you can see the community is discussing ideas on how you might best control this system. I have been reading the user manual. You h...
I didn't know about that history. With the modern trend towards retrofitting UFH this means that we can expect a whole slew of failed heating install...
@bontwoody Given your experience from your previous house and given op has a 8kW heat pump for possibly a 2.5- 3.5kW house which takes 18hrs to co...
Thats really helpful. The plot produced is odd and to me smacks of flow temp reduction triggered by a control not by defrost. The temperature soon r...
Latest Posts
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Ok, my Solis can work to a huge variety of global grid ...
By Batpred , 28 minutes ago
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RE: Renewables & Heat Pumps in the News
Sorry I did write a reply to @jeff the other day and th...
By Lucia , 2 hours ago
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RE: Electricity price predictions
I expect to be addressing a meeting of residents living...
By Transparent , 2 hours ago
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RE: Replacing my 18 month old ASHP
Thank you. The pipe work is now insulated. Finding ...
By trebor12345 , 4 hours ago
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RE: Solis S6-EH1P8K-L-PLUS – Why I Chose It and What I’ve Learned So Far
@batpred I'd be interested to know if you h...
By Bash , 4 hours ago
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RE: 10kw heat pump run in 24*7 data?
Yup that will do! I cant see a problem with that i...
By JamesPa , 5 hours ago
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RE: Grant Aerona: Is there a setting to keep the 2-port valve open during pump blockade
I ran it last winter 24/7 with no stat. Feeling smug, I...
By Unsure , 5 hours ago
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I hope this helps I might have put them up here before ...
By Judith , 6 hours ago
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RE: Cashback Incentives That Reward Shorter Ideal Heat Pump Warranties
@davesoa, great thought, but FOI won’t work in this cas...
By Mars , 6 hours ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
Heat pumps should always be run with most (preferably a...
By JamesPa , 6 hours ago
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RE: Don’t Install a Heat Pump Until You Read This
@editor I was surprised to read your praise for Mitsubi...
By Ecoste , 9 hours ago
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RE: Getting the best out of a heat pump - is Homely a possible answer?
Absolutely. Dont use it! Seriously Nest, like other ...
By JamesPa , 9 hours ago
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The Ultimate Guide to Heat Pumps is on Black Friday sal...
By Mars , 13 hours ago
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I can easily understand that. Here are my additions to ...
By Majordennisbloodnok , 13 hours ago
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RE: Maintaining temperature on windy day
I used to, but now I am retired. Mostly I miss doing th...
By cathodeRay , 1 day ago
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RE: Extend the colder range of the weather compensation curve?
Daikin has a slope WDC which changes per degree of temp...
By RadWhisperer , 1 day ago
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RE: Why Millions of UK Homes Struggle With Heat Pumps
The idea (and at least one similar product) has been ar...
By JamesPa , 1 day ago
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RE: Commencing on an ASHP Installation Process
@sheriff-fatman looks very nice. And good shout check...
By benson , 1 day ago
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RE: ECO4, ECO3, ECO2, ECO1, HUS, BUS, GBIS Dedicated Support and Advice
@toodles very happy too (I have no vested interest othe...
By Bart , 1 day ago
