Last seen: Sep 14, 2025
Sofar has bigger units than the 3kW version, or you can double up. But 16A per phase (ie 3kW single phase) is the limit of the UK G98 certification, b...
The folks over at diysolarforum.com are getting quotes for $1300-1800 (delivered, variously to US, EU, etc) for ~10kWh of LiFePO4 cells from China, de...
I'm not aware of smart TRVs with external temp sensors, but one possibly useful thing is that UFH setups typically have the valve and the temperature ...
I think what you're talking about are Fan Coil Units or FCUs. They're basically a pipe with metal fins to transfer the heat, with a fan to blow air t...
I'm not sure that difference is 'set', but it's essentially the properties of your heat emitters (radiators, UFH etc) and water cylinder. For exampl...
Oops, missed the edit window. It's section 8.4 on page 120 (External Heat Source) not 8.3 (electric backup heater) - it appears you can have both and ...
For Grant the heatpumps are made by Chofu who provide a much more detailed manual. See section 8.3, page 111 onwards: In particular, 8.3.2 describe...
The interviewer sounds like she wants to be Jeremy Paxman, interrupting and not letting the interviewees speak. But that seems to be her style - list...
Hi Cally We’ve had a 13kW Grant installed about a month now, and it was really noisy to begin with. It came from the pipes, although the outdoor...
Question from me: What are the risks of oversizing an ASHP, and are there ways they can be mitigated? For example, might minimum flow rate be a prob...
I did look at RED - Freedom Heatpumps have some videos on them. I'm a bit wary about this 'designed for the UK climate' thing: I've seen that slogan...
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RE: Inventor (Midea) Heat Pump short cycling advice
I installed the 80L tank (volumizer) things got better ...
By immunity , 1 hour ago
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RE: Mitsubishi Ecodan F8 error
I absolutely love this. This is the quintessential heat...
By Mars , 8 hours ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
@papahuhu at the end of the day if you are happy with h...
By benson , 13 hours ago
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RE: Can you recommend a Mitsubishi service engineer in the Rochdale area?
@dgclimatecontrol We'll all need annual servicing. How...
By Suzy-shadow , 13 hours ago
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RE: Renewables & Heat Pumps in the News
@transparent I’ve understood your point now. The point ...
By Judith , 14 hours ago
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RE: Octopus tariffs - a quick comparison
Does indeed need checking, @tim441. Neither Homely ...
By Majordennisbloodnok , 14 hours ago
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RE: How not to install a heat pump
Delighted to hear that the buffer has been replumbed as...
By JamesPa , 15 hours ago
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RE: Daikin 9kW to 8kW Swap Offer from Octopus
Yes but 9kW is similarly the 16kW derated. So 8kW subs...
By JamesPa , 16 hours ago
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Actually, there's a rather greater degree of cattle-her...
By Majordennisbloodnok , 17 hours ago
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RE: The Hidden Secret to a Successful Heat Pump: Pipe Size Matters
@davidnolan22 So far as I can tell from the 'other p...
By JamesPa , 21 hours ago
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RE: 5 Star Service from Havenwise
I keep getting havenwise ads on my Facebook feed, so cl...
By benson , 23 hours ago
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Automation options to maximuse efficiency & ToU tariffs
I started a conversation with ChatGPT. What automation...
By Tim441 , 1 day ago
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RE: 4 Year Ongoing Heat Pump Battle With Poor Heat Pump Installation
@jamespa Oh, I know some that are good and some not so....
By ASHP-BOBBA , 1 day ago
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RE: Samsung Heat pump with Yonos Pico circulating pump running all the time
I don't know how many pumps you have but I guess it's o...
By JamesPa , 1 day ago
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RE: Help me keep the faith with my air source heat pump installation
That's just human nature unfortunately, not special to ...
By JamesPa , 1 day ago
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@bontwoody how long has it been now since you started t...
By Mars , 2 days ago
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RE: Bosch CS5800i 5kW - Experience So Far
Yes, over the last few days I've been keeping a very cl...
By Steelbadger , 2 days ago
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Absolutely. I am one of those members and I most certai...
By Majordennisbloodnok , 2 days ago