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Last seen: Jul 7, 2026
That’s very disappointment. Like nobody bothered to even ask the most basic questions of the installers. Like would this work? Are you interested? So ...
Manufacturer: appliances direct/superheat Model: 7Kw Type: ASHP. Arrangement: Monoblock + single zone, open loop. No hot water Area of Country...
I think you can set the temperature to very low 5C in the time weekly timer. Either do it for the full period when the fire is expected to be on, or y...
Btw, fixing your system so the underfloor heating is working is definitely by far the best you can do to improve your COP substantially. It also provi...
The system doesn’t seem to have return or deltat as a value. For that you’d need something like openenergymonitor. For the cycling I have home assista...
Hi David, as I understand it running the system in active mode means that it is not running in pure weather compensation mode and is hence a little le...
I’ve got a similar system, but it’s a 5kW unit, I understand that is the same hardware as the 3.5. I get a mildly disappointing 3.8 cop. This seems to...
Good old physics tells us that it is impossible to not have to put extra energy in to get the temperature up without putting extra energy in. I havent...
@cathoderay the principle is as probably described somewhere above, that the energy usage is directly proportional to the deltaT between outside and i...
interestingly that’s not what I see, here is the same from my calculations on your data, there is clearly extra energy being put in:
@cathoderay i’m getting different results, using this method: calculate the average kWh/inside outside deltaT Kelvin (sum(kWh in)/sum(deltaT), that ...
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Latest Posts
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Sun getting through the windows: if you don't have sola...
By bobflux , 13 minutes ago
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RE: Comms and power cabling to outside unit
@jamespa I can only guess the issue is with cost of ...
By Papahuhu , 2 hours ago
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RE: Vaillant Arotherm Pro vs new Plus
when our system was installed in September 2 years ago ...
By Judith , 14 hours ago
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RE: Rate the quality of your heat pump design and installation
I had a Heat Geek lead install by Green Heat Norfolk. T...
By Orlando , 23 hours ago
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+1 that works well If most of the thermal mass is in ...
By bobflux , 1 day ago
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RE: Mitsubishi Ecodan FTC6 settings
While @F1p's dongles are great, the FTC can do this its...
By RobS , 2 days ago
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RE: Samsung heat pump - data cable issue
If it's a data cable, current will be minuscule, voltag...
By bobflux , 2 days ago
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RE: MCS Quality Audit – Has Anyone Had One? Did It Lead to Remediation?
I got hit with an RHI audit in 2022. It was far from c...
By Abernyte , 2 days ago
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RE: Electricity price predictions
@papahuhu Groucho Marx had something to say about no...
By Toodles , 2 days ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@jamespa haha very true, although the engineer yesterda...
By swwils , 2 days ago
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RE: What a difference a few degrees make.
Wow. Having accepted the challenge, I ran the cold tap ...
By Old_Scientist , 3 days ago
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RE: HeatPump maintenance in Swindon area?
@vince31 have you tried using our finder:/p>
By Mars , 3 days ago
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Looking for beta testers for a new homeowner heat pump tool
Over the past few months I've been building a brand new...
By Mars , 3 days ago
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