Last seen: Sep 29, 2025
@derek - this is a very interesting idea, but I fear there may be other drawbacks as well, given the addition of an indoor thermistor in serial with t...
@batalto - I've also made some possible progress on the modbus/RS-485 monitoring (which I gather is also what Homely uses, hence looking into it as a ...
Point taken, but my hardware, as in the plumbing etc, is pretty much where it is, with the only possible variation being removal of the PHE, which I a...
Kev - your room temp line looks suspiciously straight to me. It is almost a perfect flat line, with a minute wobble at about 0830. My room temp measur...
That's what I thought, it's the heat pump that 'inverts' to become a fridge, and uses the warm exhaust gas from the fridge to do the defrosting (put l...
Good point about GSHPs. It would still be interesting to know how other countries deal with ASHP frosting. Maybe they adopt @batalto's solution, choos...
Correct, I was going to include that but it complicated the post more than I wanted, and furthermore at -5 and below the main problem is the heat pump...
Installers understandably enough tend to have favoured brands, familiarity and all that, but a good one will readily consider another brand if it is m...
24-26 degrees is a very high medical requirement. The evidence is far from perfect, but the findings suggest a minimum of 18 degrees, even for older p...
I am familiar with python for basic things but might be inclined to use R for charts, done using cairo_pdf the output can be very neat. But the proble...
Thanks @scrchngwsl that and the rest of your post is a very clear description of how a 'learning' system might work. I'm not sure why I put learning i...
Latest Posts
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RE: Why Air Release Valves and Deaerators are Non-Negotiable
We have air release valves - the automatic ones with th...
By Old_Scientist , 4 hours ago
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RE: Heat Pump Installers: Competence, Illusion and the Hard Truth Homeowners Must Face
@editor Agreed, I await the details of what went wrong ...
By ASHP-BOBBA , 5 hours ago
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RE: Large heat pump options for church building
I wonder if this is a project @aventus-eco would be int...
By Mars , 5 hours ago
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RE: Help me keep the faith with my air source heat pump installation
@dgclimatecontrol yes the wall fixings are mostly aroun...
By AdamK , 6 hours ago
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RE: Rodents! A word of warning for heat pump owners
@lucia, I hear you on the lagging and insulation front....
By Mars , 6 hours ago
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@majordennisbloodnok And of course, ‘No deliveries betw...
By Toodles , 12 hours ago
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RE: RDSAP10 effect on existing heat pump EPC rating?
@mike-patrick interesting! Funnily enough we've just ...
By Tim441 , 12 hours ago
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RE: Do I just go with the lowest quote for my heat pump?
@jancold 😆 Toodles.
By Toodles , 14 hours ago
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RE: Moving FIT array onto a Tesla Powerwall 3 possible?
@judith The PW3 can accept AC or DC inputs. Regards, To...
By Toodles , 14 hours ago
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RE: DESNZ doing a survey which asks the right questions!
Its great to hear of your approach and success with the...
By JamesPa , 19 hours ago
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RE: Samsung Gen 6 - Schedules not working
@old_scientist Yes they are. Ive found a detailed discu...
By bontwoody , 1 day ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
The logic currently changes the max flow temp setting v...
By Grantmethestrength , 2 days ago
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RE: Which thermostat should I get (or do I need one?)
OK. It may be best to run it through the wint...
By JamesPa , 2 days ago
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RE: Samsung 5kW R32 Monobloc Gen 6 ASHP
Hi @Nick Owens, welcome to the forum. My Sam...
By Old_Scientist , 2 days ago
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Heat pump and wifi kit connection.
Currently trying to connect my Samsung MIM-B19N board t...
By Alfapat , 2 days ago
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RE: Heat Pump + Tado Setup: Smarter Control for Secondary Pumps?
I suspect this is one for @pirate-rich
By Mars , 2 days ago
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RE: Seal the Deal: Don't Let Your Heat Pump Leak Energy
Yuck, yuck and more! Others have pointed out lots alr...
By Judith , 2 days ago
