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Last seen: Feb 3, 2026
I cant offer any charts of measured figures to the defrost debate, however i can add observed conditions during a defrost. My heat pump is outside the...
@cathoderay Maybe i am a skeptic, men in white coats were involved with the Dieselgate emissions scandal, it didn't stop them, when money is involv...
@cathoderay It occurs to me that there is one variable that 99.9% of heat pump installs cannot accurately check, it is the energy output. Most of u...
@cathoderay Re defrost systems, i asked the engineer about these when the system was fitted. Viessmann have a two stage defrost, if the air tempera...
@ashp-bobba Thank you for a very detailed reply, the idea of having say 3 loops in a room instead of 2 makes sense if there is a smart controller f...
@bornagain Sounds a perfect fit, I am in a 200m2 Bungalow, unfortunately i didn't know about this site so allowed the heat loss calculations to dic...
@jamespa They will see what the plumber is suggesting when he gets back the projected heat loss, Maybe with a fancoil on the landing, the design te...
@jamespa I will see what the plans are for the hallway, it should be possible to use it to get heat upstairs. When balancing the UFH flows the hall...
@majordennisbloodnok I agree that they should look at MVHR, but will need to get their builder onside, some builders don't think air-tightness matte...
@gc61 Less that one start per hour is very good, our pump can manage that when its cold, but it cant modulate down low enough in Spring and Autumn, ev...
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Degrees of Separation
Latest Posts
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@majordennisbloodnok I just noticed that A2A manufac...
By Batpred , 28 minutes ago
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RE: Help me keep the faith with my air source heat pump installation
I didn't know about those, they look like good pieces o...
By JamesPa , 31 minutes ago
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@mkz, that's very helpful. Even if Urban Plumber are no...
By Majordennisbloodnok , 37 minutes ago
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RE: Several AC coupled batteries
That is a good point, a manufacturers can stop trading,...
By Batpred , 1 hour ago
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My first question is why bother with the auto balancin...
By JamesPa , 2 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
Hi @hanno - good question. The range of hybrid invert...
By Transparent , 2 hours ago
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RE: GivEnergy inverter tripping due to over-voltage?
@transparent the inverter was installed in 2021 and afa...
By Tim441 , 2 hours ago
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I share the same experience as @majordennisbloodnok hav...
By Old_Scientist , 3 hours ago
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RE: Say hello and introduce yourself
I hope so, @toodles. It's not often that we see a situa...
By Majordennisbloodnok , 6 hours ago
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RE: Heat pump design review please: 5 kW Vaillant aroTHERM Plus heat pump
@jamespa many thanks, definitely i will give the pre...
By ragtime27 , 17 hours ago
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RE: Heat pump installation quotations
@jamespa I noticed that in the Heat Geek design consult...
By Batpred , 19 hours ago
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RE: Electricity price predictions
Good point, I do expect the bonus of putting my energy ...
By Batpred , 1 day ago
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RE: Daikin ESPAltherma and Home Assistant installation
@bash, something we haven't touched on already relates ...
By Majordennisbloodnok , 1 day ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Vaillant arotherm plus 12kW. Installed March 2025. Ex...
By Harebell , 2 days ago
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