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Last seen: Aug 16, 2026
What happened then? What do the lab results show?
Here's an excellent explanation. If you have non barrier PEX underfloor heating, it is the most likely culprit as it is permeable to oxygen. Th...
Nominal current is only 0.3A per phase, it's intended to protect public lights, not beefy enough for a heat pump.
Yeah This may be expensive to fix (or maybe not) you should check your installer contract, see what kind of leverage and/or guarantees you find in t...
Recent daily electricity bills in kWh.
What the hell. There is exactly one reason to use a heat exchanger on the main circuit: when fluids on both sides are different, for example: - He...
Ecodan speaks a proprietary protocol on its connector "CN105". It's been reverse engineered and it is possible to use an ESP32 as an interface to Home...
Dry rotor circulators are noisy, but wet rotor circulators are supposed to be almost completely silent. I have a Grundfos Alpha 1L which is perfectl...
Here the heat pump runs continuously and generates power, which manifests as DeltaT between flow and return, and is also displayed as "Heat" power in ...
I wonder how much coal the Germans are going to burn when they run out of natgas.
These systems should work fine without requiring the user to become a part time heat engineer and plumber. Unfortunately, visits from the "tech wizard...
It's possible to estimate the minimum power from the inverter modulation range, often called "Compressor Hz" in the technical documentation: for my LG...
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Degrees of Separation
Latest Posts
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@davidb I can’t help you with contacts at Vaillant unfo...
By Mars , 29 minutes ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@Ian-S, I actually think this is a pretty reasonable pl...
By Mars , 32 minutes ago
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RE: Who's your electricity provider and what's your tariff?
@toodles I invested on Miele a pair of frodge frozor wh...
By AgentGeorge , 4 hours ago
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RE: Flushing system, cleaning and inhibitor
Flush and fill all complete. Octopus kindly gave us a...
By Old_Scientist , 4 hours ago
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RE: Wood burner with ASHP - direct air?
For what it's worth I installed a wood burner in this o...
By BlizzardGreen , 5 hours ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
I think I saw a diagram for an exhaust air dhw tank wit...
By JamesPa , 1 day ago
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RE: Indevolt Batteries UK Support & Info Thread
Thanks, however that's an answer to a subtly different ...
By JamesPa , 3 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@toodles Such elegant symmetry. look at my lumpy bag of...
By Papahuhu , 4 days ago
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RE: PV and battery long payback - sense check query
Quite probably not, but you can get a 32A relay and a S...
By JamesPa , 4 days ago
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I don't notice mine defrosting, and most of the time Im...
By JamesPa , 5 days ago
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RE: Do I need to change the control unit when replacing my Ecodan Air Source Heat Pump
Kind of you, @calumm, but it was @f1p who did the heavy...
By Majordennisbloodnok , 6 days ago
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RE: Electricity price predictions
2. As EV ownershp increases it'll certainly increase de...
By EtchedPixels , 6 days ago
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