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Last seen: Oct 16, 2026
You can get an idea of what these shavings are: They're not rusty, so not steel. You can always try with a magnet. Crush it with some pliers to ch...
Yeah if you have acidic pH it's going to be bad. I'm baffled at the size of these metal flakes, they're huge! This doesn't look like the usual sludg...
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.
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Degrees of Separation
Latest Posts
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RE: Heat Geek installations: share your experiences
one thing i learnt from reading people’s comments and e...
By Batpred , 32 minutes ago
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RE: Cooling/heating with one unit
"The way we use A2A on a cheap overnight EV tariff is t...
By mrkfm , 3 hours ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
We have ‘signed on the dotted line’ today for a Panason...
By Toodles , 3 hours ago
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RE: Heat pump branding. Clever, contemporary… or a bit too much?
...or it was there and was lost thanks to laziness and ...
By Majordennisbloodnok , 4 hours ago
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@bobflux Thank you for your response. I am trying to ...
By RonV. , 4 hours ago
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This post is about how I successfully configured a buff...
By Tony.Stolz , 7 hours ago
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The installer visited yesterday and suggested the noise...
By JamesChatz , 9 hours ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Your house sounds a lot like mine. 2 surveyors each sp...
By JamesPa , 11 hours ago
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RE: Heat Geek Zero Disrupt: Are We Sleepwalking Into Another Race to the Bottom?
Thats true only if you do the wrong experiment. Done c...
By JamesPa , 12 hours ago
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RE: How should the Boiler Upgrade Scheme be reformed?
@temperature_gradient Isn't that just describing a regu...
By Prunus , 12 hours ago
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RE: battery storage without solar
As of October 1st they need specific qualifications to ...
By EtchedPixels , 1 day ago
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RE: Renewables & Heat Pumps in the News
With regards to the BUS grant raid, I gave it more thou...
By ASHP-BOBBA , 1 day ago
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RE: Why are ASHP installs so expensive?
The whole system seems to work on the basis of...
By ian33a , 1 day ago
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RE: Missing flow temperature in Heat Geek proposal
Good plan. If you can get half hourly meter readings a...
By JamesPa , 1 day ago
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