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Last seen: Oct 16, 2026
On one hand, if the exchanger, ducts and air flow rate are sized for furnace-temperature water, they may be undersized for heat pump temperature water...
Yes I use the LG to cool the slabs with underfloor heating. It works fine, as mentioned above flow temp needs to be high enough to avoid condensatio...
@batpred Many manufacturers sell only one or two models of heat pump, then add software limits to make intermediate power models. The result is, if...
AH (Absolute humidity) is grams of moisture per volume (or weight) of air. One cubic meter of air weighs about 1.3kg at 20°C sea level pressure. RH ...
If they don't do heat loss, you need another installer. For cooling in summer, there's another subtlety. In cooling mode, a fan coil unit uses a sig...
- Taxes on businesses are very high, plus bureaucratic and paperwork load incurs a heavy cost - Thus businesses must produce faster shoddier work at...
If you put a fan in a pipe you get a much more efficient ducted fan. To get a quiet heat pump you need a fan that spins as slow as possible while movi...
Particles floating in the water are a problem with moving seals like air vents or pressure relief valves, they get stuck in between the rubber seal an...
@trebor12345rebor12345 I got the circulator curves from the docs So at full power for deltaT 5°C it wants 10 l/min or 600 l/h ; at th...
These are a bit hard to read but the information is in there.
Most of the times whole house backup can't work without a large generator, simply because while a realistic PV installation can easily produce enough ...
+1 It's not just cloud though. Many devices have replaced the traditional screen and buttons with a much cheaper Bluetooth chip and a phone app. For ...
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Degrees of Separation
Latest Posts
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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 , 14 minutes 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 , 37 minutes ago
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@bobflux Thank you for your response. I am trying to ...
By RonV. , 39 minutes ago
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This post is about how I successfully configured a buff...
By Tony.Stolz , 4 hours ago
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The installer visited yesterday and suggested the noise...
By JamesChatz , 6 hours ago
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RE: Heat Geek installations: share your experiences
I struggled with this problem as well. An independent t...
By L8Again , 6 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 , 8 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 , 9 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 , 9 hours ago
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RE: battery storage without solar
As of October 1st they need specific qualifications to ...
By EtchedPixels , 22 hours 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 , 22 hours ago
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RE: Why are ASHP installs so expensive?
The whole system seems to work on the basis of...
By ian33a , 23 hours 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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RE: Heat Pumps Without Grants: Would You Have Installed One & Will You Now?
@editor Most certainly. The heat pump was an ideal s...
By Abernyte , 1 day ago
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