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JamesPa
JamesPa
@jamespa
Moderator
Illustrious Member
Joined: Apr 3, 2023
Last seen: May 16, 2026
Topics: 23 / Replies: 4841
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RE: Humidity, or lack thereof... is my heat pump making rooms drier?

Can you link them to Home Assistant so they can be intelligent?

3 months ago
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RE: Electricity price predictions

I have often thought the same. In Italy (I am told) there is an element of pricing which is dependent on the supply capacity (basically you pay more ...

3 months ago
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RE: Oversized 10.5kW Grant Aerona Heat Pump on Microbore Pipes and Undersized Rads

As I mentioned earlier most radiators have a power output proportional to (Trad-Troom)^1.3. There is a brand of aluminium radiators (Eskimo) that cla...

3 months ago
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RE: Electricity price predictions

@transparent Im impressed by all your work on this. Triggered by the various comments Im now trying to make sure I understand the actual problem(s)...

3 months ago
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RE: Electricity price predictions

I get the scientific argument however I would ask what is any government supposed to do given the real political pressures? Nodal pricing was droppe...

3 months ago
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RE: Midea R32 Monobloc MHC-V12W in 1989 Detached House: Noise from Pipes/Airing Cupboard, DHW Schedule Not Always Heating – Advice Needed?

This is absolutely standard for any sealed pressurised system (ie any system without a gravity fed tank usually in the loft). This is true whether bo...

3 months ago
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RE: Oversized 10.5kW Grant Aerona Heat Pump on Microbore Pipes and Undersized Rads

@uknick   TBH if I were taking the floor up anyway then I would upgrade. Its quite possibly not necessary but (apart from the cost of the ...

3 months ago
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RE: How to control DHW with Honeywell EvoHome on Trianco ActiveAir 5 kW ASHP

The last photo is defrost for sure (or cooling, but presumably not at this time of year). You can tell because flow < return.Once you get close to...

3 months ago
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RE: Oversized 10.5kW Grant Aerona Heat Pump on Microbore Pipes and Undersized Rads

@uknick Some very useful real world data from @old_scientist very relevant to your case. If your loss is really 3.5kW I think its less than 50% pro...

3 months ago
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