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JamesPa
@jamespa
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Illustrious Member
Joined: Apr 3, 2023
Last seen: Nov 10, 2025
Profile Activity
Topics: 18 / Replies: 3327
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RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

Firstly I think you accidentally pasted a picture not the actual excel Your comment is certainly correct. Most heat pumps have a modulation ratio ...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New to world of ASHPs: Ideal Logic Air Monobloc heat pump 8kW questions

May I ask what your previous heating was, you said it was all electric, what type? I wouldn't despair, most of the heat goes through the roof not th...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Water tank location – where can I put it?

OK Morning and evening are far enough apart you can reheat in between, so we can consider one alone. 2 * 10 min showers consume the following @2...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

Agree. It took me a while to work out but once it clicked it is definitely a better approach than the 'four point' approach. I think the 'third dim...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan 6kW - is it "cycling", or normal operation?

Difficult to say as I was still in the process of adjusting my WC settings at the time I made the change. What I know is that the house temperature i...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

They are confusing at first if you are used to the 4 point interface, but actually its a better system IMHO. Vaillant has the same and from what you ...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New to world of ASHPs: Ideal Logic Air Monobloc heat pump 8kW questions

@tinkestral-6 Thanks for the picture. Is there a model number or any other ID on the rear?

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

Not particularly. Middle of day gives best efficiency, middle of night less efficient but a time when you are happy to have the house cool a bit. If...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is My Midea Heat Pump Inherently Defective?

Somehow that feels like the basis of a motto/strapline. Without a doubt the combination of the nonlinear response to the main variables, the inhere...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New to world of ASHPs: Ideal Logic Air Monobloc heat pump 8kW questions

@tinkestral-6 OK lets get back to doing some basic optimisation on your system. The good news is that you dont have a buffer or (so far as can be t...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

Mostly (but not completely) I agree with @uk_pete_2000 I would say I would go with your gut and have two slots to heat DHW and go from there...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How To Balance Radiators & the Role of the Lockshield Valve: A Homeowner's Guide

@alfapat OK, thats very helpfu. If you just record your values for the FSVs in the first picture that should be fine. Most will probably be as per...

9 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
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