Last seen: Sep 13, 2025
It sounds like you pay more attention to the consequences of a sizing and think more about the design options than most of the muppets I encountered t...
Your comments on insulation are well taken and fair, My comments, as I have said from time to time, relate to retrofits not new build. Older retrof...
You mean like happens with the current method! Actually in my case the next owner will almost certainly demolish the house but... its a fair arg...
Well I agree of course, Im hoping @heacol (or someone else from the industry) will comment!
That sounds like a result to me!
Since we are talking about assumptions here, can I carry across the essence of the discussion going on in another thread which is - why don't we use m...
Looks interesting, what are the axes as it looks like consumption goes up as temperature goes up, IE the wrong way round.
With your 3kW house (lucky you!) its not surprising that solar gain has a major effect, but then nor does it matter too much if you oversize the heat ...
I am. The assumptions were based on what you had said, were reasonable based on the limited information, and were necessary to explain the measured r...
Yes, Yes, Yes. MCS admit that the current method is not entirely satisfactory, I have it in an email. But they say they 'dont have an alternative'....
resistance is useless!
Three reasons I suspect: 1. I presume that the calculation assumes a room temp of 20/21 not 18.6. That does make a difference 2. Calculated heat ...
Latest Posts
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@jamespa thanks, I appreciate the offer. For n...
By DREI , 41 minutes ago
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RE: Help me keep the faith with my air source heat pump installation
When I tried to balance my rads I ended up causing an a...
By Grantmethestrength , 2 hours ago
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RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
@transparent what I don't understand about these "rogue...
By Scalextrix , 4 hours ago
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RE: Who’s Caved and Switched the Heating On Already?
I have 3 women in the house, 2 little ones, so my heati...
By DREI , 6 hours ago
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@damon thanks. I will do as you suggest. Hopefully I wi...
By bontwoody , 6 hours ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
Much of that is true in principle, but its not likely t...
By JamesPa , 1 day ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@dgclimatecontrol I attach the responses from 2 potenti...
By pash44pump , 1 day ago
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RE: Midea ASHP – how to set weather compensation
Mostly, I think, but with some caveats. I set the TI...
By cathodeRay , 1 day ago
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RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
By JamesPa , 2 days ago
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RE: Failing heat pump system - seeking thoughts on a rebuild
I realise im overdue an update on my situation. first...
By Cleardene-ashp , 2 days ago
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RE: Replacing Worcester oil boiler with an ASHP
@toodles thanks. I was told by the engineer that this h...
By JulianC , 2 days ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
A week later, I'm finally picking up this comment... ...
By Transparent , 2 days ago
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RE: COP is not the only measure of efficiency
We keep all our TRVs fully open using the whole house a...
By Old_Scientist , 3 days ago
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RE: Havenwise App Help & Forum Support – Get the Most from Your Heat Pump
I am pleased to say at 4pm today we have added another ...
By ASHP-BOBBA , 3 days ago
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RE: Renewables & Heat Pumps in the News
To unpack this a little.... 1) how many of us in this...
By Lucia , 4 days ago
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RE: Vaillant aroTherm Plus 10kW thoughts?
@realevil the fans and fan speed / coil size (height, w...
By ASHP-BOBBA , 4 days ago
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.
@morgan this can just be done by your sepecilist when t...
By ASHP-BOBBA , 4 days ago
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RE: Anyone still weathering it out with Agile?
@toodles I guess it all comes down to import averages. ...
By Tim441 , 4 days ago
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RE: 300 Liter Tank - Do I have to heat it all?
The size of DHW tank affects the anti-legionella cycle....
By Transparent , 4 days ago
