Last seen: Sep 18, 2025
Here's another cryptic bit of code for anyone to have a go at decrypting. It's from the Air Conditioning section of the code, but it is retrieving som...
Exactly. The whole heat pump installation thing is but a small boy pissing in the wind against a hurricane of fossil fuel boiler installations. Let's ...
This is pretty much a fact of life with ASHPs, a direct consequence of their efficiency declining as outside temperatures fall, this then being furthe...
I don't think so, not in the right ball park. The problem with monitoring the controller is a lot of the key variables are very volatile, though they ...
Thinking about it, how to get people to install heat pumps, the answer is probably not to bribe people to install heat pumps, but to make people want ...
Not wishing they will, just expecting they will, given the effect of the price war added onto the already generally rather too common poor standard of...
This page has a useful calculator at the bottom, and even caters for systems with added glycol as well as just water. In fact the whole page is rather...
@tomc - thanks very much for all this, very illuminating. Clearly you can fine tune the weather compensation curve according to time of day (and so ma...
A price war for heat pumps - what could possibly go wrong? Unleash the power of the market - what could possibly go wrong? We all know the answer - ...
I get the fact that Honeywell valves act as partial blockages and so throttle the system, but aren't they the standard fit item? Isn't this another ex...
@mike-h - I don't have anti-freeze valves, so don't know the answer. Maybe someone who does have them can answer.
@derek-m - I partially understand what you are getting at, some of it is beyond stuff I have done before, but I can always learn. Here's two adjacen...
Latest Posts
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RE: Testing new controls/monitoring for Midea Clone ASHP
Thanks, that might explain the when, and possibly the w...
By cathodeRay , 17 minutes ago
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RE: Big Changes Coming to Our Heat Pump System
We could I'm sure (mine for example, nothing special at...
By JamesPa , 43 minutes ago
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RE: Mitsu PAR-WT60R Wireless Controller - options
How it does it's job is something of a mystery although...
By Abernyte , 2 hours ago
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RE: MCS certificate SCOP vs real-world performance
MCS:3.65 Reported by Vaillant: 3.96 (heating only); 3....
By JamesPa , 4 hours ago
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RE: Powerwall 3 or Myenergi or something else?
Yes I was thinking of outdoor, IP65 batteries with buil...
By Temperature_Gradient , 6 hours ago
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RE: Help me keep the faith with my air source heat pump installation
Water pump will certainly make a hum (which could conce...
By JamesPa , 9 hours ago
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@jamespa Thanks. Yeah any adjustments Ive made at pr...
By cliffhanger , 9 hours ago
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RE: How to choose Towel Rails for an ASHP
@rob-nezard yes absolutely. Here is the link and a pho...
By GrahamF , 2 days ago
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@mixergy Thanks for the update, I would appreciate some...
By bontwoody , 2 days ago
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RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
Unfortunately I'm not that well connected 😂 ...
By Scalextrix , 2 days ago
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
It is interesting to see what our new Grant Aerona 290 ...
By GrahamF , 2 days ago
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RE: Midea ASHP – how to set weather compensation
I noticed that too and thought the same thing, but then...
By cathodeRay , 3 days ago
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RE: Ya can’t win! It is S*d’s Law!
@old_scientist If IOF is still running next late spring...
By Toodles , 3 days ago
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RE: Electricity price predictions
Those of you on Agile will do well tomorrow; there are ...
By Toodles , 3 days ago
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RE: Who’s Caved and Switched the Heating On Already?
We've been running our Ecodan system, installed in June...
By Sheriff Fatman , 3 days ago
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Ok. Two schools of thought. The first is to run the ...
By JamesPa , 4 days ago
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@drei Willing as I am to help, I don't think I'm yet ...
By JamesPa , 4 days ago
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Selling 5 year old ASHP & Gas Combi Boiler - £590
Selling a 5-year-old Daikin Altherma Hybrid Air Source ...
By Paul G , 4 days ago
