Last seen: Sep 21, 2025
The Brave New World of local micro electrical grid management... not to mention globalised infrastructure. The President of China's ally Nort...
More like went out to lunch on it, m'thinks.
This is insane! What happens when it breaks down (because it will)? What happens when it gets hacked (because it will)? What happens when workin...
On the face of it, perhaps, but we do want the pump to take all the heat the heat pump is delivering. But 'set to max' is a bit opaque to say the leas...
A similar pattern happened again last night and into this morning, low overnight OAT, followed by rapid rise in OAT fooling the heat pump into thinkin...
That's actually not too bad, or, to put it another way, your heat pump can output enough heat to heat your DHW tank at an acceptable rate. The Freedom...
And total duration, as I can't see the time anywhere, to get from 20 to 45 degrees DHW tank temp? Agree the flow rate effectively remains constant. ...
This has been the focus of much interest. It is located somewhere in the outside box, but I have yet to discover exactly where. Nonetheless, it is not...
@jamespa - a very interesting analysis. I think the key thing is the duration of the cold spell, if long enough (more than a day?), in effect the hous...
@jamespa - I'll extract the November data, including the independent OAT sensor, probably later today, and send you a copy. November has been quite a ...
@burtis - we can see the flow rate stays much the same throughout, and the LWT/RWT rise (from 39/32 to 59/52, about what I would expect for a DHW rehe...
No you're not confused! There are actually two problems visible here: (1) heat pump can't quite cope during periods of low OATs (IAT falls and stays...
Latest Posts
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RE: Repiping and Reconfiguring our Heat Pump System Including Removing the Buffer Tank
The pumps on the Grants are beasts mine is on the lowes...
By Grantmethestrength , 16 minutes ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
I agree, the video lacks context and detail, and the Mi...
By cathodeRay , 5 hours ago
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RE: Powerwall 3 or Myenergi or something else?
@adamk what you need is enough battery size to cover 3 ...
By Judith , 5 hours ago
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RE: Say hello and introduce yourself
@jarlatheoin do put the MVHR in early it’s not an easy ...
By Judith , 5 hours ago
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RE: How to Zone with a Single Room with UFH
We have exactly what you describe, one utility room wit...
By Judith , 6 hours ago
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RE: Who's your electricity provider and what's your tariff?
@agentgeorge Come the Ist of October, the Cosy cheapest...
By Toodles , 7 hours ago
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RE: Boxt Heat Pump Installation Experience
@ashfp Mine does have a buffer tank. That was my experi...
By Andrew J H , 18 hours ago
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RE: Which temperature sensor for a Steibel buffer and Ecodan?
@ashp-bobba might be able to help as an Ecodan expert.
By Mars , 1 day ago
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RE: Help me keep the faith with my air source heat pump installation
I'm sure you are right, I was just trying to understand...
By JamesPa , 1 day ago
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RE: Preparing for 2nd winter in new build house.
Yuch! So that's basically just an on/off control. I...
By Transparent , 2 days ago
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Good day everyone. I'm new here and have a few question...
By Edin67 , 2 days ago
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RE: MCS certificate SCOP vs real-world performance
That may be contributing to lower than expected SCOP. ...
By JamesPa , 3 days 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 , 3 days 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 , 5 days ago
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@mixergy Thanks for the update, I would appreciate some...
By bontwoody , 5 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 , 5 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 , 5 days ago
