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Last seen: Jan 28, 2026
Oh the installed needs to go somewhere, that's for sure! But unfortunately with them contracted by the builder/the BUS etc I've still got som...
Sorry I didn't explain the situation fully, the agreement was the work would be done with the installers agreement and no warranty void, as they've wo...
I think over the 2 years a lot of pump speeds either side have been experimented, in aim to get solid delta and less distortion, never worked as too m...
So again am in midst of lunacy it seems. Tested system with an inflated W/C of 3.5-4C higher than the installers design. Rooms got to temp (was slo...
So this morning marked 24 hours up for installer. Rooms weren't to temp as I expected. I instructed builder that I no longer wanted the installers o...
Thanks James, its honestly hard to keep it together, especially as we’ve slipped into a cold spell. It would have been great to check a fix w...
Oh I know, am just raging, apologies. 2 years has worn me to the bone. However, the temps were measured across the old LLH by the specialist (and s...
Yeah, no idea why he thinks 12L/min is ok. He even showed me it running to 28L-30L/min yesterday. Going round the houses on this stuff. Irony is ...
So here we are, brand new Grant ASHP installed… It's ran over night, panels calibrated. Am not seeing much promise from it, and I'm not surprised. ...
And the saga continues… So today a Senior Grant Engineer attended site… Context: Situation at start of day, Grant ASHP is in P1 error m...
Lol. I know they CAN be calibrated, it’s just unclear why the installer chose not to or completely acts like you can’t. Can’t believe I’m s...
I’ve purchased another type of temperature monitor as I wanted to reconfirm that the Heatmiser panels are showing temps that read too high....
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Degrees of Separation
Latest Posts
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RE: Glass lined Cylinder for private water supply
This has turned into a fascinating little rabbit hole. ...
By Mars , 4 hours ago
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RE: Adventures in heat loss calculations
yes and no. apparently HG’s AI was automatically assumi...
By Batpred , 4 hours ago
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RE: Switch suitable to change between two inverter CT's
Last winter my battery ,32KWh, could run the house com...
By Jancold , 4 hours ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
@rob-of-york Thank you for that, whilst familiar with t...
By kilgorexv , 4 hours ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Agree with Major. And even if I was very happy with ...
By Batpred , 5 hours ago
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RE: Is the "divide by 2900" rule still valid?
There is another estimator that you could use, a formul...
By Rob of York , 8 hours ago
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RE: To re-pipe or not to re-pipe? Moving from oil boiler to air source heat pump.
@penval, really useful update. After all the discussion...
By Mars , 3 days ago
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RE: Who's your electricity provider and what's your tariff?
@papahuhu I prefer to look at it simplistically. We d...
By Old_Scientist , 3 days ago
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RE: Questions about A2A for heating as well as cooling
@rob-of-york I would concur with the underfloor insulat...
By Toodles , 4 days ago
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RE: New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
Nothing attached! I have rads but UFH makes the case ...
By JamesPa , 4 days ago
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 4 days ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 4 days ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 4 days ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 5 days ago
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