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Last seen: Jun 27, 2025
Blimey, I hope you aren’t in any way involved with accounting, because your maths skills are shocking 🤣
@huwsy you should have looked at daikin for this system, their vrf technology is better suited to running different rooms at different temperatures.
Adam Chapman of heatgeek is based around Guildford, he should be able to advise on any local engineers who are competent.
using the look inside feature, that one appears to be GH’s first book…
Don’t pay them the balance, run them off the job, find someone else to fix this mess. They seem like proper cowboys these ones. You could find any...
Another option is to pay for @heacol to consult on the failings of this install, get him to write a fault report and get the installers to act on his ...
@parmstar you’ll end up having to pay for a decent gas boiler install and then claim the costs back through the small claims court, my prediction… not...
If you want to improve the efficiency you should remove any hydraulic separation between the ashp and the heating circuit, and make sure that all exte...
If the rads are oversized for the heat loss at the design temp of 50, and you’re running it at 55 and the target room temperature hasn’t been met then...
@parmstar I was thinking the backup immersion inside the ecodan (if they have them, I thought they did) You’re running it at 55 now then and the rad...
Mitsubishi won’t help you…. What was the design flow temperature for this retrofit? That’s the key. And yes, it will run continuously when it’s -6 o...
@oswiu 6.56kW continuous house usage for 14 days straight, at the backstop rate… 3kW into the heat pump and a 3kW backup immersion running too? Or...
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Latest Posts
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RE: How Accurate Is My DIY Heat Loss Calculation?
Any idea how efficient your gas boiler is? Is it a 50 y...
By Old_Scientist , 4 hours 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 , 16 hours ago
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 1 day ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 2 days ago
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RE: Who's your electricity provider and what's your tariff?
@chandykris Swings and Roundabouts, you win some…. ...
By Toodles , 2 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 2 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 2 days ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
There is scope for product development here. I for one...
By JamesPa , 2 days ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 3 days ago
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RE: The good, the bad and the not that great – my heat pump installation
@burtis, I’ve followed this thread pretty much from the...
By Mars , 6 days ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
First time poster here but I can share my experience as...
By SCH , 6 days ago
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RE: Is it the house or the equipment?
...which, I've found out, is pretty much impossible to ...
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