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Last seen: Feb 6, 2026
Hi @derek-m The Caldera one? Yes, I sort of tossed that one in, £12k is rather a lot. We are partially refurbishing our house, which is long and t...
Has anybody seriously considered installing a Sunamp heat battery? How about a Caldera system (though I don’t think these are available yet)?
@editor Thanks for this useful information, I wasn’t aware of this fuel. Regarding it’s green credentials, it appears to be derived from waste veget...
@editor I looked up some figures from our oil boiler spec. which might be useful for comparison. For the specified nozzle size, the oil usage rate i...
@derek-m Thats one of the things that I was thinking about, the amount of time the building is in use, presumably careful HP scheduling would help, ...
@mona Just some thoughts. It’s not clear to me what stage you are at in the process and how far along you have got. I’m just starting out looking ...
@mattengineer Did you progress this any further? Do you feel able to share the companies that you have contacted, experiences, etc? We are also ...
Hi @mona The following might be of some use as an initial guide, particularly the introductory bits, though it’s probably not aimed at the general p...
Would it be “Seasonal Auto Mode” in the installation menu? Seems to have upper and lower external temperatures and water heat flow temperatures, but a...
@bobbt9866 Sorry, I think that I may have caused more confusion. I was referring to my earlier post in which I was trying to support @anng and ref...
@bobbt9866 Thanks for providing the performance data, really useful. I did search for something like this before my earlier post, but couldn’t find ...
Not familiar with the FTC6, just trying to learn about the control systems, I’ll have to read the data sheet and more about weather compensation and a...
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Degrees of Separation
Latest Posts
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@jamespa Also this coming winter I am going to run my c...
By kilgorexv , 7 hours 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 , 11 hours 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 , 11 hours ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 19 hours ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 19 hours 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 , 21 hours 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 , 1 day 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 , 4 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 , 5 days ago
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RE: Is it the house or the equipment?
...which, I've found out, is pretty much impossible to ...
By Majordennisbloodnok , 5 days ago
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RE: Mitsubishi Ecodan FTC6 settings
The Mitsi remote thermostat should not be plugged into ...
By F1p , 5 days ago
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RE: PV and battery long payback - sense check query
@jamespa I was just commenting on the speed, not sug...
By Batpred , 6 days ago
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