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Last seen: Aug 7, 2026
No it would not extend timescales significantly because there are already a number of stages in the process for getting a heat pump with time gaps bet...
Trouble with that approach is once the system is installed, finding all the defects can be much more difficult because some are hidden away and fixing...
Just be aware of the safety risks of doing this - there's a lot of energy in those cells and a short-circuit across a cell or multiple cells, for exam...
It strike's me that there's various improvements which could be made if there was the desire. 1. A picture is worth a thousand words - the installat...
I like the approach taken in some of the European countries - a household has a connection with a clearly defined, set capacity, which is known to the...
So on that topic, would there be a time and cost saving from using a refrigerant-split type heat-pump compared to a monoblock for some installs? Putti...
That's a reason to replace the existing cylinder to a new one with a bigger coil, but you can buy both vented and unvented cylinders with bigger coils...
Good topic - why are virtually all installers converting the plumbing and fitting unvented cylinders, even when there's existing plumbing for a vented...
@batpred The benefit of the split refrigerant units is that the pipework sizes to the outdoor unit are a lot smaller than the primary pipe to a mon...
I agree, and that's why I think the Dutch and the Italians have got it correct with their support for hybrid heat pumps - the old boiler fails, the ex...
There's a threshold at 3.6kW / 16A, below this follows one process G98 which is typically connect and then notify with this being permitted, above thi...
Is there anyone here on the forums with an Air-2-water heat pump using it for cooling purposes during the upcoming heat-wave?
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Degrees of Separation
Latest Posts
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RE: Siting of the external sensor on a heatpump
I agree. However I would also (primarily) expect that ...
By JamesPa , 4 hours ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
You should (almost) always reject having a buffer, by w...
By JamesPa , 7 hours ago
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RE: Navigating the World of Refrigerants In Heat Pumps: A Guide for Homeowners
Indeed we are invvestigating AC at present and are havi...
By Toodles , 11 hours ago
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RE: Is it the house or the equipment?
@majordennisbloodnok I do sympathise. On the original...
By springswood , 13 hours ago
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No, but the heat pump must be capable of delivering a S...
By JamesPa , 17 hours ago
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Sorry to hear about the problems, its going to be somet...
By JamesPa , 18 hours ago
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RE: Daikin ESPAltherma and Home Assistant installation
It's laziness lol The PV system is very chatty, meter...
By bobflux , 1 day ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
R (The R Project for Statistical Computing, I use it wi...
By cathodeRay , 1 day ago
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RE: Vaillant Arotherm Plus 7KW need a service on it
booked it with Vaillant. will use them until i can find...
By AdamK , 1 day ago
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RE: Adventures in heat loss calculations
I have seen it stated that the declared calorific value...
By JamesPa , 2 days ago
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RE: Two heating zones to one zone
@transparent Many thanks. The garage is fairly well ...
By Profzarkov , 2 days ago
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RE: Vaillant Aurotherm - Heater Wire Position
Ah, good point. I need to check if this was installed i...
By Batpred , 3 days ago
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@batpred thanks for getting a copy. Appreciate the supp...
By Mars , 3 days ago
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RE: Tell us about your Solar (PV) setup
We have a 6.56kW solar PV system (16x 410W panels) inst...
By Rob of York , 3 days ago
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