Last seen: Jun 20, 2025
@jamespa thanks for the reply, so really in this case we have to reduce the flow to the radiator to achieve it. In my specific case the oversize rad...
The current boiler has a single 22mm pipe, but as you suggest that splits into a 22mm feed for upstairs and a 22mm feed for downstairs. That split oc...
Exactly, they said 8kW for us, I need to try and see if that's legit. I think it probably is, but it's getting that emitted into the places we need i...
This is exactly why I'm trying to do a real world test simulation. Our 1960s house has construction of different types in different places and it's i...
Yeah, this isn't roof or wall insulation, bit hard to explain. Imagine the joists that separate the ground floor ceiling from the upper storey floor, ...
Yeah I tried running 24/7 last year and it was very expensive, seemed to use a lot more gas, probably because we have no weather compared, causing sho...
It was installed 18 years ago, plumber just used his thumb-ruler, not calculations. Though back then the house had draughts under doors, poor windows...
@johnmo understand, but I don't have a heat pump yet or weather compensation, all I can do is hard set flow rate to 50C. If there is a better way to...
@cathoderay in fact I think most of our current radiators are oversized for 70C flow. Most of the house was actually acceptable last winter at 50C flo...
@johnmo we could but I think they look a bit ugly
Latest Posts
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RE: Surface mount or bury primaries for heat pump installation?
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RE: Vaillant AroTherm Plus 7kW
@scalextrix if your under unit heater is like our Myson...
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RE: Getting the best out of a heat pump - is Homely a possible answer?
@cathoderay how did you get a script to run for that- d...
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RE: Renewable Heating Hub Homeowners' Q&A Podcast
@ashp-bobba thank you, and equally so, thank you for ta...
By Mars , 2 days ago
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@judith good to know… I’ll continue to feed Wattson, an...
By Mars , 2 days ago
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RE: My misgivings about installing ASHP and solar panels via the ECO4 scheme...
@editor great article re accreditation. I note ISO/IEC ...
By Bart , 3 days ago
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RE: Renewables & Heat Pumps in the News
Here’s a little more technical detail/p>
By Judith , 3 days ago
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RE: Who's your electricity provider and what's your tariff?
I don't (yet), but my PW3 is due to be installed shortl...
By Old_Scientist , 3 days ago
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RE: MCS and NAPIT complaints process
@chrislay, is your heat pump complaint still unresolved...
By Mars , 4 days ago
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RE: ASHP Install from hell - help please
@saf1973 I’ve been going through old cases on the forum...
By Mars , 4 days ago
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RE: RDSAP10 effect on existing heat pump EPC rating?
@aaron There's the rub, the database does not list my ...
By AF1 , 4 days ago
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RE: Commencing on an ASHP Installation Process
Yes, it's "doable" if everything goes to plan, they arr...
By Old_Scientist , 5 days ago
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RE: How not to install a heat pump
You are right. Thinking on this has evolved over the p...
By JamesPa , 6 days ago
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RE: DHW SET UP with Samsung gen 5
Thats good news indeed, you are very likely almost ther...
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RE: Plate heat exchanger considerations
As far as I can tell my vented system would have a peak...
By Scalextrix , 6 days ago
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RE: Air Changes per Hour - ACH and the MCS requirement
There have been a few discussions dotted around (e.g. I...
By Declan90 , 6 days ago
