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Last seen: Mar 3, 2026
No, the pipe sizing is very adequate, 15mm to rads and 22mm primary for each floor in the building. None of it needs changing from a sizing perspecti...
@toodles to be clear I don't know if there will be a requirement, I was trying to find that out.
@toodles thanks, that's useful information about Homely. What Im really asking is if there will be a requirement for new heat pumps to be compat...
@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...
Latest Posts
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
@jamespa the answer to your question is in our A2A podc...
By Mars , 12 minutes ago
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RE: Anyone concerned about GivEnergy?
The above is a screenshot of GivEnergy Software's lates...
By txmartyn , 26 minutes ago
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@colinc Knock-Knock…. err, excuse me Colin C but I beli...
By Toodles , 37 minutes ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
Interesting. Perhaps wait and see how things develop! ...
By JamesPa , 3 hours ago
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RE: Heat Pump Operation in Summer - Valliant 7kW
Yup! Summer in Spring. Wonder if Summer will last unt...
By Majordennisbloodnok , 4 hours ago
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RE: Solar Produced vs Home Consumed
It's worth adding that if you have a hot water tank and...
By JamesPa , 5 hours ago
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RE: Heat Pump Overpromising – What Were You Actually Told Before You Bought?
@editor Sorry Mars, I didn’t see a notification about ...
By Toodles , 6 hours ago
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RE: Hitachi Heat Pump being replaced with Vaillant
Yes to be configured as a volumiser. The pump is to be...
By trebor12345 , 6 hours ago
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RE: How many people are happy with their ASHP and do you believe them?
I agree, and not. Energy prices are a largely politica...
By JamesPa , 10 hours ago
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Yes, you will need to notify them even if the inverter ...
By Old_Scientist , 10 hours ago
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RE: Heat Pump Manufacturers Recommending Buffer Tanks
@tony-stolz, I think @jamespa has already covered the h...
By Mars , 23 hours ago
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@editor "The interesting bit is that many modern invert...
By Singlespeed , 1 day ago
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RE: Ecodan & MelCloud scheduling
With the prospect of warmer weather this week, I brough...
By downfield , 1 day ago
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RE: Help me keep the faith with my air source heat pump installation
My heating developed a really severe case of noise and ...
By JamesPa , 2 days ago
