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Last seen: May 15, 2026
@judith Yes I agree. They are extremely expensive. I suspect they sell very few of them, so they don’t have the economies of scale of standard rad...
@heacol this may be a silly question, but why would you need a second pump? The water pump in my Grant Aerona 290 15.5kW is happily pumping the wate...
@editor Yes, we all suffer from the Dunning-Kruger effect. It is so easy to think we understand something, when we don't - especially when it looks...
What an interesting and ambitious project. You certainly have built a big house - 650m2 is enormous! Here are some pointers: I wonder why you ...
@old_scientist 3. Some pipe work is always hidden, but some is always visible too. The pipes connected to the old boiler, water pu...
@editor I found this Wikipedia article on Noel Burch's Four Stages of Competence model. It appears that your installer may be stuck at the "Unc...
@jamespa I find this rather strange. We have had three gas boiler systems installed. I also know about my parents' and children's gas boiler systems...
@editor this is exciting! It will be great to hear how things go.
@editor your engineer's attitude is truly horrifying. I suspect he realises that he messed up, but can't bear to face up to it. Anyway, once The Ma...
@rob-nezard yes absolutely. Here is the link and a photo:
We are going for Stelrad Vertical Ultra radiators in two of our bathrooms. They are K2s with up to three rails attached to them. This means that you...
It is interesting to see what our new Grant Aerona 290 15.5 kW heat pump is up to. Here is a snapshot from the Econet web site for the last 24 hour...
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RE: Outdoor Battery Solutions?
Well, quite! Have you come across PAS 63100, availabl...
By Transparent , 4 minutes ago
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RE: Solar Yield vs Temperature.
@old_scientist Fair enough, that may be similar to t...
By Batpred , 4 minutes ago
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Could they not infuse the propane with the special perf...
By Batpred , 1 hour ago
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RE: Lower electric tariffs for heat pump users
I suspect that would not be a difficult decision, if I ...
By Batpred , 2 hours ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
The context of my comment is retrofit cost effective in...
By Batpred , 3 hours ago
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RE: Vehicle-to-Home with a Heat Pump: Is the Technology Ready and Which EV Should I Buy?
Absolutely. We are going through another period when ou...
By Batpred , 3 hours ago
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I am frequently annoyed to see that my Growatt inverter...
By DavidAlgarve , 4 hours ago
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RE: How many people are happy with their ASHP and do you believe them?
@deltona When we list the kit we use, it is meant to...
By Batpred , 5 hours ago
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RE: Home energy storage & battery register
* 2 x Solax Power Triple Power 5.8kW Lithium-ion Batter...
By weoleyric , 11 hours ago
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RE: Is Biomass Really Renewable?
Yes, it seems obvious they are not in it for the enviro...
By Batpred , 22 hours ago
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RE: Help me keep the faith with my air source heat pump installation
@jamespa maybe it wouldn’t damage the pipework but this...
By AdamK , 22 hours ago
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@l8again Perfect, it happens and they need to be able t...
By ASHP-BOBBA , 1 day ago
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RE: What is the Heat Geek Guarantee?
I have to say I found the Heat Geek website very user-f...
By Batpred , 1 day ago



