Last seen: Feb 4, 2025
I don’t think it is a specific legal requirement- other than to be safe. And there is a risk. My point is to take a more balanced view of risks. See...
R290 could be a HP show stopper for me. Seems to me we need some acceptable risk mitigations in some circumstances, other than just moving the unit fu...
Thank you. PfB is one of my go-to guys but I hadn’t seen that. My situation is quite similar to the one described: visual intrusion and noise limits a...
Follow-up: it occurs to me that the difference between flow and return temperatures is potentially a good indicator of whether you have enough radiato...
Interesting, thank you. The marine diesel analogy was on my mind. At the other end is a F1 engine needing to be rebuilt after every race. You would th...
Thank you. I definitely plan a full flush. The pipework is 40 years old, but we have been here since 1988 and never had problems eg with balancing or ...
@judith that method is great isn’t it! Except I have about 6 different consumption based estimates using that approach going back to 2016. And two spo...
Thank you, my hunch is it is just old school plumbing as you suggest. The logic of a backup/auxiliary is that it is additional when required- not a ta...
@johnr thanks, great minds etc. if the backup ends up being used too much, by fallback is to add an air to air with three internal units in the key ro...
@jamespa also: I assume the fan radiator has a lower water volume? We are looking at a simple one zone, no TRVs, no buffer/volumiser system, so need e...
thanks both. I think that calculation gives a lower heat output by about 20% than the HG rule of thumb table I linked above. As he is the one guarante...
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RE: Commencing on an ASHP Installation Process
I think therein lies the problem. Ratio of quotes to i...
By JamesPa , 13 hours ago
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RE: Why Your MCS-Certified Installer Might Not Be As Competent As You Think
Hive and most other smart thermostats don't play well w...
By JamesPa , 16 hours ago
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RE: Enabling WiFi: Samsung ASHP on Smart Things App
Thanks for the input. I've been running various experim...
By Grahamh-uk , 16 hours ago
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RE: Radiators downstairs are cooler at the bottom after ASHP install
@melonbuffet Hi, this sounds great is you are getting 5...
By ASHP-BOBBA , 18 hours ago
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RE: 5 Star Service from Havenwise
... a mode of operation which increases losses due to p...
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RE: Ripped Off: How UK Homeowners Are Paying Gas Prices for Wind Energy
I believe there's another reason that network upgrades ...
By Transparent , 1 day ago
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RE: What’s the modern take on advised types of insulation?
@jeff I am sorry @jeff if I have misunderstood what you...
By Toodles , 2 days ago
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RE: Getting the best out of a heat pump - is Homely a possible answer?
@editor Cobbler’s Mantra that!
By Toodles , 2 days ago
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RE: Renewables & Heat Pumps in the News
Australia Blue, the first wind farm in Western Victoria...
By Morgan , 3 days ago
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RE: Flow rate discrepancy between ASHP and manifold
That's useful thanks, I hadn't seen that table before. ...
By AshRolls , 3 days ago
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In principle I agree, @johnmo, but with provisos. The...
By Majordennisbloodnok , 4 days ago
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RE: Heat pump installation and BUS Grant timings
@jamespa Thats how I understood it too. 🙂
By ASHP-BOBBA , 4 days ago
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RE: Antifreeze top up for my heat pump - is this a rip off?
@sallyl That sounds about right if they are re-filling ...
By Brendon Uys , 4 days ago
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I wouldn't be so sure about that. Heat pump designers ...
By JamesPa , 5 days ago
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RE: Jokes and fun posts about heat pumps and renewables
@toodles they're a rowdy bunch!
By Mars , 5 days ago
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RE: Home energy storage & battery register
@jamespa To a certain extent, by exporting to the grid ...
By Toodles , 6 days ago
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RE: Forum updates, announcements & issues
@editor Fairy Nuff Mars, I doubt that my ramblings woul...
By Toodles , 7 days ago
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RE: Confusion about heat pump sizing
We’ve published a deep dive into heat pump sizing, and ...
By Mars , 7 days ago
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We’ve published a deep dive into heat pump sizing, and ...
By Mars , 7 days ago