Last seen: Jan 14, 2025
@robl thanks. I think a lot of the discussion confuses the two DT's though. With the output power of the Rad coming from (((Flow+Return)/2)-Room) DT, ...
@robl thanks, but whilst that is an explanation for why lower flow temps are good for COP, it doesn't say anything about DT? by the logic of the comme...
@derek-m yes absolutely, I'm not unread on the subject, I've watched many of these videos, and I understand the physics. I have done detailed heat los...
@derek-m any specific pointers? I also want to avoid units that require proprietary room controllers - I need one with an open standard (230v or volt ...
@grahamh surely not "just maths" though? he's got an 18kw specced heat pump, but he can only get 10kw out of it if the pipework will only do 30l/min? ...
the cheat sheet on heat geek is a reasonable starter but its not too hard to actually do the maths. the equations are all public. For me this is all...
do these HT pumps implicitly work at a higher DT (return to flow DT that is) than the typical 5C that is talked about everywhere for heat pumps? if ye...
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RE: Wood burner with ASHP - direct air?
I love the new fully Viking look... best personal avata...
By Mars , 5 hours ago
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RE: No-code, plug-and-play monitoring for your heat pump
I think I have found “The One!” Waveshare ESP32-S3-POE-...
By Grantmethestrength , 20 hours ago
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RE: Buffers, hot water and cooling
@prunus, @jamespa is correct, but removing the buffer ...
By Brendon Uys , 1 day ago
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@downfield and @toddles, this isn’t in the settings cur...
By Mars , 2 days ago
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RE: Homely launched for Grant Aerona ASHP control
I haven't bought the Aerona Smart Controller (£700!) bu...
By Prunus , 2 days ago
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RE: Antifreeze top up for my heat pump - is this a rip off?
For the record, Grant supply ethylene glycol for their ...
By Prunus , 2 days ago
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RE: Compressor attempts start but fails - Nibe Fighter 2005 8kW
@skyefarmer amazing. Well done!
By Mars , 2 days ago
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RE: Say hello and introduce yourself
Hi @topher - you might be interested to see this very r...
By Transparent , 3 days ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Ebac 5kw - Monobloc R32. Developed and made in UK - Mit...
By marcinwloch69@gmail.com , 4 days ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
Just another thought - it might be worth thinking about...
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RE: BUS Grant: removal of all other fossil fuel heat sources
@rikiarn - just have a think as to how much it will cos...
By Transparent , 5 days ago
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Don't do much digging around.That's best left to the pr...
By Transparent , 5 days ago
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Hi all, I was wondering if anyone had an idea of how th...
By Wh0am3ye , 5 days ago
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RE: EBAC re-entering the ASHP market in 2023
@toodles confirm i have Ebac 5kw ASAP + homely and it w...
By marcinwloch69@gmail.com , 5 days ago
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RE: Compute heat loss from energy used
@jamespa Ebac must be similar to Mitsubishi as they buy...
By marcinwloch69@gmail.com , 5 days ago
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@pie_eater I have been thinking of adding cooling to my...
By TechnoGeek , 1 week ago
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RE: Victorian Semi Retrofit / Extension ASHP and UFH Advice
Agree, but you may have a hard time convincing them, as...
By JamesPa , 1 week ago
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RE: Seal the Deal: Don't Let Your Heat Pump Leak Energy
Hi - fyi - there's a dead image link in the 'Optimal In...
By seatonian , 1 week ago
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RE: Ripped Off: How UK Homeowners Are Paying Gas Prices for Wind Energy
@chandykris Horses and beggars…. 😉 Toodles.
By Toodles , 1 week ago
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RE: Cleaning up after gas meter removed
@agentgeorge Likewise in the loft space; we have 300mm ...
By Toodles , 1 week ago