
Last seen: Jul 13, 2025
@alfapat So the EPC pretty much matches the heat calculation. By all means tweak and see it that helps. If it doesnt then try to look at any upgrade...
@cathoderay I think you should qualify this with Air to Water heat pumps. Air to Air are quite capable of rapid heating for short periods of time in a...
@goody Its unusual for a heat pump to be undersized under the MCS protocols, its usually vastly the opposite. Cant you just swap it out for a bigger o...
@zoomuno You dont have to run it 24/7. I dont. However if you really only use the heating very sparingly then I think perhaps and air to air heat pump...
@goody I can only assume you had a terrible install? My heat pump is much cheaper to run than the gas combi I had previously and my house isnt very we...
@alfapat So the problems you have are that your house has a large heat loss (Im assuming it is a big house), your system was designed to run at a h...
@alfapat so buffer tanks act as a big roundabout for the water. Flow comes in from the heat pump and back and water goes to the heating circuit and ba...
@alfapat OK. thanks for the information. It looks like your system was designed to run at 50C when at -4C outside. The yearly electricity use for s...
@alfapat Sorry, missed the (large) tank comment 🙂 OK if the original install was for 25 kW then the 16 kW alone probably isnt oversized, but it su...
@alfapat Thats the document! unfortunately I cant read it from the images, they are probably compressed for the forum. I will pm you my email address,...
@alfapat So you should have been given the heat loss calculation when you had the heat pump installed. It has to be done by the installer. I think t...
@johnnyb So here is a day where I was cycling although not frequently The interesting bits are just as the heat pumps starts up again. Flow temper...
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@seatonian got your email. Will connect you with a reco...
By Mars , 10 hours ago
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RE: Buffers, hot water and cooling
Some fair points... I've been doing some investigations...
By Prunus , 12 hours ago
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RE: Wood burner with ASHP - direct air?
I love the new fully Viking look... best personal avata...
By Mars , 21 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 , 2 days 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 , 3 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 , 3 days ago
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RE: Compressor attempts start but fails - Nibe Fighter 2005 8kW
@skyefarmer amazing. Well done!
By Mars , 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 , 5 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...
By JamesPa , 5 days ago
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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 , 6 days ago
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Hi all, I was wondering if anyone had an idea of how th...
By Wh0am3ye , 6 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 , 6 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 , 6 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