Last seen: Jul 20, 2025
A good start but Iβm glad I didnβt need to learn something. Perhaps my questions were ambiguous but. Got contradictory answers on room stats and the w...
Thanks @lucia I look forward to some technical facts as well as executive summaries. The foreign reports are not separate investigations just translat...
Our system starts cycling below ~8C and Iβve tried to tie that to output kW and lost interest. Our system is high volume plus a volumiser so it cycles...
Response sent yesterday
@morganr Hi, like you I did an awful lot of my own calculations to ensure I knew what was needed. So I appreciate how much time youβve put into it, we...
@scalextrix for our house 1950s detached the air leakage proportion was30% of the supposed total, using the default values. In fact with the measureme...
The usual problems are not including known insulation improvements or the defaults for air leakage. If you have an actual air loss measurement it ca...
@westkent sorry to hear that you were mis-advised, but sadly not surprised. If it were me I would want to move as a matter of principle and several of...
Certainly our Givenergy battery shows the same effect with the newest software. It is deliberately designed to reduce the rate of charge so it has a β...
@johnmo no external air supply, just the room air. We do have CO detectors and never had any alarms. But the measured flow on the MVHR system vent ...
We have a cassette style inset stove, much more efficient than an open fire, which is less than 5kW so doesnβt require any deliberate ventilation. It ...
@westkent assuming youβre still writing about the Vaillant/OVO 15p for heat pumps offer, I thought the offer was now βfullβ. If the topic has wander...
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Latest Posts
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RE: No-code, plug-and-play monitoring for your heat pump
The issue with the Grant is that you have to wire direc...
By Grantmethestrength , 2 hours ago
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RE: Is this just haze or something more?
I am not a scientist nor a meteorologist and I know the...
By Toodles , 2 hours ago
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RE: Benefits of an extra horizontal loop for GSHP
It will improve performance, but by how much depends on...
By Brendon Uys , 6 hours ago
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RE: The good, the bad and the not that great β my heat pump installation
Said I would pop back with a update. Only Mr Jesus h...
By Burtis , 20 hours ago
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RE: Buffers, hot water and cooling
Thats presumably heat pump DT, what about radiator DT a...
By JamesPa , 21 hours ago
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RE: Who's your electricity provider and what's your tariff?
@chandykris Exactly the same here. We now have 13.5kWh ...
By Old_Scientist , 1 day ago
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Compressor and Evaporator Stratification
I have had a few issues with my Hitachi spilt heatpump ...
By trebor12345 , 1 day ago
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RE: Wood burner with ASHP - direct air?
This depends on the size of your wood burner and size/t...
By Lucia , 2 days ago
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RE: Difficult positioning of air source heat pump
@rikiarn It's a not a buffer it's a volumiser which is ...
By Lucia , 2 days ago
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RE: Is your heat pump insured?
To make things clear, lots of insurance companies cover...
By Lucia , 2 days ago
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RE: Boxt Heat Pump Installation Experience
@adrian any updates since installation? How is it perfo...
By Ashfp , 2 days ago
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RE: Say hello and introduce yourself
Hi @seatonian - Yes, I know Seaton, and I have the Nat...
By Transparent , 3 days ago
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@seatonian got your email. Will connect you with a reco...
By Mars , 4 days ago
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@downfield and @toddles, this isnβt in the settings cur...
By Mars , 6 days ago
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RE: Homely launched for Grant Aerona ASHP control
I haven't bought the Aerona Smart Controller (Β£700!) bu...
By Prunus , 6 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 , 6 days ago
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RE: Compressor attempts start but fails - Nibe Fighter 2005 8kW
@skyefarmer amazing. Well done!
By Mars , 6 days ago
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RE: Air source heat pump roll call β what heat pump brand and model do you have?
Ebac 5kw - Monobloc R32. Developed and made in UK - Mit...
By marcinwloch69@gmail.com , 1 week 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 , 1 week 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 , 1 week ago