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Last seen: Jan 14, 2025
@z8lccda if you're already favouring PV for your roof space because of wanting to go electric car and batteries (a good plan - having PV optimises bot...
@cathoderay I believe you need to look at it differently : for a flow rate of 1.5m/H, the system (i.e. the pump plus the head loss due to the HP itsel...
@mphb thanks - do you have a link to the latest manual? also if the later pump is higher efficiency but still fixed speed its still the same conversat...
@cathoderay there's some good stuff in here as far as I can tell from reading that, its a fixed speed pump for the primary side, locate inside the o...
@cathoderay @derek-m so, I've changed horses with regard to the COP and performance aspects. Using homeassistant I'm now pushing everything that I g...
I think we probably do: Energy goes -ve several times. This was calculated using 30second DT x 30 second flow rate. There are times when the compr...
@cathoderay can we please just agree to disagree over HA? I was purely responding to @bontwoody query regarding future use of modbus and previous use...
@bontwoody I put in the samsung modbus on day 1. my objective is to be able to take control of LWT, once I've got the system where I want it - the mo...
@bontwoody - replying to your question on the article - its easier to reply in the forum. 28mm plastic pipe inserts have a bore of about 21mm - so...
@marzipan71 yep, also allows you to run the cylinder at a much higher temperature if you want without risk of scalding. for example if you have spare ...
@marzipan71 you want something like this (I have exactly this one on my cylinder output). typically when called a "tempering valve". these are de...
@davesoa they do all work nicely together. example: today, my powerwall charged to 100% from grid by 0530 (intelligent octopus end time). the heat p...
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Latest Posts
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RE: Indevolt Batteries UK Support & Info Thread
@dansus, I’ll have a proper look through the app tomorr...
By Mars , 9 minutes ago
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RE: 15kw pump for 225m2 1990's house - over kill?
@carpenterstation, can I ask how you arrived at the fig...
By Mars , 13 minutes ago
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RE: How much of your renewable and home setup would still work if the internet went down?
Ours is similar to James, but with a few optional tweak...
By Batpred , 43 minutes ago
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RE: Renewables & Heat Pumps in the News
Yes, this is a swiss and german standard I believe, Vai...
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RE: BT cuts you off, Plusnet blames Openreach... welcome to “seamless” broadband switching
My Vodafone FTTP broadband was down for a month when I ...
By JamesPa , 5 hours ago
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RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
@editor FWIW my problem was resolved, eventually, after...
By BigFish , 8 hours ago
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My heating has been off and DHW on throughout the summe...
By DavidAlgarve , 11 hours ago
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RE: Anyone concerned about GivEnergy?
The GivE forum seemed to have survived the collapse of ...
By downfield , 11 hours ago
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RE: How quickly would you want/expect heat recovery to take from setback?
@singlespeed I had better explain how my radiators are ...
By Toodles , 12 hours ago
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RE: Cooling/heating with one unit
@mrkfm The Solo has a small capacity and only suitable ...
By dgclimatecontrol , 12 hours ago
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First you need to know how much thermal energy you'll n...
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RE: Renewable Heating Hub Homeowners' Q&A Podcast
Come for the low-carbon homes. Stay for George Clarke’s...
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RE: How should the Boiler Upgrade Scheme be reformed?
Not quite, regular A2W heat-pumps need a load of extra ...
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RE: Heat Geek installations: share your experiences
one thing i learnt from reading people’s comments and e...
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
We have ‘signed on the dotted line’ today for a Panason...
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