Last seen: Apr 24, 2025
Groundsource is usually a lot simpler - a lot of them are just simple on/off things just like an old fridge, controlled by relays and thermostats. Th...
@murchison2003 Our heatpump is tiny. It takes 1800W from the ground outside, using 600W of electricity. So that 1800W from outside over 200m (30m...
@derek-m It is gshp yes! 230m of pipe buried in the back garden, 800mm down. Had it for just over a year, all good so far:-)
@derek-m Cheers, I’ve obsessively been insulating for years, I need a new hobby! @kev-m It’s actually LWT-Tgroundwater. Not that it makes a h...
Our heatpump has been going for 13 months, used 1580kWh of electricity, and produced 5803kWh of heat. Most of that is heating the (4 bed 1963 build) ...
I started by cable tying temp sensors to pipes, and wrapping with loads of insulation, re-wrapping, getting a different answer... There is no doubt i...
In my experience, the temperature is much harder to monitor accurately enough than the flow rate. We need two sensors well connected to the flow and ...
@iancalderbank The flowmeters I use are cheapie £8 things that look like this from Amazon, which claims 2%. I have two, one on the house circuit m...
@derek-m The sensors are tsic506f, and they connect up to an mbed(old micro type I’m used to) that I programmed with a free Arm account. There’s a...
I used a couple of 0.1C accurate temperature sensors for flow and return - they’re pushed into thin copper tubes which are thoroughly soldered to the ...
We changed the glass in our circa 1990 uPVC windows 11 years ago. The double glazing units that were in were the standard of the time: 4mm glass/16mm...
@mattengineer It follows the load quite well. If the Indra box is "on", then the smart meter tends to read between -50W and +50W, except in the ch...
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Latest Posts
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RE: Getting the best out of a heat pump - is Homely a possible answer?
@benson Rain will always have its’ wicked way into anyt...
By Toodles , 18 hours ago
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RE: Home energy storage & battery register
Tesla Powerwall 3 with Gateway.
By Broadsman , 22 hours ago
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RE: All your heat pump problems solved by -- a plate heat exchanger in a plinth!
@allyfish As you say, all the ‘plus points’ and ‘advant...
By Toodles , 2 days ago
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RE: Say hello and introduce yourself
I think my trouble is that I could easily write a whole...
By Transparent , 2 days ago
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RE: Renewable Heating Hub Homeowners' Q&A Podcast
In our latest episode, we hand the mic to four homeowne...
By Mars , 3 days ago
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RE: Forum updates, announcements & issues
@andrewj I’m currently away and only back this weekend....
By Mars , 3 days ago
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RE: Help Stop the MCS Heat Pump Monopoly
Response sent. Thank you for highlighting the document...
By Sheriff Fatman , 4 days ago
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RE: I worry I've messed my Samsung settings up somehow
Yes , this time of year . Unfortuneately I dont have ...
By Alfapat , 4 days ago
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RE: Feasible solutions to expand existing Sunsynk battery capacity
Ours is a loft installation, which is where both invert...
By Sheriff Fatman , 4 days ago
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RE: 5 Star Service from Havenwise
@sheriff-fatman Exactly this is why a lot of our users ...
By HCas , 5 days ago
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RE: Solar Thermal DHW and ASHP
I'm beginning to think solar thermal is something that ...
By Alex_N , 5 days ago
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RE: Commencing on an ASHP Installation Process
I received the BUS Grant permission email yesterday eve...
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RE: Solar Power Output – Let’s Compare Generation Figures
510kWh of solar PV from my 4kW Hyundai panels and SMA S...
By JulianC , 7 days ago
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RE: Is my Samsung heat pump working too well?
Thats in itself is interesting. I have a Vaillant heat...
By JamesPa , 7 days ago
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RE: Jokes and fun posts about heat pumps and renewables
@transparent Not a swell season then ☹️
By Toodles , 7 days ago
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RE: Air Changes per Hour - ACH and the MCS requirement
update - my old installer insisted on a heat loss of 11...
By MatWin , 1 week ago
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I agree it's not very helpful. Generally, the max heat ...
By Old_Scientist , 1 week 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...
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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 , 1 week ago