Last seen: Sep 13, 2025
I have three CT monitors on my solar output via the microinvertor controller, the Battery Management System (using a mid-approved meter) and my EV ch...
Similar systems are readily available online in the UK at the 'usual' places. They are (allegedly) G98 approved and are grid-tied, so don't generate m...
Thanks. That explains the strangely-shaped 'feet' (looking at the finned emitter on page 6). We used to have a Smiths Eco-Powerad in our kitchen be...
@downfield Are the fan assemblies incorporated into the main casing or are they a visible 'bolt-on' assembly at the bottom? This isn't clear from th...
@jamespa Thanks. Yes; I'd seen it. To be honest, it's an option I had not considered as I was under the impression that fitting of a pump to the inco...
I agree. I have my own doubts about the veracity of the data @transparent provided for my local substation. I wonder where we'd be without the level...
6kWp installation (installed last year, so no historical comparisons): November 2024 - 160kWh December 2024 - 95.7kWh January 2025 - 17...
@jamespa I'm not suggesting retaining an existing cyclinder. Replacing with a new cylinder, but venting is preferable to adding a PHE and extra pump,...
@old_scientist I am similarly frustrated. I am in a different situation in that my property is furthest from my local substation so my inverters will ...
@morgan Why not? There’s hydraulic separation between the ASHP flow and the domestic hot water.
@somerpark Mains water pressure isn’t necessarily high pressure. Minimum service level is around 1 bar. It may not be the case that there is a large p...
Surely you could keep a vented DHW cylinder and existing cold water tanks. Also, why can't the ASHP primaries have a header tank like my gas central ...
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RE: Boxt Heat Pump Installation Experience
By Andrew J H , 5 hours ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@andrewj Certainly mine cycles alot below 36C, it seems...
By swwils , 6 hours ago
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RE: Commencing on an ASHP Installation Process
Prior to doing any further updates on this thread, it's...
By Sheriff Fatman , 6 hours ago
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@f1p hi I've ordered the dongle, it's been shipped ...
By @sand , 7 hours ago
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RE: Maintaining temperature on windy day
@jamespa — now that you have done some add on apology, ...
By cathodeRay , 9 hours ago
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RE: Don’t Install a Heat Pump Until You Read This
I feel for you. I have never done a major 'build' per...
By JamesPa , 10 hours ago
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RE: Extend the colder range of the weather compensation curve?
Not necessarily. Some heat pumps flatline at either en...
By JamesPa , 10 hours ago
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RE: Getting the best out of a heat pump - is Homely a possible answer?
OK - thanks @vanq What we're (jointly) about to say h...
By Transparent , 10 hours ago
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RE: Cashback Incentives That Reward Shorter Heat Pump Warranties
This is analogous to the PCP (personal contract purchas...
By Davesoa , 10 hours ago
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Threeway Diverter Valve question
I am looking at a few upgrades/fixes to my Grant Aerona...
By Grantmethestrength , 13 hours ago
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Thank you! I use plotly in python, with the data comi...
By cathodeRay , 15 hours ago
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RE: 10kw heat pump run in 24*7 data?
Vaillant are pretty good maintaining their ...
By JamesPa , 20 hours ago
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RE: Grant 13kW Aerona3 - issues getting zones to temp
So this morning marked 24 hours up for installer. Rooms...
By Crimson , 1 day ago
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RE: Buffer tank bypass on EDF Ideal heat pump installation
@kevb, many of these companies look for the smallest of...
By Mars , 1 day ago
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RE: Electricity price predictions
Simple article with a DENZ graph showing how gas which ...
By Jeff , 1 day ago
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RE: Heat Pump on Flat Roof Low Frequency Noise from Detached Neighbor
@davidnolan22 Yes have been communicating woth the neig...
By People_Noise , 1 day ago
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Power Cut - Heat Pump Evaporator Iced Up
We have just had a power cut and 1 hour later power was...
By trebor12345 , 1 day ago
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RE: Why Millions of UK Homes Struggle With Heat Pumps
A few weeks ago, I was having a discussion with someone...
By Majordennisbloodnok , 1 day ago
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RE: Help me keep the faith with my air source heat pump installation
@adamk Hi I see you posted on openenergymon...
By JamesPa , 2 days ago
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RE: British Gas vs Octopus Energy vs Heat Geek vs EDF vs Aira
@editor When do “Mars Heat Pump Installation and Servic...
By Toodles , 2 days ago


