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Last seen: May 31, 2026
Our smart meter install with OVO went fine. It's a lot bigger than the old meter we had before, but there was space. I find it more awkward to read ...
Hi Pat! We have a tiny 2.5kW(thermal, 660W elec) gshp, 4kWp solar, MVHR, 150mm EWI, 30kWh V2G car, 200l DHW tank, 4 bed highly insulated retrofit ho...
I think that did use to be a thing, but it is fraught with difficulty. Mice getting in, mould, stagnent water pools. All of these can be tackled - g...
I think you can make a pretty good guess that any floors installed prior to 1991 will have no insulation. A bit of googling gave U values over time (...
Hard to imagine how a hybrid inverter would be ok here. Imagine you got an Octopus Go tariff, charged up the batteries at cheap rate. Then discharge...
@sunandair You’re right, re-reading I wish I’d said it differently. Comparative measurements will be good! Caring, looking at the data is a great th...
I’ve never heard of a heatpump with MID certification - that would mean a certified accuracy of measurements. You can certainly buy heatpump power me...
I think the compressor would not like to be turned on when it is too cold (hence they often have heaters). Conversely, in warmer weather it may overh...
@cowshed_rich I don't think it's an inverter model - this says not: Perhaps you're right, and it's a "marginal COP" thing due to the DHW t...
That does sound surprising! I expect that you're right - the backup heater is likely to be an inline immersion somewhere. How do you measure the ...
@catapult I’m pretty sure that black thing in your pic is a magnetic water trap. Strong magnets inside pick up bits of circulating rust flaking of...
An Electrician will be able to fit a meter to your gshp system, and I think it's the first step in understanding if it is functioning well. I underst...
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Latest Posts
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RE: Getting closer to a finished Haier system
Theres comprehensive instalation and service manuals (I...
By Singlespeed , 2 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
There is now a new Secretary of State for Energy Securi...
By Transparent , 2 hours ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Looks like an impressive bit of kit. Just ...
By Batpred , 3 hours ago
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RE: DIY Heat Pump Installations: Navigating Legal and Regulatory Hurdles
The idealist in me says pioneers in this space should b...
By Batpred , 3 hours ago
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RE: Renewable Heating Hub Homeowners' Q&A Podcast
@ashp-bobba, I thought it was an interesting parallel. ...
By Mars , 6 hours ago
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RE: Adding additional Solar Panels to a DC coupled battery system
@transparent No it was my baby, entirely delivered by m...
By bontwoody , 7 hours ago
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RE: How should the Boiler Upgrade Scheme be reformed?
Ah, that makes sense when a combi is in place. The boil...
By Batpred , 1 day ago
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RE: Replacing Storage Heaters with a Heat Pump in a Stone Cottage
@bobflux Thanks, that gives me something to check the i...
By Paul1098 , 1 day ago
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RE: Tesla Powerwall (2) Calibration Cycles
For Powerwall calibration, avoid forcing repeated deep ...
By EnergyStorageTech , 2 days ago
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Over the years, due to the non barrier PEX underfloor h...
By bobflux , 2 days ago
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RE: battery storage without solar
Indeed, current on the grid input = current used for ch...
By bobflux , 3 days ago
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RE: Who's your electricity provider and what's your tariff?
@papahuhu @papahuhu A lot of tears and sweat went into ...
By Andris , 3 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
We have the same problem, 12 mature trees clip the morn...
By Papahuhu , 4 days ago
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RE: Solis inverters S6-EH1P: pros and cons and battery options
I had a battery and inverter installed a while ago, my ...
By Batpred , 4 days ago
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RE: Is This Initial Free Quote From Octopus Trusted Partner Reasonable?
@ltron2 The EPC on our house is A-92, however that i...
By Rob of York , 4 days ago


