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Last seen: Aug 21, 2026
I estimated our usage on the following basis. The most challenging 6h window for us is 4-10pm as it coincides with cooking/meal time (electric oven,...
Agreed that Cosy works best for battery owners, and the savings do not always stack up well versus the battery costs over the 10 year warranty period ...
OK, so if it were a Tesla Powerwall I'd be presenting arguments to the DNO for the full 11.04kWh inverter rating for the battery, keeping the solar on...
We ran on Cosy last winter and we switched off during the peak (4-7pm) and set back over night as the house gets too hot if running constantly, even o...
Please can you clarify what you'd ideally like to achieve. Are you simply seeking to add a battery to your existing setup, or are you also seeking to ...
Correct, the G99 imposes separate limits for the size of the generating equipment (inverter size) and an export limitation. For example, you can apply...
I've noticed lots of love for them on YouTube too - I wonder if it's slightly opportunistic due to the backlash against Elon / Tesla. I think a lot of...
So you already have a 3.68kW inverter / solar install? Only a DNO application will tell you if you've missed the boat and what you are allowed., but...
Almost immediately after install, I had signed of rodent activity - chewed insulation on pipe runs in the loft. They seem to like foam pipe insulation...
We have a Tesla Powerwall 3, recently installed, so I maybe biased. With a Gateway, it will provide full home backup. A separate earth rod must be i...
Having bit the bullet and paid £250 for a service, our service engineer came today so I thought I'd report on the experience. We'd paid for the ASHP...
@heat-pump-newbie as I suspected. I measure/monitor my COP daily, so I think I'd notice pretty quickly unless it was a very slow prolonged leak where ...
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Latest Posts
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@old_scientist I’m thinking along the lines of a multis...
By Toodles , 4 hours ago
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Britain’s Heat Pump Shitshow is now available to pre-or...
By Mars , 6 hours ago
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RE: The good, the bad and the not that great – my heat pump installation
@burtis, I’ve followed this thread pretty much from the...
By Mars , 2 days ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
First time poster here but I can share my experience as...
By SCH , 2 days ago
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RE: Is it the house or the equipment?
...which, I've found out, is pretty much impossible to ...
By Majordennisbloodnok , 2 days ago
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RE: Mitsubishi Ecodan FTC6 settings
The Mitsi remote thermostat should not be plugged into ...
By F1p , 3 days ago
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RE: PV and battery long payback - sense check query
@jamespa I was just commenting on the speed, not sug...
By Batpred , 3 days ago
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Readers here please note that Derril Water and many oth...
By Transparent , 3 days ago
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RE: Advice on Vaillant Sensocomfort
Oops, I meant Sensocomfort (the UI to the controls)
By Batpred , 3 days ago
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RE: Heat Pump Training vs. Real-World Installation
Our instal was very much the opposite. White haired blo...
By Batpred , 3 days ago
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RE: Flushing system, cleaning and inhibitor
While skim reading a manual for our Vaillant HW tank, I...
By Batpred , 3 days ago
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RE: 'Chinese Diesel Heater' to heat the home .....
Old thread but I'm new to the forum so new to me. How...
By BlizzardGreen , 4 days ago
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