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Last seen: May 31, 2026
If you get windows replaced, then I think it's well worth getting low U value units in whatever the frames are. It's not simply 3G is better than 2G;...
As I understand it, if a slowly rising common mode DC is passed through the AC only type of RCDs then it will saturate the core in it, and then it can...
We have two car chargers with different plugs🙄 - a 32A one and a 10A one. The larger one is fed with 6mm2 cable from its own tiny CU (looks j...
I’ve seen our mains voltage very high on occasion, but I’ve never known anything happen due to it. We get 253V on a sunny day here - I looked in the ...
There’s no definitive magic deltaT for a heatpump, just pragmatic ‘generally optimum’. If you put more power into the water pump, the deltaT will redu...
That 2.5% cost increase every degC corresponds to my home-made graph pretty accurately. I was confused by the graph above at first, but then I unders...
Technically I could perhaps be called a heat pump designer, having designed and built the one gshp system that has heated our home for 3 years. It’s ...
Why do panels get damaged if not connected? When they are normally in the sun, they get 800W/m^2 evenly distributed, and they warm up everywhere. S...
In the solar panels. On a nice sunny day, a square metre of panels would get 1kW from the sun. Of this we might expect 200W of electical power if...
We had our gas meter removed too by Octopus, for free. It took the guy 20 minutes to do - he turned off the incoming gas lever in our cabinet, remove...
I notice on a pic on page 2 what looks like heatpump gubbins (buffer, tank, pump, pipes) in a cold ventilated loft? How much insulation is there in ...
As the boiler is just on/off at a given running temp, can you drop the temp down to the lowest acceptable, leaving it on most of the day (18hours+)? ...
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Degrees of Separation
Latest Posts
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Tragically i was a little bored and under the weather a...
By kilgorexv , 1 hour ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 2 hours ago
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RE: Who's your electricity provider and what's your tariff?
@chandykris Swings and Roundabouts, you win some…. ...
By Toodles , 2 hours ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 10 hours ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 11 hours ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
There is scope for product development here. I for one...
By JamesPa , 13 hours ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 1 day 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 , 4 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 , 4 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 , 4 days ago
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RE: Mitsubishi Ecodan FTC6 settings
The Mitsi remote thermostat should not be plugged into ...
By F1p , 5 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 , 5 days ago
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