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Last seen: Nov 3, 2025
@jennyross not much point this time of year anyway. It'll do nothing for the next 3-4 months
@chickenbig my upstairs is microbore and I have no issues. The person who told you that is full of crap.
@enc to answer your questions Most ASHP have a minimum flow temperature - just keep going down and eventually it'll stop letting you adjust. Its p...
@enc you've got a couple of options. You can lower the temps, or push out the lower boundary e.g. from -3 to -5. You're then just lengthening the slop...
@transparent these guys had a fun DIY crack at a low head turbine.
@enc it depends on your settings. What you should find is that the house is warmer, but you use less power. It takes less energy to heat to 40 degrees...
@cathoderay this is my W/m2 for the house - if that helps you could compare it to your own given you can easily work out (if you dont already know) th...
@cathoderay for comparison of systems I personally prefer the W/m2 measurement. As that removes the size factor and gives you a standardised way of co...
@cathoderay I'm not sure what "R" is. But it's just a Google sheet. You can see it in my signature if you want to make your own copy and fill in your ...
@cathoderay well they told me I could take it out. So hey ho. If I ever had a big problem it's got ball valves in place, I can just pop the whole thin...
@cathoderay to be fair, I was pretty ignorant lol. It's only through self learning that I understand. I imagine most consumers wouldn't bother to unde...
@cathoderay in that graph the Y axis is power used. Below the line is better. Once I have more data I'll also plot a trend line
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Degrees of Separation
Latest Posts
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RE: How Accurate Is My DIY Heat Loss Calculation?
@editor Thanks Mars, I have been enjoying playing with ...
By kilgorexv , 4 hours ago
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New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
I am feeling baffled and worried:We are having a an Aro...
By GutoFfowc , 6 hours ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 9 hours ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 9 hours ago
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RE: Questions about A2A for heating as well as cooling
@donciccio I would suggest that you take a "fabric-fi...
By Rob of York , 10 hours ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 1 day ago
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 2 days 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 days 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 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 3 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 3 days 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 , 3 days 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 , 6 days ago
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