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Last seen: Aug 16, 2026
@johnmo Yes by COP I was really envisaging a stable COP rather than more instantaneous peaking. Ive noticed that overall COP is high on my heat pump w...
@old_scientist I agree entirely and much of the improvement I have been able to make on my system has been driven by good COP monitoring When I...
@majordennisbloodnok "I'm not entirely convinced by either metric. If cost is one's overriding concern - and for most people it will be - the only...
@johnmo You can also get the grant on health reasons. A friend of mine is immuno-suppressed and bought a wreck of a house (low EPC) so is eligible.
@mike-patrick Actually Mike, my BMW i3 is lighter than an equivalent ICE car, much to my friends annoyance when he was trying make a point about EV we...
@johnmo I just realised you are going to be doing something similar to what I did, in hooking up a heat meter to my existing emonpi. Getting the two t...
The Samsung Gen 6 supports Pulse Width Modulation control of pump speed if you have a pump that supports it, so it sets the speed that is most appropr...
@old_scientist The samsung Gen 6 can use modbus to communicate but it needs an additional PCB in the outside unit. I believe Homely uses the same card...
Nice to see an installer being honest and open as to the potential pitfalls that can befall an installation. I would certainly recommend you to a fr...
@lucia Hi Lucia. I’m trying to remember what I did but there is no modbus connection on my Samsung HP as I didn’t buy the necessary card. I think all ...
@editor the initial emonpi installation was very easy just clipping a few CT clamps so I’d give it a 9. Because I chose to do a cheaper install with t...
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Degrees of Separation
Latest Posts
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Not a problem; that’s why I left it as it was. The pers...
By Majordennisbloodnok , 42 minutes ago
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RE: To re-pipe or not to re-pipe? Moving from oil boiler to air source heat pump.
@penval, really useful update. After all the discussion...
By Mars , 10 hours ago
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RE: Who's your electricity provider and what's your tariff?
@papahuhu I prefer to look at it simplistically. We d...
By Old_Scientist , 1 day ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
D'oh - of course. I shouldn't post before my brain is f...
By Old_Scientist , 2 days ago
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RE: Questions about A2A for heating as well as cooling
@rob-of-york I would concur with the underfloor insulat...
By Toodles , 2 days ago
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RE: New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
Nothing attached! I have rads but UFH makes the case ...
By JamesPa , 2 days ago
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 2 days 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 , 2 days ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 2 days 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 , 3 days 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 , 4 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 , 4 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 5 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 , 5 days ago
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