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Last seen: Jan 8, 2025
The rest is fair enough but not the bit in bold thanks. I don't want my tax money paying for someone's air conditioning unit that's never used for he...
IMO the idea you need to keep the ASHP running as long as possible at really low LWTs may not be the best approach. At 30 deg LWT and a delta T of 5,...
@jamespipe I went from storage heaters to ASHP. My energy costs are one third of what they were. My EPC still has storage heaters listed as the m...
@cathoderay, not all original but these are my thoughts on your conundrum. your ASHP runs 24/7; your oil CH didn't your house was colder with oil ...
There are some small scale experiments. Heating homes directly with H2, green or otherwise isn't currently viable. The infrastructure isn't suitable...
There are some small scale experiments. Heating homes directly with H2, green or otherwise isn't currently viable. The infrastructure isn't suitable...
@jamespipe I have never seen any such study but I would think the localised effect would be immeasurably small. If you think about it, all renewable...
Fantasy for now.
The FTC6 manual suggests 14-32 l/min as the acceptable range so 32 would be right at the upper end. My 14kW Ecodan is running at about 24l/min, also ...
@editor, There may be a lower cut off for flow temp built in. From what I've seen with Ecodans it's hard to get them to run at very low flows; your...
@sunandair I use the standard Ecodan MMSP package like this. I then grab the csv file Melcloud produces into Python as and when I like to produ...
@theallan, another thing to check is whether the heat meter is configured for glycol. A glycol mix has less heat energy than pure H20. My heat met...
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Degrees of Separation
Latest Posts
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Hi, sorry that I have been absent for a while. I'd like...
By baroquebank , 2 hours 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 , 6 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 , 1 day 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 , 1 day 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 , 1 day ago
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 1 day 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 , 3 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 , 4 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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