Last seen: Jan 8, 2025
@sunandair I have MMSP so my COP calculation uses the heat meter and consumption meters that came with that. For a standard Ecodan or other ASHP I do...
@Dave, I suspect your flow and return temps are not accurate. I doubt 36 degrees with radiators would heat your house in the current weather. Are ...
Hi Ewan and welcome. I'm sure you know more than you think! Please feel free to contribute and/or start your own thread if you have a specific quest...
Hi Andy and welcome to the forum. It's hard to say whether that curve is right without knowing more about your system and house. Have you had a proper...
Good luck !!
Based on your heat loss, it's very unlikely that 39kWh would keep your house warm for 24 hours. From your numbers, I think it'd be more in the 80-100...
thanks and noted for future reference! This Youtube video may be of help.
Give them a chance. I think some of the specialist ASHP installers are terrified the likes of Octopus and BG will undercut them. Race to the bottom?...
@DaveW, Your ASHP is cycling every hour or so but that (IMO) is fine and won't in itself cause a significant drop in efficiency. But your delta T l...
1580kWh is an impressively low amount of energy used. There are people who use that much in a month!
or LWT-ambient?
It does look like the heating is working because the room temp goes up.
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Think I just replied without content! Interesting thi...
By dgclimatecontrol , 50 minutes ago
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RE: Electricity price predictions
Unfortunate that OFGEM increased prices again from Octo...
By Scalextrix , 2 hours ago
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RE: Ecodan & MelCloud scheduling
Yes, the 2 are separate. To add to the complex desig...
By HCas , 22 hours ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
I think there may be a little confusion in the wording ...
By Old_Scientist , 1 day ago
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I should clarify that the FoxESS web interface is not l...
By Old_Scientist , 1 day ago
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
Previous was vented and I needed a shower pump and a ve...
By JamesPa , 1 day ago
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RE: Mitsu Wireless Controller and MelCloud
@robs Hi Rob, At the end of a note to Mitsu UK, thank...
By DavidAlgarve , 2 days ago
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RE: Why so many sigenergi installer recommendations?
@adamk Tesla is a great option, it’s also one we instal...
By SAEnergy , 2 days ago
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RE: Rodents! A word of warning for heat pump owners
Hradline in Telegraph: Brace for plague of rats after s...
By Tim441 , 3 days ago
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RE: Flexi-Orb Heat Pump Scheme: A Game-Changer for the UK's Heat Pump Industry
As a potential heat pump customer, it would be good to ...
By Temperature_Gradient , 3 days ago
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RE: Octopus replacing the fixed 15p/kWh export rate with a market tracking one
@trbob I have just extracted the details for Agile Expo...
By Toodles , 3 days ago
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RE: Heat Pump Books For Beginners – Bodge Buster & From Zero To Heat Pump Hero
The Ultimate Guide to Heat Pumps is less than a month a...
By Mars , 3 days ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
@editor Hi Mars, We have just installed a Grant Aerona...
By GrahamF , 4 days ago
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RE: Sanity check please. Battery storage and inverter sizing.
There are MCS guidelines about how close to the edge/ri...
By Old_Scientist , 4 days ago
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RE: Balancing financial efficiency and comfort using the Octopus Cosy tariff
I estimated our usage on the following basis. The mos...
By Old_Scientist , 4 days ago
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@editor Something changed in this last 12 months, they ...
By ASHP-BOBBA , 5 days ago
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RE: Does anyone have experience of a smart water meter?
Just to give a sense of scale, I've used the CCW water ...
By Majordennisbloodnok , 6 days ago
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RE: Powerwall 3 or Myenergi or something else?
We have a Tesla Powerwall 3, recently installed, so I m...
By Old_Scientist , 1 week ago
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RE: Mitsubishi PAR-WT60R-E Wireless Controller installation
@morgan They have been paired once but it was thought b...
By DavidAlgarve , 1 week ago
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RE: Isolating the system for a planned power cut
A great many ground-mounted local substation transforme...
By Transparent , 1 week ago