Last seen: Jan 8, 2025
Mine loses about 0.6 degrees per hour so a bit less. Is your HW tank outside the house, e.g in the garage? That would make it lose a bit more than in...
@westkent I think you are suffering from the same problem described above; Melcloud over estimating consumed energy when the heating is off.
Am I misreading these graphs? It looks to me as if the overall COP is around 3 across the year, including the shoulder months. With HW being 40-50% ...
@tobydeh, - is it just the downstairs that is 180m2? From the plan it looks like the total is 360m2 or so. If so, your consumption and the ASHP si...
Looking at your numbers quickly I'd agree; about 50% oversized. These rads are enormous. The sizes you quote aren't quite standard but a 2m wide K3 ...
@Derek-m, if you look at the dip switch settings in 5.4 of the FTC6 manual, it says how to set the logic for the 3rd party thermostats. If these were...
@adam_colwell Have they ever worked? For 3rd party controllers to work with the Ecodan they need to be working and with good batteries, connected t...
@akius, the total energy usage in the MCS sheet is the amount of delivered energy your house needs for space heating and DHW. If @Tim441 is consum...
Hi and welcome to the forum. It's hard to equate test conditions performance to real life. Having said that things have moved on, and modern ASHP...
@Shep, having a booster isn't necessarily a problem as some ASHPs (e.g. some Daikin models) seem to come with one as standard. I would be more concer...
Not sure but somewhere there should be a design ambient temperature/flow temperature for the heat pump - something like 50 deg flow at -4 deg ambient....
Hi an welcome to the forum. I'm assuming you've had full heat loss calcs done and they support the spec of a 12kW ASHP. What's you outside temperatur...
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Latest Posts
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RE: Setback savings - fact or fiction?
The lower the DT the higher the flow rate. The lower ...
By BobTSkutter , 2 hours ago
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RE: Who's your electricity provider and what's your tariff?
I have now written to OE for clarification on the algor...
By Toodles , 3 hours ago
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@sandman1600 It’s tricky, if you run it in the 30s, ...
By davidnolan22 , 3 hours ago
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RE: New kitchen with no walls – will fan coil units work?
Thanks. That explains the strangely-shaped 'feet' (loo...
By IanMK13 , 5 hours ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@morgan ‘They’ do rather appear to have a grasp of our ...
By Toodles , 6 hours ago
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RE: Heat Pump Sizing & Installation Costs
2019 180sqm timber frame 14kW 300l DHW 16 new r...
By Abernyte , 12 hours ago
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RE: Heat Pump Books For Beginners – Bodge Buster & From Zero To Heat Pump Hero
I’ve updated Bodge Buster for 2025 to empower homeowner...
By Mars , 12 hours ago
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RE: Aira Heat Pump: Stylish Scandinavian Heating
Aira, the Swedish, end to end manufacturer, system desi...
By KevinPotts , 13 hours ago
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Unfortunately for your argument the best performing Dai...
By RobS , 23 hours ago
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RE: Grant ASHP not reaching target temperatures
@mikefl Thank you. I’m not sure how to do these checks ...
By Hillswick , 1 day ago
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RE: Transforming a Derbyshire Property into an Energy-Efficient Haven
@carpenterstation That's helpful, thank you. The de...
By Morgan , 1 day ago
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RE: What is the best strategy for operating a very oversized heat pump?
@jamespa Homely does address many of these issues, but ...
By Arundalep , 1 day ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
There is absolutely nothing wrong with buffer tanks in ...
By JamesPa , 2 days ago
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RE: Replacing knackered oil boiler with ASHP - Perthshire
@abernyte thanks tbh I was more thinking about bolsteri...
By DowallyDrifter , 2 days ago
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RE: Battery storage to run Heat Pump.
@jeff The government are quite happy for the network ...
By Lucia , 2 days ago
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RE: Adjusting 6kW Daikin's Weather Compensation Curve
@jamespa I'm grateful for your advice.
By Ubert767 , 2 days ago
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RE: Is it KISS or constant – weather compensation vs. set flow temperature?
Thanks. I've seen the video several times at the beginn...
By cliffhanger , 2 days ago
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RE: Say hello and introduce yourself
@carrownisky where are you based? Would you like me con...
By Mars , 2 days ago
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RE: Baxi Air Source Heat Pump tips and tricks please
@transparent Good morning, the installer sorted our m...
By Cathyem1 , 2 days ago
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@roodo welcome to the forums and I’m really sorry to he...
By Mars , 2 days ago
Latest Topics
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Adjusting 6kW Daikin's Weather Compensation Curve
By Ubert767 2 days ago
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Should I make my radiators smaller?
By Scalextrix 3 days ago
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Daikin Heat Pump Cycling Frequency?
By Ubert767 4 days ago
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Battery storage to run Heat Pump.
By Broadsman 4 days ago