Last seen: Jan 8, 2025
Hello @lenny and welcome. It's hard to tell when it's late May but how is it so far? Were you given a walk through, manuals, instructions and so on?
I agree with you that normal cycling in itself isn't a big problem. IMO the bigger problem with an oversized ASHP (apart from them costing more) is t...
A typical oversized gas boiler with scalding hot radiators allows the temperature of the house (or parts of it) to be set back so that it is colder fo...
It was storage heaters and I did have annual consumption. But it was hard to compare the energy used with a modern, controllable system. The heat ra...
It was storage heaters and I did have annual consumption. But it was hard to compare the energy used with a modern, controllable system. The heat ra...
Don't forget to add a bit - at least 15% - for defrosts. And hot water. And make sure the manufacturer's 'size' is deliverable when it's actually col...
I agree. IMO the issue with older housing isn't the wall insulation; loft lagging, windows and doors should fix most and terraced houses are very wel...
@sunandair, @elab hasn't been seen on the forum since 1st May so I don't think s/he is worthy of any more attention!
Don't forget that an ASHP will spend 15-20% of its time defrosting when it's cold outside. And you'll still want hot water. 11kW sounds about right....
At least ASHPs keep running as long as you want them to. Imagine having an ASHP that stopped after using 30kWh and required you to faff around with va...
An adjustment in the relative prices of electricity and gas would be the most effective way to encourage heat pumps. 2.5 times would help but if elec...
Because it's being funded by taxpayers. If I'm going to contribute, through my taxes, to delivering a low(er) carbon economy, I want the best bang fo...
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Latest Posts
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@drew-pa that’s one of the cheaper ones so far.
By Mars , 9 hours ago
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Grant Aerona fine tuning advice needed
Looking to fine tune my settings. Currently running ab...
By Stopbar , 10 hours ago
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RE: Who's your electricity provider and what's your tariff?
@adrian it does look like they’ve updated their outgoin...
By Arundalep , 11 hours ago
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RE: DHW temp Samsung AE120RXYDEG 12kw ASHP with Gen 6 controller
I agree, it doesn't look like that was the culprit, but...
By Old_Scientist , 13 hours ago
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If you think your heat loss is between 4.5 and 8.5, the...
By JamesPa , 14 hours ago
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RE: Heat Pump Sizing & Installation Costs
1970s 4-bed detached house approx 168 sq.m internal are...
By JohnR , 19 hours ago
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RE: Is it KISS or constant – weather compensation vs. set flow temperature?
Away at present. Hence the delay. Will get back asap. ...
By cliffhanger , 22 hours ago
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RE: Setback savings - fact or fiction?
The lower the DT the higher the flow rate. The lower ...
By BobTSkutter , 2 days 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 , 2 days 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 , 2 days ago
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RE: Aira Heat Pump: Stylish Scandinavian Heating
Aira, the Swedish, end to end manufacturer, system desi...
By KevinPotts , 2 days ago
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Unfortunately for your argument the best performing Dai...
By RobS , 2 days 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 , 3 days 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 , 3 days 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 , 3 days 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 , 3 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 , 3 days ago
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RE: Battery storage to run Heat Pump.
@jeff The government are quite happy for the network ...
By Lucia , 3 days ago
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RE: Adjusting 6kW Daikin's Weather Compensation Curve
@jamespa I'm grateful for your advice.
By Ubert767 , 4 days ago
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RE: Say hello and introduce yourself
@carrownisky where are you based? Would you like me con...
By Mars , 4 days ago
Latest Topics
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Grant Aerona fine tuning advice needed
By Stopbar 10 hours ago
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Adjusting 6kW Daikin's Weather Compensation Curve
By Ubert767 4 days ago
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Should I make my radiators smaller?
By Scalextrix 5 days ago
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Daikin Heat Pump Cycling Frequency?
By Ubert767 5 days ago
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Battery storage to run Heat Pump.
By Broadsman 6 days ago