Last seen: Mar 14, 2025
@jwilliams89 Likely under ECO4 the installers will fit the Grant Chofu controller, which comes as standard with the Aerona. The smart controller hasn'...
Done @editor, please confirm receipt. Average 46dB(A) SPL @ 3.5m for Grant Aerona3 10kW
Highly likely a Grant scheme installed under ECO4 will have a LLH and secondary circulating pump. They are not the most efficient system installation,...
Hi, some info on Grant website on user level parameter adjustment. Not had a look in detail, Grant are slowing realising that the installer manual is ...
@roamingbull hi there, as a comparison, I have around 155m2 of heated space, and the 10kW Aerona. I was hitting 50kWh per day last weekend in the exce...
WC works completely autonomously, it doesn't reference room temperature. Parameter 21 05 is the maximum outdoor air temperature at which, with WC enab...
In theory, yes. You may need to adjust the WC parameters, or the flow rate to certain emitters to fine tune it. Every house and heating system is diff...
[/quote] Hi again, if Weather Compensation [WC] works right then your heating will regulate based on that. Hive thermostats cycle the ASHP on and off...
Same here @Marvinator80. I have max LWT (in my case 45degC) set to 0degC. To be fair below 0degC I don't reach max LWT, due to continual defrost cycle...
Hello and welcome. The Grant Aerona units are known to spend a lot of time in defrost in winter conditions, usually every 45-60 minutes. That does see...
@mike-patrick I called Grant HQ. They arranged for Olly the local service engineer to attend. Pricey service of the ASHP and system cylinder at £250. ...
The Grant units seem particularly keen to defrost around every 45 minutes when there's high relative humidity and the evaporator refrigerant temperatu...
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Latest Posts
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Unfortunately for your argument the best performing Dai...
By RobS , 6 hours ago
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I’d also listen to James, he gives good advice. i did...
By davidnolan22 , 8 hours ago
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RE: Setback savings - fact or fiction?
You are almost right and have appreciated the key point...
By JamesPa , 8 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 , 9 hours ago
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RE: Heat Pump Sizing & Installation Costs
100m2 5kw £11000-£7500=£3500 pick 3 radiators
By Adrian , 10 hours ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@adrian I think that the company might argue that if th...
By Toodles , 10 hours 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 , 12 hours 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 , 15 hours 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 , 20 hours ago
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RE: Replacing knackered oil boiler with ASHP - Perthshire
@abernyte thanks tbh I was more thinking about bolsteri...
By DowallyDrifter , 20 hours ago
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RE: Battery storage to run Heat Pump.
@jeff The government are quite happy for the network ...
By Lucia , 1 day ago
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RE: Who's your electricity provider and what's your tariff?
@old_scientist The OE guidelines mention that their con...
By Toodles , 1 day ago
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RE: Adjusting 6kW Daikin's Weather Compensation Curve
@jamespa I'm grateful for your advice.
By Ubert767 , 1 day 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
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RE: Thinking of ripping our my IVT Greenline HT Plus C model and replacing with a gas boiler.
Don’t rip out a IVT! Amazing heat pump! Unless your com...
By greenlight , 2 days ago
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RE: Sunamp Thermino Heat Battery
Wow, I knew they were pricey, but didn’t expect it to b...
By Mars , 2 days ago
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RE: Victorian Semi Retrofit / Extension ASHP and UFH Advice
@matthew_w good luck with the quotation and proposal pr...
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 2 days ago
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Daikin Heat Pump Cycling Frequency?
By Ubert767 3 days ago
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Battery storage to run Heat Pump.
By Broadsman 4 days ago