Last seen: Mar 18, 2025
@derek-m good point. I had an iboost fitted 6 months ago. More recently had a 6.5kWh Growatt battery fitted to my Solar PV. I have found that charging...
ASHP running costs can go up massively when the average daily temperature drops near freezing, defrost cycles start kicking in, and the house heating ...
@marvinator80 if your Grant installer has used external 3rd party time clock for daily HW cycle and external 3rd party thermostat for CH control, they...
@marvinator80 great all is installed and running. I have set the cylinder stat to 50degC, which requires the ASHP to provide water at 55degC. It usual...
@parmstar Great, les us know how you get on. Piping on your circuit is simple enough, and with a hybrid bivalent system I can see the LLH being of ben...
Is it the radiator side of the LLH that's not reaching temperature? Or does the heat pump monitoring show it's not achieving 50degC supply temperature...
@morgan that one has me scratching my head. First heard of this scheme on the Martin Lewis programme. Until late October I was off mains gas with heat...
Hi @Denevil, OK, the low rate overnight tariff is a good reason to generate HW overnight, if not the most thermally advantageous time. Defrosts are an...
Hi @Denevil, just reading this, I'm probably a month or so further on my Grant ASHP system journey, 10kW Aerona3 and 150m2 EPC C house. It's a learnin...
@marvinator80 for internal pipework, yes. for external, no. Needs to be thicker wall, minimum 19mm (3/4") and weather/water and UV resistant skin. Som...
We get very cold weeks like this 4-6 weeks of the year. When I first started researching ASHP, I realised it would be more expensive than kerosene, my...
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Latest Posts
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@jamespa and, just circulate around the primary circ...
By davidnolan22 , 25 minutes ago
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How odd. Or maybe they have now realised that they are...
By JamesPa , 58 minutes ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
... Isn't great advertising! Or is that too cynical?
By JamesPa , 1 hour ago
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RE: Confused about Samsung Gen6 Hot Water Controller
Do you have the DHW on timed periods or on continuous w...
By DerekDeLeon , 12 hours ago
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RE: What is the best strategy for operating a very oversized heat pump?
I think we are currently operating a weird mix of 2 and...
By guthrie , 15 hours ago
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We’ve had our heat pump (EBAC) since October, with a fe...
By Simon and Zoe , 16 hours ago
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RE: DHW temp Samsung AE120RXYDEG 12kw ASHP with Gen 6 controller
@Bami Ive had a look for the specs of your cylinder o...
By bontwoody , 16 hours ago
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RE: best approach for primaries?
Personally I would want them inside the heated envelope...
By JamesPa , 19 hours ago
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RE: help with new bathroom and towel radiator
I persuaded my installer that heat loss from the adjace...
By JamesPa , 19 hours ago
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RE: Grant Aerona fine tuning advice needed
Thank you pretty sure it's solar gain causing the incre...
By Stopbar , 21 hours ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
I fitted a Samsung 8kw myself on a new build with under...
By DerekDeLeon , 23 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 , 2 days ago
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RE: Heat Pump Sizing & Installation Costs
1970s 4-bed detached house approx 168 sq.m internal are...
By JohnR , 2 days 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 , 2 days ago
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RE: Setback savings - fact or fiction?
The lower the DT the higher the flow rate. The lower ...
By BobTSkutter , 3 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 , 3 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 , 3 days ago
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RE: Aira Heat Pump: Stylish Scandinavian Heating
Aira, the Swedish, end to end manufacturer, system desi...
By KevinPotts , 3 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 , 4 days ago
Latest Topics
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Confused about Samsung Gen6 Hot Water Controller
By ntruby 13 hours ago
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help with new bathroom and towel radiator
By AdamK 24 hours ago
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Grant Aerona fine tuning advice needed
By Stopbar 2 days ago
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Adjusting 6kW Daikin's Weather Compensation Curve
By Ubert767 5 days ago
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Should I make my radiators smaller?
By Scalextrix 6 days ago