Last seen: Mar 6, 2026
Similar situation here, although slightly lower numbers as I have a 12kW ASHP and a 3kW solar inverter. In the summer*, I try to limit the power dra...
I have seen mentioned two things that may help alleviate the effects of defrost cycles. The first is having sufficiently large thermal mass within t...
I'm not sure I follow. I have a 12kW Samsung ASHP, and starting from cold, which we do most mornings as we often switch off overnight, the system norm...
I generated 6.4kWh on Saturday 2.8kWh on Sunday and 7.4kWh yesterday from my south facing 3.65kWp array - Saturday and yesterday were very good days w...
I'm running a 'flat' WL curve of 32C (32C @ 15C OAT; 32C @ -2C OAT), and I then manually adjust LWT up and down on the controller heating screen. At t...
I don't know how having two zones may complicate/affect things, especially as presumably the two zones may require different flow temps? With #2091-...
@cloudclear sounds like a good plan. I do not have any monitoring, so am simply collecting data and recording through studious observations. FSV #20...
I believe the guys above have nailed it. I have a similar 12kW Gen6 Samsung and observe exactly the same. The heat that the ASHP is producing has to...
That would be the more logical place to fit them, but ours is installed on the main return pipe back to the heat pump, so affects both DHW and heating...
@rhh2348 My system has a 50L volumiser fitted in the main 28mm return pipework, which at the end of the DWH cycle will also contain 50L of hot (55C) w...
This is exactly what I observe with my oversized Samsung when I run it in always on mode via the room stat calling for heat. If I set the WC curve t...
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RE: Underfloor Heating Installation Issues with Heat Pump
This looks like a practical solution 👍
By bobflux , 4 hours ago
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It's a detached house with a fairly large split-level e...
By petch , 5 hours ago
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Your installer may well be right. If the WC curve isnt...
By JamesPa , 6 hours ago
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RE: Our 10 year old Grant heat pump failed
Same as many boilers, ovens washing machines and other ...
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RE: Home energy storage & battery register
3 X Pylontech US2000 Plus @ 2.4 Kw each = 7.2 Kw SoFa...
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RE: Daikin Altherma 3 LT compressor longevity question
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Horizontal Hot Water Cylinders for ASHP with Energy Efficiency Rating 'A'
I looking to Have an ASHP installed in the near future....
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RE: Noisy Grant Aerona 3 13kW ASHP question
Here's a LibreOffice spreadsheet. I put the formula f...
By bobflux , 15 hours ago
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RE: Electricity price predictions
I assumed you were joking here. Hence my joke about ...
By Batpred , 15 hours ago
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RE: Struggling to get CoP above 3 with 6 kw Ecodan ASHP
Photos of cylinder cupboard and UFH manifold would be u...
By Travellingwave , 19 hours ago
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RE: My misgivings about installing ASHP and solar panels via the ECO4 scheme...
It has been some time since I posted comments about Eco...
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RE: Forum updates, announcements & issues
Something big is coming to Renewable Heating Hub! Ove...
By Mars , 1 day ago
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RE: A Single Voice for Heat Pumps, But Will It Finally Raise Industry Standards?
From what I’ve read, the Heat Pump Association UK is me...
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RE: Tell us about your Solar (PV) setup
Pylontech US5000 stores about 4.3 kWh accounting for in...
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RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
Hi all, Just an update on where we are with the "Consta...
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RE: How to control DHW with Honeywell EvoHome on Trianco ActiveAir 5 kW ASHP
Well I've had an interesting few days and would like to...
By giganto , 2 days ago
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RE: Peak Energy Products V therm 16kW unit heat pump not reaching flow temperature
Yes, here's mine. From the service manual parts numbers...
By bobflux , 2 days ago
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Had to learn the hard way 🤣 now I'm sharing T...
By bobflux , 2 days ago
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RE: Issue with a Grant Air Source Heat Pump & Tado Smart Thermostat
Im assuming from your original post that hysterisis ref...
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RE: Heat Pump vs New Gas Boiler for Inherited House - Worth the Extra Cost?
Hi @fretless6 Mike, I have experience with Taggas (Re...
By Old_Scientist , 3 days ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
Now seems a good time to summarise the costs and effici...
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RE: Connecting Growatt SPH5000 over wired ethernet rather than wireless
The simplest wired option is usually the Growatt Ethern...
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