Last seen: Oct 12, 2024
A second reference,page 29, recommends a maximum speed of 1 m/s. Graham Hendra's book "50 things heating professionals need to know about Heatpumps" s...
It is a rule of thumb to keep water flow within reasonable limits (not making too much noise or eroding the pipe). I am struggling to find references ...
It seems a bit strange that the customer has to supply these. Surely the installer should have seen and copied these; their audit success should not b...
And one which pays for scaffolding to access the faulty equipment! Having said that, some SolarEdge installers place the optimizer in the loft space;a...
From a grid perspective I would think that using all three phases equally would be the best, especially when adding large loads like an EV charger and...
To be fair, hybrid inverters can offer this, and without locking you into a single battery supplier. AIO systems are hybrid inverters and batteries in...
At the risk of not answering the question asked, what is the power output of the proposed heat pump, and how far is it between the external and intern...
That makes life a lot easier! I still think that modelling the roof and shading is the only way to assess whether micro-inverters or optimisers are ...
By way of contrast, seefor a 300kWh battery (88kVA in/out) made out of 4 re-used Tesla battery packs. 2.5m * 1.9m * 1.9m and 3 tonnes, so a little awk...
What would be the purpose of this new PV array (e.g. trying to extend the time where the heat pump can be run off solar, or maximise income from an ex...
So I was exploring options for installation, and why, for instance, a purely battery storage option did not result in SEG payments. After all, time-sh...
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Latest Posts
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RE: Battery storage to run Heat Pump.
Exactly, and as in my case above, we may have left it t...
By Old_Scientist , 4 minutes ago
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RE: Is it KISS or constant – weather compensation vs. set flow temperature?
Keep it out in the open! Others will want to have a loo...
By cathodeRay , 11 minutes ago
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RE: Setback savings - fact or fiction?
@jamespa - thank you for your ongoing heroic attempts t...
By cathodeRay , 28 minutes ago
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RE: Have Consumers Been Lied to About the Efficiency of Heat Pumps Made in China?
Whats the real world impact of the COP data being sligh...
By Tom , 53 minutes ago
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RE: Towel rails. An unexpected final hurdle
@davesoa No, unfortunately. I had to pay the VAT becaus...
By Lucia , 2 hours ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@editor I have been persuaded by the argument that you ...
By SUNandAIR , 2 hours ago
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RE: SolarPV tables / online calculator
@majordennisbloodnok what degradation per year is typic...
By MichelleC , 2 hours ago
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RE: Who's your electricity provider and what's your tariff?
I watched it. I found it an interesting discussion but...
By JamesPa , 3 hours ago
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RE: Daikin Heat Pump Cycling Frequency?
I think your current method of logging F-gas pipe tempe...
By Mars , 13 hours ago
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RE: Baxi Air Source Heat Pump tips and tricks please
@cathoderay thank you, I will.
By Cathyem1 , 16 hours ago
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Very sensible. Get the 'second round' quotes in, hopef...
By JamesPa , 16 hours ago
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RE: Looking for the Grant Aerona 3 setting to turn off completely at 20 OAT
Sorry, yes, 2105. OOPS! If I recall the unit circulates...
By AllyFish , 18 hours ago
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RE: Newbie out of her depth – Samsung AE120RXYDEG 12kW heat pump
No pressure or obligation, this discussion has moved on...
By JamesPa , 18 hours ago
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RE: Split system and pipe lengths for air source heat pump installation
@johnmo got it. Thanks.
By nickmorgan , 20 hours ago
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RE: Ecodan ASHP - How to optimise my set up?
Thanks everyone for posting this, so much useful info t...
By Bamnio , 1 day ago
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RE: Samsung Gen 7 R290 12kW is not behaving how I expected
I have the same pump and if I am operating it correctly...
By Broadsman , 1 day ago
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RE: What is the best strategy for operating a very oversized heat pump?
This whole discussion highlights just how much of a mes...
By Mars , 2 days ago
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RE: NIBE F2040 12 kW heat pump and 100 liter buffer tank
@cheshirejohn thanks for the update and for sharing. I’...
By Mars , 2 days ago
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@robs useful thread! Thanks for sharing - Octopus are c...
By big_si , 2 days ago
Latest Topics
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Daikin Heat Pump Cycling Frequency?
By Ubert767 15 hours ago
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Battery storage to run Heat Pump.
By Broadsman 1 day ago
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Heat Pump Sizing & Installation Costs
By Mars 2 days ago
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Volumisers in Heat Pump Systems: Does Placement Matter?
By Mars 2 days ago
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SolarPV tables / online calculator
By MichelleC 2 days ago
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Samsung Gen 7 R290 12kW is not behaving how I expected
By Joshua 3 days ago