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Last seen: May 15, 2026
Ah, not so useful then For sure, hopefully before next winter! On the Vaillant, programming NR mode (both on/off and hours of operation) is a...
That is what everybody else's hush/quiet mode is so almost certainly, they cant do magic!. See my comments above on how I successfully use Vaillant's...
@little-lights If I understand you correctly your system is AC coupled, (ie you have 2 inverters). Its the battery inverter you need to concentrate o...
If it's like every other quiet/night/noise reduction/silent/hush mode, it simply limits compressor modulation and/or fan speed. This reduces max out...
Its definitely quite complicated and as I say whole house backup with PV off grid is very much not yet mainstream. I havent gone ahead with a battery...
OK so here are my thoughts. Your panels and battery fundamentally dont in principle need changing, they are not where the 'smarts' are. The issue i...
FWIW I have been investigating battery recently (for about the 4th time - basically I struggle to make the business case work) and my judgement of the...
In general they aren't and he is wrong. End of in almost all cases. That said Aira are essentially vertically integrated so can actually set up th...
In general they aren't and he is wrong. End of in almost all cases. That said Aira are essentially vertically integrated so can actually set up th...
@little-lights Done properly an ASHP will almost certainly give you greater comfort for similar or lower running costs even in 'normal' times witho...
Fair enough. Its interesting that opentherm (for boilers) has been around for decades but several large manufacturers, eg Vaillant, didn't adopt it ...
A tank solely in the return (upstream of where the return from the DHW joins so that it is not engaged during a DHW run) will do no harm but as you sa...
Latest Posts
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RE: Anyone concerned about GivEnergy?
@editor Thank you for your reply. We do have an active ...
By SUNNYSKIES , 7 minutes ago
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RE: Estimating true heat loss from twelve months of consumption data
@ian33a — a measured heat loss always trumps a calculat...
By cathodeRay , 49 minutes ago
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RE: Setback savings - fact or fiction?
@cathoderay Thanks for your detailed response.Just two ...
By PeterWurmsdobler , 57 minutes ago
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RE: Grant Aeona 3 R32 cycling with weather compensation.
The hot water heating looks normal. The heat transfer ...
By GrahamF , 3 hours ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
Good questions @temperature_gradient. My understanding ...
By springswood , 5 hours ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
All going according to plan, mid July we get that 7kW a...
By Batpred , 16 hours ago
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Current metrics - DHW target set to 47c
By TaffontheTaff , 21 hours ago
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RE: My Grant R290 9kW Heat Pump Installation
@petch I'm very sorry that I have not picked up your po...
By GrahamF , 23 hours ago
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RE: Samsung gen 7 HP 12kw - auto control issue and water law
Suggest you have a trial with Havenwise app. I have th...
By Broadsman , 1 day ago
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RE: New Solar, Batteries, Air Source and Under Floor Heating advice please
You’re right: UFH works best with high-conductivity fin...
By bafab , 1 day ago
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RE: DIY or Don’t Touch? Solarman Smart Meter Install
That was my understanding also.
By JamesPa , 1 day ago
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RE: Vaillant Sensocomfort Time
Oh I remember this from when I set mine up 2 years ago,...
By JamesPa , 2 days ago
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Heat geek have already stated that the pro is in fact c...
By JamesPa , 2 days ago
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RE: The Myth of the MCS Performance Guarantee
@editor I know. As if MCS wasn't bad enough, it's now e...
By Deltona , 2 days ago
