Last seen: Sep 27, 2025
The quality of the installation is extremely important @ellyse A heat pump doesn't work like a gas boiler.It stays operating all the time, adjustin...
Three-phase Distribution Boards / Consumer Units I've started looking to see if there are 3-phase DBs which are more suited to the domestic market.T...
Only two sizes of PV panel cable are widely available: 4mm² and 6mm² I have never yet met an installation which requires the larger 6mm² option! Y...
Hi @ellyse and welcome. Your question is going to need responses from a number of us.I'm from a technical background, so I'll stick to those aspects...
Smart Meters is one of my pet subjects, so I'd really like to give a good response to these points. In my area the DNO is NGED. It has been their co...
Yes. Your inverter has two independent PV inputs.Each one is rated at 550v 13.3A maximum whilst operating in MPPT mode.So, for example, you could have...
I'm struggling to follow that.I need units 😉 So you have 6 Canadian Solar panels, each rated at 425w and connected in SERIES to one of the ...
The problem with the maths is that you're starting with two different types of panel. I proposed (purely as an example) 425w panels manufactured by ...
@david999 we did the calculations for the number of panels you could connect earlier in this topic here. It depends on the rating of the panels, so ...
In conversations with engineers in the UK electricity supply network, they use the term 'off-grid' when the 240v AC is not synchronised to the 50Hz of...
Yes, I agree that my terminology doesn't embrace 'off-grid' in the way that it would be perceived by a crofter in Scotland, for example. I'm suggest...
Realistic in terms of price?Or because of practical arrangements to have a storage battery installed? The financial viability depends on what you're...
Latest Posts
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RE: Do I just go with the lowest quote for my heat pump?
@jamespa OK to reduce the slope by reducing the 'design...
By Jancold , 33 minutes ago
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RE: Clivet ASHPs and weather compensation
There's definitely something not right there. @simon-w,...
By Mars , 58 minutes ago
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RE: Which thermostat should I get (or do I need one?)
OK I've thought some more about this. I think you have...
By JamesPa , 1 hour ago
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RE: Help me keep the faith with my air source heat pump installation
I just looked at mine. My flexis (which run horizontal...
By JamesPa , 2 hours ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Manufacturer: Vaillant Model: Arotherm Plus 7kW Typ...
By MatWin , 12 hours ago
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RE: Say hello and introduce yourself
Sounds interesting. According to the website the cap...
By JamesPa , 12 hours ago
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RE: Seal the Deal: Don't Let Your Heat Pump Leak Energy
We have a lot of work ahead to get this done properly. ...
By Mars , 12 hours ago
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Samsung Gen 6 - Schedules not working
I think I may have done something silly, but havent bee...
By bontwoody , 16 hours ago
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RE: DNO export limit problems.
Ask DNO if its a load balancing on your phase of the su...
By AgentGeorge , 16 hours ago
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@papahuhu Sounds as though you need to speak to your in...
By Toodles , 19 hours ago
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RE: Flexi-Orb Heat Pump Scheme: A Game-Changer for the UK's Heat Pump Industry
Signed.
By Morgan , 19 hours ago
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I ‘did the math’ for Nov. to the end of April to be on ...
By Toodles , 20 hours ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
@tasos automations on Home Assistant so if there is a p...
By benson , 21 hours ago
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RE: Sizing - Save me from my headache
Mitsi 8kW has a 6kW variable and 2kW fixed compressor s...
By JamesPa , 2 days ago
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@drei your proposed radiator design looks inadequate to...
By GrahamF , 2 days ago
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RE: Why does an ASHP provide a more comfortable environment than a gas boiler?
Actually, I think the issue is the different rate of he...
By AndrewJ , 2 days ago
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RE: 5 Star Service from Havenwise
That's why homes are spread across the three phases. ...
By Dan_Grey , 2 days ago
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RE: Heat Pump Installers: Competence, Illusion and the Hard Truth Homeowners Must Face
@editor like @jamespa, I had a list of test questions: ...
By GrahamF , 2 days ago
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RE: Do primaries need anti vibration clips?
@adamk @ashp-bobba The vast majority of the time my 7...
By JamesPa , 2 days ago
