Search with Wattson
Activity
 
Notifications
Clear all

Joining the Renewable Heating Hub forums is completely free and only takes a minute. By registering you’ll be able to ask questions, join discussions, follow topics you’re interested in, bookmark useful threads and receive notifications when someone replies. Non-registered members also do not have access to our AI features. When choosing your username, please note that it cannot be changed later, so we recommend avoiding brand or product names. Before registering, please take a moment to read the Forum Rules & Terms of Use so we can keep the community helpful, respectful and informative for everyone. Thanks for joining!

AndrewJ
@andrewj
Member
Reputable Member
Joined: Jan 8, 2025
Last seen: Sep 17, 2026
Topics: 12 / Replies: 235
Reply
RE: Do I add Air Con or MVHR to existing A2W ASHP?

@lizzie that is useful info, thanks. I’m currently considering external shutters to try and reduce solar gain as our house typically heats up to over...

1 month ago
Reply
RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house

@ian-s I too can provide some insight. We have a Cosy 9 along with 10kW PV and 16kW of battery, 8kW inverter plus an EV. The batteries are charged u...

1 month ago
Reply
RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house

@ian-s that would point to a 5kW heat pump being sufficient assuming you want the same temperatures across the house. These ought to be considered 15...

1 month ago
Reply
RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house

@jamespa I used 9MWh of gas but the heat loss was originally calculated at around 8.5kWh and a 9kW heat pump installed. It was subsequently recalcula...

1 month ago
Reply
RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house

For some reason, never explained, Aria use a buffer. However, it would also seem they know what they are doing and it doesn’t cause issues. Probably...

1 month ago
Reply
RE: Octopus Cosy Heat Pump Owners & Discussion Thread

Did you see the post on Facebook where an air conditioning module, plumbed into the wet circuit and powered by the Cosy was shown? Only a prototype a...

2 months ago
Reply
RE: Can DNO change a G99 export allowance once approved?

It never takes much to drag something off-topic. At least this forum never succumbs to Godwin’s Law!

3 months ago
Reply
RE: Can DNO change a G99 export allowance once approved?

@transparent It seems to be designed that way - from their support page: ..... Pen Fault Detection A PEN fault refers to a problem with the prote...

3 months ago
Reply
RE: Can DNO change a G99 export allowance once approved?

@transparent I'll try and answer this as best I can. My house looks like your TN-CS (PME) image: there is an earth lead directly back into the servi...

3 months ago
Reply
RE: Can DNO change a G99 export allowance once approved?

@tim441 They did that last year: fitted a voltage recorder for a week and then took it away to analyse the data. They agreed that it was reaching vol...

3 months ago
Reply
RE: Can DNO change a G99 export allowance once approved?

Not in writing, just a phone call but the chap said it had been logged so....I haven't had a chance to contact them yet but I will do so. My inverter...

3 months ago
Reply
RE: Can DNO change a G99 export allowance once approved?

Ah ha! People are paying attention 😀! My mistake, they said they would upgrade it. I’ll chase it and ask if switching phase would help. &n...

3 months ago
Page 2 / 21
Share:

SPONSORS

Join Us!

Installer Finder

Degrees of Separation

Latest Posts

SPONSORS

Members Online

Click to access the login or register cheese
Protected By
Shield Security PRO