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Judith
@judith
Member
Noble Member
Joined: Nov 28, 2023
Last seen: Dec 20, 2025
Profile Activity
Topics: 3 / Replies: 443
AllTopicsReplies
Reply
RE: Choice of heat pump - Help needed - Vaillant Arotherm versus Samsung versus Logic Air versus Grant Aerona

Vaillant service for the application installation was great, one engineer visit and 4 extensive replies from the help desk. BUT tbh it should have bee...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat loss calculations and how they work in conjunction with heat pump sizing

Heatpunk is very good and I was able to get an accurate result from thatwhich agreed with the sanity check of the annual gas bill. if you want to do...

1 year ago
Forum
Safety, Regulations, Tools, Plumbing & DIY Installations
Reply
RE: ASHP - a few (probably dumb) questions about the lived experience

I think I have only just understood a point that I think @transparent has made a couple of times. As a direct consequence of there only being one U...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Choice of heat pump - Help needed - Vaillant Arotherm versus Samsung versus Logic Air versus Grant Aerona

We’ve just had a Vaillant installed (literally finished today) and the installer (Heatgeek elite) and Vaillant support has been excellent. So personal...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP - a few (probably dumb) questions about the lived experience

A separate reply about ventilation. The heat loss survey method includes heat loss through ventilation both deliberate and unplanned (otherwise know...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP - a few (probably dumb) questions about the lived experience

I totally agree with James’ approach of keep the heat pump running continuously during the coldest periods and use set back for overnight lower temper...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How much more can we learn and then use ourselves from @transparent’s systems?

Our battery is connected to the mains via the AC3. The solar also connects to the mains separately which is 4kW of panels with a Sunnyboy “FIT” system...

1 year ago
Forum
Energy Storage
Reply
RE: How much more can we learn and then use ourselves from @transparent’s systems?

Our AC3 gives 3kW output nominal and I’ve never seen more, certainly not up to the 4kW you state our battery can export. Your output power capability ...

1 year ago
Forum
Energy Storage
Reply
RE: How much more can we learn and then use ourselves from @transparent’s systems?

@transparent we have a G99 for our 6kW PV panels and 9.5kWh battery and although we try to use all of our PV we export about 20% of it and it provides...

1 year ago
Forum
Energy Storage
Reply
RE: Is mine bigger than yours? Ambient level of consumption.

Our minimum usage in the night is ~150W but mostly it is more. Usual suspects WiFi mesh and extenders tend to dominate, inc MVHR. When we’re not here ...

1 year ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Powerwall 3 - is it worth the outlay?

Do we need to challenge personal circumstances on here? Surely not?

1 year ago
Forum
Energy Storage
Reply
RE: Grant Aerona 13KW - can I boost it?

I hope it’s well insulated since with a 3kW immersion outside that could increase your bills a lot. How will it be controlled for how often it comes o...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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