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Judith
@judith
Member
Prominent Member
Joined: Nov 28, 2023
Last seen: Apr 25, 2026
Profile Activity
Topics: 4 / Replies: 515
AllTopicsReplies
Reply
RE: Moving FIT array onto a Tesla Powerwall 3 possible?

We have a 4kW FIT array, and have added a battery with no problems. The key is using an AC inverter to the battery. Hybrid ones charge the battery at ...

7 months ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Flexi-Orb Heat Pump Scheme: A Game-Changer for the UK's Heat Pump Industry

Signed

7 months ago
Forum
Government Schemes, Regulations, Training, Planning & Organisations
Reply
RE: Which thermostat should I get (or do I need one?)

Whether you need a separate thermostat for your UFH heating depends on 2 things, what flooring you have and what the maximum temperature is that the h...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Seeking Help for In-Principle Quote to fix a botched heat pump installation by Heat Geek Installer

@drei just a small detail on your table posted on the 24th. scop is seasonal coefficient of performance so you need a year of data . What you are sho...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Repiping and Reconfiguring our Heat Pump System Including Removing the Buffer Tank

@adamk &@editor I think these FRVs come into their own for professional first installation use We were very fortunate that our installer did a r...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How to choose Towel Rails for an ASHP

In one en-suite bathroom we have a 180cm high towel rail which isn’t enough wattage really, but the bedroom donates plenty of heat. In another we si...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Powerwall 3 or Myenergi or something else?

@adamk what you need is enough battery size to cover 3 hours of peak prices mid winter that you get on some tariffs so probably >10kWh, with enough...

7 months ago
Forum
Energy Storage
Reply
RE: External stat issue

Accuracy of -/+1C is normal

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Say hello and introduce yourself

@jarlatheoin do put the MVHR in early it’s not an easy retrofit. Even if you save on the unit itself the ductwork is what is difficult to retrofit. Pu...

7 months ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: How to Zone with a Single Room with UFH

We have exactly what you describe, one utility room with UFH but radiators elsewhere. Design one single open loop, increase radiator size if need on...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Solar Thermal DHW and ASHP

Since you already have the ashp it makes little financial sense to add solar thermal to it. We already had solar thermal (vacuum tube type), so had an...

8 months ago
Forum
Solar Thermal & Power Diverters
Reply
RE: Heat Pump SCOPs – The Truth Might Not Be What You Think

I think you’ll find it depends on the room heat loss. A low loss room can be heated by a much smaller difference between mean water temperature and re...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
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