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Judith
@judith
Member
Prominent Member
Joined: Nov 28, 2023
Last seen: Aug 6, 2025
Profile Activity
Topics: 2 / Replies: 371
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RE: Database of heat pump performance data?

That looks as if you’ve found it! I’ve browsed it a bit now. The lots of time I spent (wasted) was playing with the BRE tool before I realised tha...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: As We Head Into Spring and Summer… What’s Your Favourite Energy-Saving Tip?

We have external awnings/canopies to keep the sun out. They reduce the air temperature by 6C in the kitchen which has a large south facing window. The...

5 months ago
Forum
Your Home
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RE: Database of heat pump performance data?

@madbilly I can’t help with most of your questions since I don’t work at BRE. I’m a heat pump customer with a professional science/engineering backgro...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Database of heat pump performance data?

You could try/p> BUT i spent ages on it before realising that the installation is what mattered not the pump. If a very efficient 10kW pump is bad...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Additional Battery v Wind Turbine v Ripple

Does anyone have access to thisor any other trade site with more information? This is the most detailed I’ve been able to google (non paywalled)/p>...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: To relocate or add extra PV panels..advice required

Have a look at your roof and where the sun is falling. It’s not rocket science if the sun is on all of the panels you’ll be generating the most. If it...

5 months ago
Forum
Solar Photovoltaic (PV)
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RE: To relocate or add extra PV panels..advice required

It looks normal up to 10:30!

5 months ago
Forum
Solar Photovoltaic (PV)
Reply
RE: SolarPV tables / online calculator

This guy did a good analysis in summary go down a bit more at first then steady slighter decline. The “spec” is 20% down in 25 years.

5 months ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Additional Battery v Wind Turbine v Ripple

That is a real shame! Several people have put money with them.

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: To relocate or add extra PV panels..advice required

This is a sun curve once it is above the trees, nice and smooth. Do you have any access via an app to anything from your system? @wesleyp1874

5 months ago
Forum
Solar Photovoltaic (PV)
Reply
RE: To relocate or add extra PV panels..advice required

What does your Suncalc website say for June sunshine? Our neighbours have tall trees but in the 6 months of summer we still get good generation. Thi...

5 months ago
Forum
Solar Photovoltaic (PV)
Reply
RE: The EPC Dilemma: How Current Ratings Fail Heat Pumps

The government has just closed a consultation on the principles of updating the EPC. See here/p> And will further consult on the details (as stated ...

5 months ago
Forum
Government Schemes, Regulations, Planning & Organisations
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