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ajn9000
@ajn9000
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Joined: Apr 13, 2024
Last seen: Mar 4, 2025
Profile Activity
Topics: 2 / Replies: 22
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Reply
RE: Gas Combi to ASHP - Making sense of survey results and proposal.

Also, to satisfy the inner control freak you could ensure that Open Energy Monitor is installed so you have lots of accurate data! Having that discus...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Gas Combi to ASHP - Making sense of survey results and proposal.

This series is very good - to see a very poor ASHP install transform into a good one ... (325) Is a Heat Pump Cheaper to Run Than a Gas Boiler? - ...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Gas Combi to ASHP - Making sense of survey results and proposal.

Hi Ian Re buffer tank: we have a Stiebel Eltron ASHP with 100 litre buffer tank. SE are happy to work with installers to design a system with or wi...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Gas Combi to ASHP - Making sense of survey results and proposal.

Seems reasonable to me without going through the figures in detail. Can't comment on £££. The most important thing re design is to get your flow tem...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Gas Combi to ASHP - Making sense of survey results and proposal.

What did the heat loss survey say for your total heat loss [W] at design temperature?

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: The EPC Dilemma: How Current Ratings Fail Heat Pumps

@toodles your EPC is a limited tool that needs to be affordable to produce - hence it heavily relies on modelling. It is geared to produce a rating, ...

2 years ago
Forum
Government Schemes, Regulations, Planning & Organisations
Reply
RE: The EPC Dilemma: How Current Ratings Fail Heat Pumps

This is a known problem and IMO is taking far too long to sort out. The problem exists right at the top of the tree with the UK standard/methodology ...

2 years ago
Forum
Government Schemes, Regulations, Planning & Organisations
Reply
RE: Say hello and introduce yourself

@transparent thank you for your comments. Sorry - the 300 litre tank is just for DHW. The 100 litre buffer tank is on the heating circuit which is c...

2 years ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: Stiebel Eltron Servicewelt COP figures compared with OpenEnergyMonitor

@shaeney thank you. SE have 2 portals. The standard offer is very basic - connects to the WPM (HP manager/controller), but the online portal is much...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Stiebel Eltron Servicewelt COP figures compared with OpenEnergyMonitor

no - just have a meter on the supply

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

Hi have just joined the forum. Installation is Stiebel Eltron WPL25 ASHP (15kW), 100 litre buffer, 300 litre DHW, UFH ground floor, rads first floor....

2 years ago
Forum
Introductions, Forum Rules & Updates
Topic
Stiebel Eltron Servicewelt COP figures compared with OpenEnergyMonitor
2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 4
Views: 1730
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