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DavidB
@davidb
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Joined: Jan 30, 2026
Last seen: Jul 24, 2026
Profile Activity
Topics: 6 / Replies: 55
AllTopicsReplies
Reply
RE: Heat Pump Operation in Summer - Valliant 7kW

We have had our heating off for the last month or so. Solar gain definitely warms us up during the day. The coldest days have resulted in 16C in the...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: End-of-Life Heat Pumps: How Do You Dispose of an ASHP in the UK?

@editor Thanks Mars. I look forward to the subsequent episodes. Can I assume you will post a notice when those episodes are released?

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Summer usage. Why is my Vaillant Aerotherm using so much energy on "heating"?

@andrewj Thanks for pointing out my obvious error - as you say 1kW over 5 days so not much. That said, I still don’t understand why any energy is goin...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Summer usage. Why is my Vaillant Aerotherm using so much energy on "heating"?
3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 3
Views: 280
Reply
RE: End-of-Life Heat Pumps: How Do You Dispose of an ASHP in the UK?

@ashp-bobba thanks for the response. For clarity, the outline plan is for the kit to be installed for a family member with relatively few £ involved ...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: End-of-Life Heat Pumps: How Do You Dispose of an ASHP in the UK?

Your topic raises my interest for a couple of reasons. Why, after only 7 years, has your pump died and needs replaced? I feel sure the reasons are s...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: DHW static losses

@jamespa thank you - that makes sense.

4 months ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: DHW static losses

@jamespa thanks James, seeing your graph is similar to what I seem to be experiencing is comforting. I appreciate your sharing the level of detail pro...

4 months ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: DHW static losses

@bobflux thanks for your focused thoughts. The tank is the Standard Unistor - not the slimline. The information plate is shown below The standin...

4 months ago
Forum
Domestic Hot Water & Cylinders
Topic
DHW static losses
4 months ago
Forum
Domestic Hot Water & Cylinders
Replies: 11
Views: 533
Reply
RE: Spent £1,000 Trying to Fix My Oversized LG ASHP, Now Considering Vaillant or Ideal. Advice Needed.

@ashp-bobba in reading your post, I did wonder where your stated 3 to 3.5kW heat loss came from? Was this a calculated figure or derived from operatio...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat Pump done right first time ?

It’s encouraging to hear a decent story. A couple of questions: 1. What range of COP is the system giving so far and at roughly what ambient tempe...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
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