Forums

Forums
Members
JamesPa
Activity
 
Notifications
Clear all
JamesPa
@jamespa
Moderator
Illustrious Member
Joined: Apr 3, 2023
Last seen: Sep 9, 2025
Profile Activity
Topics: 17 / Replies: 2810
AllTopicsReplies
Reply
RE: Trying to work out COP

It doesn't directly contribute. The energy in basically powers the compressor (plus a bit for other things) and the energy out is the heat in the ga...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat loss calculators and spread sheets

Here is the measured data (2 years worth of half hourly meter data) my selection was based on. You don't need 2 years worth and the 24, 12, 6,3 hour ...

9 months ago
Forum
Safety, Regulations, Tools, Plumbing & DIY Installations
Reply
RE: Heat loss calculators and spread sheets

I have done various thing, basically my approach was 'do a sensible and practical upgrade whenever a room is decorated or the opportunity arises'. Ov...

9 months ago
Forum
Safety, Regulations, Tools, Plumbing & DIY Installations
Reply
RE: Heat loss calculators and spread sheets

Assuming you actually heat the house (which, admittedly, it sounds like you may not fully) a gas consumption of 16kWh and a heat loss of 18kW are not ...

9 months ago
Forum
Safety, Regulations, Tools, Plumbing & DIY Installations
Reply
RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

@mars - have you considered 'empty-chairing' the buffer tank advocate. It would send a very powerful message throughout the video without you having ...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

That's a shame as I was looking forward to the fireworks, but as you say it's a strong message which needs to be heard.

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

That will be fun!

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

Agree, and if there is a flow mismatch the question is 'why' and can it be eliminated using something without undesirable side effects. In most cases...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: MCS heat pump pre-sale information and performance calculation

Agree. I looked at daily vs OAT and peaks/distributions of 3, 6 and 12 hourly averages. The former gave me a figure, the latter (which were fairly s...

9 months ago
Forum
Government Schemes, Regulations, Planning & Organisations
Reply
RE: MCS heat pump pre-sale information and performance calculation

Yes, precisely that (at a specified outdoor temperature) A question I have been asking quite loudly (on this forum and elsewhere) for a year or m...

9 months ago
Forum
Government Schemes, Regulations, Planning & Organisations
Reply
RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

I am referring to Occams razor in the sense of cutting out the unnecessary and I explain this in my post. If its unnecessary (in a particular applica...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: MCS heat pump pre-sale information and performance calculation

Whilst I totally agree that an accurate heat loss determination is absolutely essential (and have made many comments about how unsatisfactory the curr...

9 months ago
Forum
Government Schemes, Regulations, Planning & Organisations
Page 124 / 237
Share:

Join Us!

Podcast Picks

Latest Posts

Click to access the login or register cheese
x Powerful Protection for WordPress, from Shield Security
This Site Is Protected By
ShieldPRO →