Forums

Forums
Members
trebor12345
Activity
 
Notifications
Clear all

Joining the Renewable Heating Hub forums is completely free and only takes a minute. By registering you’ll be able to ask questions, join discussions, follow topics you’re interested in, bookmark useful threads and receive notifications when someone replies. Non-registered members also do not have access to our AI features. When choosing your username, please note that it cannot be changed later, so we recommend avoiding brand or product names. Before registering, please take a moment to read the Forum Rules & Terms of Use so we can keep the community helpful, respectful and informative for everyone. Thanks for joining!

trebor12345
trebor12345
@trebor12345
Member
Estimable Member
Joined: Feb 26, 2024
Last seen: Apr 14, 2026
Profile Activity
Topics: 12 / Replies: 130
AllTopicsReplies
Reply
RE: Air Changes per Hour - ACH and the MCS requirement

MatWin I am also a B. Below is a summary of our heat loss. Staggered by the ventilation loss. I would estimate only 500 watts or 0.1 ACH. Base on t...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Air Changes per Hour - ACH and the MCS requirement

I didn't word the above question very well. I am trying to see what the 0.5 ACH old standard would mean to a 2024 built building with a Air permeabil...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Air Changes per Hour - ACH and the MCS requirement

Has anyone had a heat loss calculation to the 2025 standard? The firm I am using for my new HP is still using a building figure of 0.5ACH.

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
SAP Report
3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 0
Views: 223
Reply
RE: Replacing my 18 month old Hitachi Yutaki ASHP

A big thank you to @jamespa for all his efforts online and via private message, he really does go all out to help. Hitachi visited today to address t...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Post-Traumatic Heat Pump Stress Disorder

Mars Excellent article. Love the term Post-Traumatic Heat Pump Stress Disorder (PTHPSD). I also monitor my HP "Like a Patient on Life Support".

3 months ago
Forum
Government Schemes, Regulations, Training, Planning & Organisations
Reply
RE: Replacing my 18 month old Hitachi Yutaki ASHP

@jamespa My mistake this was not the flow temperature chart, but my refrigerant temperature, it shows better what the heat pump was doing. Below i...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Replacing my 18 month old Hitachi Yutaki ASHP

Yesterdays run 8th Dec. Chart is showing flow temperature. The HP didn't like a set temperature of 29C. Very little on periods. Lots of temperatur...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Replacing my 18 month old Hitachi Yutaki ASHP

I have been experimenting with different flow temperatures to help facilitate the setting up of WC. Todays run was the lowest temperature I have used...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Grant Aerona Short Cycling

I am so envious, your are so fortunate to have all of the data at your finger tips!!  

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Replacing my 18 month old Hitachi Yutaki ASHP

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Replacing my 18 month old Hitachi Yutaki ASHP

I didn't run the heating over night. Only just now switched on. All I can add on the defrost is that the refrigerant temperature does drop as it go...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Page 3 / 12
Share:

Join Us!

Worth Watching

Latest Posts

Members Online

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