Renewable Heating Hub Heat Pump Forums

Search with Wattson
Forums
Members
alistairgbarron
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!

alistairgbarron
@alistairgbarron
Member
Eminent Member
Joined: Dec 3, 2022
Last seen: Dec 18, 2022
Profile Activity
Topics: 1 / Replies: 24
AllTopicsReplies
Reply
RE: ASHP Retrofit in a 2015 house with 10mm radiator tails

@cathoderay Problem at the moment IMHO is that there are precious few good installers and too many double glazing salesmen. And they must be MCS cert...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP Retrofit in a 2015 house with 10mm radiator tails

@derek-m Perhaps it’s me, now I have had a play with your spreadsheet, but if I reduce the DeltaT water temp to 30C the output falls off a cliff to 21...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP Retrofit in a 2015 house with 10mm radiator tails

@derek-m thx for that. I’ll apply those equations to my radiator table. Meanwhile just putting in my total radiator output and my heat loss gives me a...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP Retrofit in a 2015 house with 10mm radiator tails

@cathoderay the kitchen and lounge have 2 rads but 1 heat loss and all the numbers stack up. I have 2 spreadsheets for heat loss so I am making sure...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP Retrofit in a 2015 house with 10mm radiator tails

@derek-m I'll look at the data and get a representation and yes - its a WB 42CDi so 92%

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP Retrofit in a 2015 house with 10mm radiator tails

@cathoderay so I have done as you suggest. Heat Loss Q with a DeltaT of 30C (-5C to 25C) my whole envelope heat loss came to 5400w and room by room ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP Retrofit in a 2015 house with 10mm radiator tails

@derek-m EDF installed smart meters a year ago so I could do just that. Despite revisits the gas meter never worked and apparently won't until they co...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP Retrofit in a 2015 house with 10mm radiator tails

@cathoderay thx, I'll give that a go later - could be interesting.

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP Retrofit in a 2015 house with 10mm radiator tails

@transparent you want weather data? I can give 3 years of history and real time from a Davis VP+ station data and graphs e.g.. Solar thermal isn't...

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

@julianc Hi, our boiler temp has always been set at around 50C and it heats the house just fine. It only goes above that if there has been HW demand.

4 years ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: Say hello and introduce yourself

@transparent - Thx. I have just made a detailed post to the ASHP section here. I do have a recent EPC but of course that tells you nothing. I did a ...

4 years ago
Forum
Introductions, Forum Rules & Updates
Topic
ASHP Retrofit in a 2015 house with 10mm radiator tails
4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 45
Views: 19020
Page 2 / 3
Share:

SPONSORS

Join Us!

Installer Finder

Degrees of Separation

Latest Posts

SPONSORS

Click to access the login or register cheese
Protected By
Shield Security PRO