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sussex-greenish
@sussex-greenish
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Eminent Member
Joined: Feb 21, 2025
Last seen: Jul 5, 2025
Profile Activity
Topics: 2 / Replies: 13
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Reply
RE: Compute heat loss from energy used

@jamespa Thanks again for the great comparison. Yes, I certainly was not considering the 9kW one! And I did notice they had the units wrong on there (...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Compute heat loss from energy used

... the property was built in aprox 2020, about 170 sq M, ground floor plus two above, the top floor being essentially a pre-converted loft room, but ...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Compute heat loss from energy used

Wow, thanks for that @jamespa! I actually did 15.0 degrees for the degree day output, so can adjust slightly. I have a feeling that a calculated he...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Compute heat loss from energy used

Thanks @jamespa for showing the variability. Unfortunately for me taking a gas meter reading involves a trip outside the house! I did gather data over...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Forum updates, announcements & issues

@editor Good work Mars!

7 months ago
Forum
Introductions, Forum Rules & Updates
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RE: Forum updates, announcements & issues

Mythic Beasts are great!

7 months ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: ASHP install contract and BUS grant money

Thanks @jamespa and @toodles. This company has done work for me before so I am pretty comfortable with them.

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Compute heat loss from energy used

Ok... I did another one, still not using the DegreeDays concept, but using another snapshot. From 11:55pm on March 3rd to 8:55am on March 4th I used 2...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
ASHP install contract and BUS grant money
8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 3
Views: 681
Reply
RE: Compute heat loss from energy used

but an AI gives me a slightly different value (maybe due to Calor rounding that L x 7.1 figure): To calculate the kWh from 2.39 cubic meters...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Compute heat loss from energy used

Hi @bobtskutter ! Thanks for your reply -- I'll have to take some time to digest it, some new concepts in there for me. The kWh figure I arrived at th...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Compute heat loss from energy used

according to degreedays.net, that 16th date (at Gatwick observation station) was about 14.3 heating degree days for the 15.5 base temperature. The 21s...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
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