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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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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 (...

9 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 ...

9 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...

9 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...

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

@editor Good work Mars!

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

Mythic Beasts are great!

10 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.

10 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...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
ASHP install contract and BUS grant money
10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 3
Views: 893
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...

10 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...

10 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...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
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