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HJD
@hjd
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Estimable Member
Joined: Nov 12, 2021
Last seen: Oct 24, 2024
Profile Activity
Topics: 6 / Replies: 34
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Reply
RE: 200 + year old solid stone end terrace cottage

Hi @Mike H.Welcome to the forum. I don't now have a similar property myself but I can say that our annual energy requirement was surveyed at 13,000kwh...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: 2 bedroom bungalow with a Daikin ASHP

That does seem high levels of usage. To compare, we used about 50kwh on 28th Nov (yesterday) - which is c. £12 in money too - but we are heating a 6 b...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: ASHP in Hampshire

40Kwh here yesterday (Nottingham) - CH only

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Kev-M's ASHP Performance

@Kev-M - I am pretty sure that within the service settings of the FTC there is one for adjusting the thermistors, which I presumed to be to allow for ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Derek’s heat pump modelling tool

I will give it a go as we have a very similar system....just need to get my head around Derek's sophisticated spreadsheet!

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: 14kW Ecodan system installed in a 370sqm new build

@derek-m I am fairly pleased with a CH COP of 3.7 under this new 'weather compensation' approach. I looked at last year's data, when the ASHP was rely...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: 11.2kW Mitsubishi Ecodan replacing LPG boiler

On weather compensation, that is what I currently have running and it seems to be coping well so far but as you say, we haven't really been tested (ye...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: 11.2kW Mitsubishi Ecodan replacing LPG boiler

I agree with @batalto - your KWh figures @peterr look like they could be delivered rather than consumed. For comparison, mine is about 300kwh consumed...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: 11.2kW Mitsubishi Ecodan replacing LPG boiler

Hi Peter. Welcome to the forum. I too have a the Ecodan but the 14kw. Can I ask, do you have the package with the pre-plumbed cylinder?

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: 14kW Ecodan system installed in a 370sqm new build

@derek-m Indeed - definitely a D- for effort!I calculated the COP on the Central Heating which is running at 3.7. The DHW is much worse - around 1.6

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: 14kW Ecodan system installed in a 370sqm new build

Hi all thanks for the comments. Before everyone leaps to conclusions about the amazing performance I have to admit to a typing error at 7am this morni...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: 14kW Ecodan system installed in a 370sqm new build

@siko Good question. We didn't specify it so not entirely sure who did the calcs. That said, for 7-8 months a year it only has to deal with hot water....

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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