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AllyFish
@allyfish
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Noble Member
Joined: Oct 31, 2022
Last seen: Sep 15, 2025
Profile Activity
Topics: 23 / Replies: 473
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Reply
RE: Very noisy Daikin Altherma

Hi again @sobo. That video is informative, the noise is the compressor discharge, the pressures are highest during hot water generation when the unit ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Octopus Cosy 6 launched

I've been in discussion with a few people today on this one. 75degC max LWT seems to fly in the face of perceived wisdom and best practise of lowest p...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP Heat Loss Calculations with Log Burner

Hi @AndyOrchard2, I would definitely challenge your surveyor on that one. Chances are whatever software they are using only has an open flue/open fire...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: EBAC re-entering the ASHP market in 2023

@abernyte Yes, very true. Valliant manufactures ASHPs in Belper, Derbyshire, Ideal (Group Atlantique) will manufacture ASHPs in Hull, East Yorkshire. ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: EBAC re-entering the ASHP market in 2023

Here it is, first manufacturer photo of Ebac’s U.K. designed and made ASHP. A bit quirky looking. Website and spec data goes live next week. Let’s...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Additional 6.5kW battery on order
2 years ago
Forum
Energy Storage
Replies: 16
Views: 2287
Reply
RE: Very noisy Daikin Altherma

@Sobo, you could ask your installer to provide their complete MCS020 acoustic calculation estimate to you, if you don't already hold it. P.16 onwards ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Very noisy Daikin Altherma

@sobo attach some pictures if you can please? It's a new install under MCS, the white noise of the fan impeller plus a hum (not a rattle) of the compr...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Very noisy Daikin Altherma

Manufacturer's noise levels are usually quoted dB(A) SPL @ 1m free field. This means no reflective surfaces such as walls or floors. It's an unrealist...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Zehnder ComfoPost CW6 with ASHP?

If you want to include cooling, have you considered air to air heat pumps? Depends on the number of rooms you consider needing cooling, and the visual...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Rota Disconnections

Modern monobloc heat pumps will not be harmed by power cuts. They don't have a refrigerant pump down system as the low charge quantity doesn't necessi...

2 years ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Solar Performance

@toodles thank you. Profile of your monthly generation matches mine. Last two months were a bit lower. Year to date solar production has been 2.9MWh. ...

2 years ago
Forum
Solar Photovoltaic (PV)
Page 26 / 42
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