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JamesPa
@jamespa
Moderator
Illustrious Member
Joined: Apr 3, 2023
Last seen: Oct 12, 2025
Topics: 17 / Replies: 3039
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RE: Seal the Deal: Don't Let Your Heat Pump Leak Energy

Not sure what we are looking at, other than evidence of an installer who says 'here is a hole, let's shove everything inio it'  

2 weeks ago
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RE: Sizing - Save me from my headache

Mitsi 8kW has a 6kW variable and 2kW fixed compressor so presumably modulates down to the same as the 6kW. All Daikin models <= 8kW are same hard...

2 weeks ago
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RE: Help me keep the faith with my air source heat pump installation

Like you I dont see the really high cops but neither have I so far seen really low ones which is why I surmise Vaillant may be playing balancing games...

2 weeks ago
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RE: Help me keep the faith with my air source heat pump installation

My comments were based on what it says in the printed installation instructions, supplied with my heat pump in Nov 2024. These, to my mind trump any ...

2 weeks ago
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RE: Why does an ASHP provide a more comfortable environment than a gas boiler?

Balancing the emitters is the key to that, although the sharing of heat between rooms plus always on philosophy helps also.  

2 weeks ago
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RE: Why does an ASHP provide a more comfortable environment than a gas boiler?

@andrewj It sounds to me like you are onto the correct approach. If the app/pod acts like a traditional thermostat then the right thing to do is ...

2 weeks ago
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RE: Do I just go with the lowest quote for my heat pump?

Maybe, it depends on how Daikin use the information. If its operates essentially independently of the WC as an on/off signal to the heat pump, just...

2 weeks ago
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RE: Do primaries need anti vibration clips?

@adamk @ashp-bobba The vast majority of the time my 7kW Vaillant is whisper quiet. Even standing outside 3m from the front you can either not hear ...

2 weeks ago
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RE: Help me keep the faith with my air source heat pump installation

By way of encouragement I think you are right about the hum, its fixable.   Regarding the breakers I really wouldn't fret about these. Bes...

2 weeks ago
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RE: Do I just go with the lowest quote for my heat pump?

Welcome, you are asking very much the right questions!   The target flow temperature at low OAT (currently 40/-3?)   Whats the...

3 weeks ago
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