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HCas
@hcas
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Reputable Member
Joined: Apr 8, 2024
Last seen: Sep 16, 2025
Topics: 2 / Replies: 109
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RE: Havenwise App Help & Forum Support – Get the Most from Your Heat Pump

@damonc If the heat pump controller is in a suitable area (e.g., living room, hall, etc.), we use the temperature reading from the controller. If it's...

7 days ago
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.

@morgan Fully agree with you. It shouldn't be the homeowner's job to do this. The installer should. When I went to site with @ashp-bobba some time ago...

1 week ago
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RE: Solar Thermal DHW and ASHP

@judith That makes sense to me! If I was in @alex_n 's shoes, I would look at solar PV + battery instead of solar thermal.

1 week ago
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.

I think this is an interesting observation and aligned with what a few of us have been saying for some time: the sensors are only as good as they've b...

1 week ago
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RE: Vaillant aroTherm Plus 10kW thoughts?

Good unit. And the 10 kW is the same as the 12 kW I believe. So if your installer has done a good heat loss, in theory you have some "headroom".

1 week ago
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RE: Ecodan & MelCloud scheduling

@westkent Feel free to take a look atif you feel limited by Melcloud. (Disclaimer: I'm the CEO of Havenwise)

2 weeks ago
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RE: Octopus tariffs - a quick comparison

Interesting comparison! Another good angle is the differences between seasons. Octopus Agile is relatively more attractive in shoulder months and su...

2 weeks ago
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RE: How Do I Know When the Hot Water Has Run Out?

What @jamespa said. Or: some DHW tanks have multiple temperature sensor pockets. You might be able to place an additional sensor in a pocket in the up...

3 weeks ago
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RE: Ecodan & MelCloud scheduling

Yes, the 2 are separate. To add to the complex design from Mitsubishi: If the heat pump is in "run" mode on the Mitsi controller, it will ignore th...

3 weeks ago
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RE: Commencing on an ASHP Installation Process

@sheriff-fatman , @jamespa , @ashp-bobba : Thanks for all the feedback and input! You touch upon the fact that DHW (domestic hot water) seems simply o...

3 months ago
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RE: Commencing on an ASHP Installation Process

@sheriff-fatman Good luck! 2 days is definitely short, curious how big the installation team will be.

3 months ago
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