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cathodeRay
cathodeRay
@cathoderay
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Joined: Feb 28, 2022
Last seen: Aug 15, 2025
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Topics: 17 / Replies: 2075
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Reply
RE: Heat loss calculators and spread sheets

One problem with the Freedom one is that there are a lot of hidden cells where all sorts of things happen. Un-hiding them is not for the faint-hearted...

8 months ago
Forum
Safety, Regulations, Tools, Plumbing & DIY Installations
Reply
RE: Heat loss calculators and spread sheets

This is not uncommon. The Freedom calculator makes all sorts of assumptions, any of which may be wrong. An empirically derived heat loss ie how many k...

8 months ago
Forum
Safety, Regulations, Tools, Plumbing & DIY Installations
Reply
RE: Getting the best out of a heat pump - is Homely a possible answer?

Bit of a red flag in my book. OK, £100 off, but only if you sign today...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

Very telling!

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Getting the best out of a heat pump - is Homely a possible answer?

@starkers - just wondering if you have made any progress in getting at your raw data?

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Getting the best out of a heat pump - is Homely a possible answer?

Beware of expectation bias! It may be better to wait and see what actually happens. For example, as documented above, Homely can prioritise making use...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Midea 16kW R290 ASHP with plans for battery, PV and monitoring

Modbus and RS485 are just parts of the same thing, just two bits of the connection. The Wifi connection is flaky and the Midea App even flakier. Wir...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: In the Bleak Midwinter... Midea heat pump performance, poor COP and windchill in action

Thanks for your interest. It hasn't really been tested yet. The recent modification to the code was to deal with a rather specific circumstance, a rap...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Midea 16kW R290 ASHP with plans for battery, PV and monitoring

We cross posted!

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Midea 16kW R290 ASHP with plans for battery, PV and monitoring

Midea heat pumps have a modbus connection in the wired controller, see your wired controller manual for details. If you are familiar with Arduino/Rasp...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Getting the best out of a heat pump - is Homely a possible answer?

@starkers - not a problem. If I am not teaching grandmothers to suck eggs - if you are using a standard desktop browser, look for Developer mode and t...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Getting the best out of a heat pump - is Homely a possible answer?

That is good news. If you can find the script/code that does the plot, it will have a line in it that grabs the data, and that will tell you where it ...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Page 39 / 175
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