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Old_Scientist
@old_scientist
Member
Honorable Member
Joined: Jun 16, 2024
Last seen: Apr 26, 2026
Profile Activity
Topics: 6 / Replies: 399
AllTopicsReplies
Reply
RE: External stat issue

Is it reading high or low? Measurement of the outside temperature will directly affect Weather Compensation where the target flow temps are determin...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Testing new controls/monitoring for Midea Clone ASHP

That does look like the OAT is dropping slightly due to the cooling effect from exhaust air. I see similar on my Samsung, who's OAT thermocouple is sh...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Who's your electricity provider and what's your tariff?

@toodles this is another advantage of being on IOF. When there is a 'free electricity' hour, if you are on IOF then Octopus will credit you with a 'fr...

8 months ago
Forum
Electricity, Tariffs, Monitoring, Electrics & Providers
Reply
RE: Big Changes Coming to Our Heat Pump System

If the goal is to deliver uniform heat around the property, I'm wondering why there are multiple zones, so like you I am interested to see Brendon's a...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mixergy Tank Failure

I agree with @jamespa. If you are not using the tank following advice from Mixergy, then I'd drain it as there's no point leaving it pressurised wit...

8 months ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?

I think either can be highly reliable or highly unreliable. We once lived in a new build and the gas boiler had numerous call outs over a 3 year per...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: COP is not the only measure of efficiency

We keep all our TRVs fully open using the whole house approach. When we are away in winter I turn the flow temps down to minimum and use the room ther...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: COP is not the only measure of efficiency

Indeed, this made me chuckle. After comfort (however you may define that), the most important factor is cost. My heat pump would run more 'efficiently...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Who’s Caved and Switched the Heating On Already?

This is, as I see it, the main downside to WC. It's purely reactive to the OAT with no knowledge or consideration as to what may be about to happen. ...

8 months ago
Forum
Your Home
Reply
RE: Who’s Caved and Switched the Heating On Already?

Hell no, October as a matter of principle. If I had my way, it would be the middle of October but I may have to settle for the beginning of the month ...

8 months ago
Forum
Your Home
Reply
RE: New Vaillant aroTherm Plus in black - When will it come to the UK?

Ooh, heat pumps in neon blue wrap 🤣 🤣 🤣  

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Samsung Controls

My Samsung Gen6 (probably same controller as yours) only stores annual data for the current year (2025) so there is no data for last year. Looking at ...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
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