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BobTSkutter
@bobtskutter
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Estimable Member
Joined: Jan 11, 2025
Last seen: Apr 7, 2025
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Topics: 1 / Replies: 93
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RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

Hummm....this depends on the type of compressor. For a typical positive displacement compressor (think medical syringe moving backwards and forwards...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

@transparent that's a great diagram to share, it shows the design trade off that go into system specification. Suppose we required 4kW of power to ...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

This thread is great! What do people mean by efficiency? It's a word that's often quoted in relation to heating systems, but do people really under...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Is My Midea Heat Pump Inherently Defective?

@jamespa please can you share the details of the fan coil you used. Thanks Bob

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Is My Midea Heat Pump Inherently Defective?

@cathoderay you're very welcome. If your living room radiator got warm when you had the system balanced with the lock shield valves pinched in then ...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Is My Midea Heat Pump Inherently Defective?

I was wondering how you were getting on. Are the pipes to living room radiator in a concrete floor? Do they have insulation? You're probably loosin...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Thread subscription.

An old thread, but please can the default subscription setting be set to "none". My email inbox is rapidly filling up with spam from this forum. I h...

6 months ago
Forum
Introductions, Forum Rules & Updates
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RE: 4 port buffer tank connections

Just dug this up with google A properly designed buffer vessel shouldn't be impossible to achieve. Bob

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Is My Midea Heat Pump Inherently Defective?

So, I'm thinking out loud here - this is a way I often approach solving complex problems: I've got a house at 10C and I turn on the heating. Where ...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: 4 port buffer tank connections

I don't own a heat pump, unless you count a fridge freezer. But it does appear as though the defrost operation of ASHPs isn't often spoken about. It...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: 4 port buffer tank connections

Yeh, I did really didn't I. Regards Bob

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is My Midea Heat Pump Inherently Defective?

Evening...I got the spreadsheet. Blimey, there aren't many people I know who know how to use named ranges - very nice 😉 It'll take me a while to g...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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