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JamesPa
@jamespa
Member
Noble Member
4143 kWhs
Joined: Apr 3, 2023
Last seen: Apr 29, 2024
Profile Activity
Topics: 4 / Replies: 682
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RE: ASHP Advice: High Temperature vs. Low Temperature Heat Pump For Microbore

I don't think that ot is necessarily the case that you buy a HT pump for it's HT capability or that the expectation is to run a HT pump at ht. Manu...

3 days ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: ASHP Advice: High Temperature vs. Low Temperature Heat Pump For Microbore

It's questionable whether zoning saves money with a heat pump. The saving in lost energy is quite small, and because you need a higher ft as a result...

3 days ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: New ASHP system - choices

Thats precisely the same conclusion as I have reached. I have challenged MCS on the method they promote. Their response was that they are aware of...

3 days ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: New ASHP system - choices

My property is 200sq m. Two MCS surveys each taking 3hrs came out at 16kW. They ignored fabric upgrades I told them about and double counted room to...

3 days ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: ASHP Advice: High Temperature vs. Low Temperature Heat Pump For Microbore

As an example I checked the specs for the 6kW R32 (medium temp) and R290 (HT) Ecodans. They have the same claimed scop at 55C. Obviously there wil...

3 days ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: ASHP Advice: High Temperature vs. Low Temperature Heat Pump For Microbore

This is an interesting statement. It suggests your current total emitter capacity is well in excess of demand. So by switching on more emitters you ...

3 days ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: ASHP Advice: High Temperature vs. Low Temperature Heat Pump For Microbore

I'm not sure that's strictly true. What is true is that its more expensive to run a heat pump at a higher flow temp than at a lower flow temperature,...

3 days ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: New ASHP system - choices

I lived in Cambridge for a while. That wind from Siberia really got to me.

1 week ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: MCS Heat Loss Calculations

Exactly. Hall, stairs and landing are just another room, like any other.

1 week ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: How to increase DHW water temperature on Samsung Gen 6 Control Panel

As you say that will almost certainly be the case with an 'older' (low or medium temp) Samsung model, but possibly not with the HT models. Vaillant,...

2 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: How to increase DHW water temperature on Samsung Gen 6 Control Panel

Which model Samsung. if its an older one and the max FT is 55, which is quite possible, then its equally possible that the DHW is limited to 55-5=50....

2 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Need a bit of help please: problematic heat pump installation

Nothing wrong with a bit of thermal mass unless you want to keep varying the indoor temperature, which is not generally how you aim to run a heat pump...

2 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
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