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@heacol
Contributor
Prominent Member
Joined: Aug 6, 2021
Last seen: Oct 1, 2025
Profile Activity
Topics: 3 / Replies: 411
AllTopicsReplies
Reply
RE: Measuring your COP

@kev-m You are probably getting reasonable performance then.

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Measuring your COP

@kev-m, the problem is the hive, it is an expensive on-off switch. A TRV is useful to control the bedroom temperatures but must not be used anywhere e...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Measuring your COP

@batalto, no problem, you can listen to them and do what you are doing or try what I am saying and significantly reduce your running costs. The simple...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Measuring your COP

@batalto I have that manual and others, yours should be piped as per page 4 for best performance

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Measuring your COP

Heat pumps are not fossil fuel boilers, they are not a simple fire in a box. They are very complex, complicated pieces of equipment and have to be tre...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Measuring your COP

The nest is a basic on-off thermostat, it is not intelligent, it is as good as a light switch. The heat pumps sensor is a thermocouple which communi...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Measuring your COP

@derek-m, from what I can see, you can connect the second circulating pump and an internal temperature sensor to the broad in the unit, speak to your ...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Measuring your COP

@batalto, If you do not get rid of the Nest, do not bother to do anything, nothing will make a differance.

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Measuring your COP

@derek-m, you are correct, it is a great shame that the industry, most manufacturers and merchants are training people to install and commission heat ...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Measuring your COP

@batalto, Ideally, as your house has a relatively low thermal mass, it should be controlled with an internal thermostat connected to the heat pump con...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Measuring your COP

@batalto A couple of questions what is your heat distribution system? Radiators, under floor Do you have a buffer tank or system separator? What...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Scottish Borders ASHP

@gordonville Both are good units, the Valiant controller is very complicated whilst the Nibe unit is much easier to operate and has a built-in online ...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
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