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Johnmo
@johnmo
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Noble Member
Joined: Jan 25, 2023
Last seen: May 24, 2025
Profile Activity
Topics: 2 / Replies: 537
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RE: ASHP - a few (probably dumb) questions about the lived experience

Correct but I am not sure octopus actually offer that. As they have a design flow temp of 50 degrees. Which is high in the heat pump world. Rather tha...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Octopus Cosy 6 installation (fan boy video)

But strange they are really sure what they install and say they actually check for glycol when they service. Different kit required to check glycol an...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Choice of heat pump - Help needed - Vaillant Arotherm versus Samsung versus Logic Air versus Grant Aerona

Inefficient noisy, not sure where that statement comes from? How efficient the heat pump is down purely to system design, many things screw with th...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Aira Heat Pump: Stylish Scandinavian Heating

From design guidance MCS requires weather compensation to be available on all space heating systems but does not stipulate how this must be set up. ...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Aira Heat Pump: Stylish Scandinavian Heating

If the radiator feels warm the flow temp must be above body temperature. So your system is running very hot for the current temperatures. Is it set to...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Advice needed on inefficient Samsung ASHP installation

I did a couple of days testing running weather comp and a fixed flow temperature with thermostat control on similar average temperature days, one bein...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How loud are the sound levels of internal components like water heater, buffer tank, etc. in an air source heat pump set up?

Is there flexible hoses between heat pump and the solid pipe?

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Octopus Cosy 6 installation (fan boy video)

Do your maths with Sunamp and ASHP. They used to do a low temperature one for heat pumps, but now they do not. So your heat pump has to be able to run...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Octopus Cosy 6 installation (fan boy video)

Think you found a sympathetic installer. As the grant rules state (2) A heat pump meets the suitability criteria in relation to the eligible propert...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Octopus Cosy 6 installation (fan boy video)

To get the grant you are supposed by the rules to heat your home and DHW via the heat pump. MCS then states the minimum sized based on number of bedro...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Advice please on controls for my Daikin 14kw 3H HT heat pump with 3H HT W internal unit and Megaflo cylinder

Low and slow is best, running like a gas boiler you will need a second mortgage. So weather compensation is best

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Advice please on controls for my Daikin 14kw 3H HT heat pump with 3H HT W internal unit and Megaflo cylinder

That's a low flow condition. Do you have lots of zones (thermostats) if so what's happening is the zones are closing off, and the circulation pump can...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
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