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Johnmo
@johnmo
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Prominent Member
Joined: Jan 25, 2023
Last seen: Mar 11, 2025
Profile Activity
Topics: 2 / Replies: 422
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RE: ASHP - a few (probably dumb) questions about the lived experience

Heat pump sizing does matter, but not sure it matters as much as made out, with modulating heat pumps. An example above where a 12kW unit turns down 3...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: In middle of ASHP installation- a few Questions

First the ASHP has to sit sit level to with in the limit prescribed in the manufacturers instructions. The important bit about the weather compensat...

7 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

OP missed the make, Ideal from the model name 'LogicAir' So not really unknown

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP - a few (probably dumb) questions about the lived experience

Get that. But everyone of our relatives has a 13 tog duvet on the bed, we used to use low tog for summer and high for winter. We now use a low tog all...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP - a few (probably dumb) questions about the lived experience

if you are getting condensation in the heating season, your ventilation is a long way from being adequate. As you heat air, its relative humidity drop...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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...

7 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...

7 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...

7 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. ...

7 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...

7 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...

7 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?

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
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