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JamesPa
@jamespa
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Illustrious Member
Joined: Apr 3, 2023
Last seen: Sep 13, 2025
Profile Activity
Topics: 17 / Replies: 2841
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RE: External Building - Extending ASHP vs Infra-Red Heating

An Aircon unit is an air to air heat pump. I think you already have all you need. A2A should get you good cop so should save relative to the ir heat...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: External Building - Extending ASHP vs Infra-Red Heating

I would say its difficult to say. However 12m is a long way to run pipes, particularly if you decide to go underground (which you probably want to to...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Government announces removal of planning permission rules for ASHPs

I read another report which says that the changes in PD also include increasing max volume to 1.5cu m and allowing 2 heat pumps on detached houses. N...

10 months ago
Forum
Government Schemes, Regulations, Planning & Organisations
Reply
RE: Ecodan cycling

The efficiency gain through weather compensation gets less at low flow temperatures, and is probably around 2% per C or less at 32 and you are already...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Increase floor temps for UFH, Samsung Gen6

4 hours isn't very long, houses have a large heat capacity (ie energy stored in the fabric) and can therefore take a day or more to reach a steady tem...

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

Welcome to the forum, you will find that people here are very willing to help. To answer this properly we need to know a bit more eg what was the as...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: More Samsung weather compensation oddities (8kW Gen6)

Sensible IMHO, varying the target FT might give a clue!

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: More Samsung weather compensation oddities (8kW Gen6)

OK I must admit Im a bit stumped. Reducing it to its basics, the heat pump does not appear to be reaching the flow temperature you have told it t...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: More Samsung weather compensation oddities (8kW Gen6)

OK. It does sound like its possibly the system not the heat pump, thats limiting the output, and since room temp has dropped then there quite possibl...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Column radiators for heat pump

Radiator manufacturers generally provide either outputs at lower temperatures, an equation, or the 'exponent'. For radiators other than fan radiators...

10 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: More Samsung weather compensation oddities (8kW Gen6)

A few questions might help point us in the right direction: Is the buffer tank plumbed 2 port or 4 port? Is there a secondary pump on the emitter ...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Samsung Gen7 setup

Not irrelevant, but you shouldn't be throttling all radiators just to increase delta t, that achieves nothing other than to make the pump work harder ...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Page 137 / 239
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