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IanMK13
@ianmk13
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Reputable Member
Joined: Feb 18, 2023
Last seen: Sep 5, 2025
Profile Activity
Topics: 8 / Replies: 186
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RE: ÀSHP heat loss - how close to perfect can we get?

I'm still running on my gas boiler and have been analysing my half-hourly gas use (and OAT, IAT, flow temp and return temp) for almost two years. I co...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Simulation of ASHP with Gas boiler as part of decision process

I haven't read your full system details, but perhaps the heat delivery is restricted (by pipe gauges and emitter dimensions, etc).

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: The good, the bad and the not that great – my heat pump installation

Quite. They have families to support so must spend their time effectively.

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My British Gas – Heat Force ASHP Installation: A Frustrating Experience

@tomaszw For ASHP, in particular, my use of a reputable designer and installer is a given (most likely a Heat Geek). It's also the details that are im...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My British Gas – Heat Force ASHP Installation: A Frustrating Experience

@tomaszw This is my nightmare. Although I would never consider buying from BG, your experience is doing a good job of deterring me from me from instal...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pumps don't work: debunking myths & misconceptions

I applied for my G99 last November. Largely as a result of delays caused by NGED my PV installation wasn't until 1st July. Largely as a result of de...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Solar Edge Inverters, returns recycling policy

and the EU WEE directive on which the UK version is based. A quick Google suggests that it's the local distributor who is responsible for WEEE compl...

11 months ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Simulation of ASHP with Gas boiler as part of decision process

@jamespa Yes, I’m following the other thread too. The 2900 rule of thumb is from Protons for Breakfast (and we tend to set the thermostat higher ...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Simulation of ASHP with Gas boiler as part of decision process

Further thoughts on this.... In recent years my gas use (including DHW, gas hob and very occasional wood burner effect gas stove) has been around 30...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Are Octopuses Slowing Consumer Adoption of Heat Pumps?

@davesoa My radiators appear to have been well-specified for the total house heat loss, but at ΔT50. I'll be needing to replace all mine, too. At so...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Simulation of ASHP with Gas boiler as part of decision process

Degreedays on the bottom and daily energy on the left. It suggests a 12kW heat source may be appropriate. This compares with a heat loss of 11kW from...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Are Octopuses Slowing Consumer Adoption of Heat Pumps?

@davesoa Did he have any comments on your existing radiators? I've already concluded that I will probably need wider bore 'tails' in the airing cupb...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
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