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Scalextrix
@scalextrix
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Estimable Member
Joined: Sep 26, 2024
Last seen: Mar 3, 2026
Profile Activity
Topics: 6 / Replies: 121
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Reply
RE: Simulation of ASHP with Gas boiler as part of decision process

It was installed 18 years ago, plumber just used his thumb-ruler, not calculations. Though back then the house had draughts under doors, poor windows...

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

@johnmo understand, but I don't have a heat pump yet or weather compensation, all I can do is hard set flow rate to 50C. If there is a better way to...

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

@cathoderay in fact I think most of our current radiators are oversized for 70C flow. Most of the house was actually acceptable last winter at 50C flo...

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

@johnmo we could but I think they look a bit ugly

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

We tried the retrofit fans that stick with magnets to the rads a few years ago just for fun. While they were silent before putting on the rad, once t...

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

@jamespa thanks for the reply, we tried this last year and we couldn't keep the living room to the tropical temperature required, which actually led m...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Simulation of ASHP with Gas boiler as part of decision process
2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 136
Views: 40133
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