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Scalextrix
@scalextrix
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Estimable Member
Joined: Sep 26, 2024
Last seen: Sep 11, 2025
Profile Activity
Topics: 6 / Replies: 74
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RE: Simulation of ASHP with Gas boiler as part of decision process

Yeah I tried running 24/7 last year and it was very expensive, seemed to use a lot more gas, probably because we have no weather compared, causing sho...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
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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...

12 months 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...

12 months 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...

12 months 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

12 months 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...

12 months 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...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Simulation of ASHP with Gas boiler as part of decision process
12 months ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 136
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