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HughF
@hughf
Member
Noble Member
2858 kWhs
Joined: May 2, 2022
Last seen: Apr 28, 2024
Profile Activity
Topics: 7 / Replies: 463
AllTopicsReplies
Reply
RE: Vaillant Aerotherm plus does not reduce flow rate despite low delta T

The secondary pump won’t be pwm controlled, I assume? Why do you have a buffer and secondary pump anyway?

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Daikin Altherma ASHP help needed – Radiators are not heating up

That’s a daikin hybrid system which uses an intergas boiler as the gas fired bit. looks like it’s firing at 31 degrees flow temp, which is probably ...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Meetup at Installer show ‘24

25-27th June at the NEC.

2 months ago
Forum
Well & Truly Off The Grid
Reply
RE: Real world running cost estimate for 20KW ASHP

@thebarn massively oversized for the heat demand then… Have you seen the heat loss calcs the quoting company have produced?

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Real world running cost estimate for 20KW ASHP

25,000kWh over 6 months, at 23hrs/day of heat input (allowing 1hr for dhw) gives you a continuous heat input of just over 6kW. I bet you could get a...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Problems with Daikin 18 kW High Temp ASHP

Every Daikin data sheet I’ve seen says 60 max…. And Daikin are keen to use their built in backup heater at every opportunity, so we see quite a lot of...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: The weakest link – components of an installation team

Project management is a hard task…. My sister has made a career out of in and it’s all encompassing. She works in the charging infrastructure space fo...

2 months ago
Forum
Well & Truly Off The Grid
Topic
Meetup at Installer show ‘24
2 months ago
Forum
Well & Truly Off The Grid
Replies: 2
Views: 119
Reply
RE: Problems with Daikin 18 kW High Temp ASHP

Radiator upgrades really are something that people should do… a 600x1200 type22 is about £75 from Screwfix, comes with fresh new white paint, no sludg...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 4 Year Ongoing Heat Pump Battle

Just to bias the conversation the other way, my retrofit install in an old house with marginal 50mm cavities works perfectly. The house is larger (we ...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Why are heat pumps so hated?

Unfortunately most people seem to think that if it costs more money, it must save money….. this doesn’t help when comparing things to a gas combi swap...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Why are heat pumps so hated?

Working my way through this…. One thing I would say, when everyone says ‘they don’t work’ what they mean is ‘they don’t cost less than a gas boiler’. ...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
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