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davidnolan22
@davidnolan22
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Joined: Jan 15, 2025
Last seen: Dec 12, 2025
Profile Activity
Topics: 0 / Replies: 135
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RE: Don’t Install a Heat Pump Until You Read This

This recent cold snap on mine has made we want to rip my heat pump out and go back to living in a cave. 2 years, numerous site visits, nothing chan...

4 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan ASHP Low COP and Unstable Compressor Frequency

its a little odd that your UFH comes back warmer than the rads. normally the other way around. if they are all fully open, the water might be travell...

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan ASHP Low COP and Unstable Compressor Frequency

Do you know your house heat loss? How many UFH loops you got? How many rads?

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan ASHP Low COP and Unstable Compressor Frequency

  Here is my last 24hrs, its very stable and steady. its likely complex why yours is doing what it's doing and without knowing the set up, wi...

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan ASHP Low COP and Unstable Compressor Frequency

that ASHP is working, from the looks of it, way too hard all day. I know you know this, but something is not right. where is the heat going?

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: UFH downstairs and radiators upstairs balancing question

@jamespa Hi, thanks for getting back to me. this week will be more interesting as its getting colder here is Sheffield. Can you explain the DT...

1 month ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Heat Pumps Without Grants: Would You Have Installed One & Will You Now?

There is no way I would have installed heat pump without BUS. Even with BUS I wish I’d kept a gas boiler. When I put in my heat pump, boilers were ...

1 month ago
Forum
Government Schemes, Regulations, Training, Planning & Organisations
Reply
RE: Renewables & Heat Pumps in the News

If the BUS goes, I see a lot of hest pump companies going bust. Im currently still trying to fix my install. Im now worried that if the BUS goes, the ...

1 month ago
Forum
Well & Truly Off The Grid
Reply
RE: UFH downstairs and radiators upstairs balancing question

@toodles   sorry, my bad. Its a 6 port LLH. of the 2 higher ones, the rad circuit is the lower of those 2.

1 month ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: UFH downstairs and radiators upstairs balancing question

@ashp-bobba Hi, thanks for reply. I've started to play, its still very warm outside so need it to get cooler, but I've closed 2 loops out of 9 w...

1 month ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: UFH downstairs and radiators upstairs balancing question

@ashp-bobba Can I pick you brain about mine 260m2 house. 2 x UFH manifold, one 150m2 manifold in new extension, one 50m2 in old gr...

2 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: UFH downstairs and radiators upstairs balancing question

@toodles   not yet. The UFH takes the slightly warmer flow due to its position on the low loss header.

2 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
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