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batalto
@batalto
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Joined: Apr 9, 2021
Last seen: Jul 4, 2025
Profile Activity
Topics: 24 / Replies: 1067
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Reply
RE: New to Heat Pumps

Call and ye shall be heard. If its anything like mine - big IF - then you first unlock the controller and go to MENU FOR SERVICEMAN - CODE 234 ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP in Hampshire

Got a little warm in the house today - even my wife said so! So it must be true. I've adjusted the curve to 50@-4 and 25@16 this should be good enou...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Domestic wind turbines

From what I've read, you need a fairly large (and very tall) turbine for it to make any financial sense. Small scale turbines just aren't great based ...

4 years ago
Forum
Wind Generation
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RE: 9kW Grant Aerona

@mike-patrick I am in the view of everyone else here. You should do away with all the timed heating and do the whole house. If you zone it there is a ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Fine tuning your ASHP performance

@kev-m mine is measured in the unit. I can see exactly what it's current flow rate is on the controller and the unit measures heat delivered in its ap...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Fine tuning your ASHP performance

@kev-m I am not 100% sure you for you. But as long as you know the flow rate and the temperature you know the heat in KW. It takes 1W to heat 1cm3 of ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP in Hampshire

Today seems basically perfect in terms of heating. It's pretty much been a constant 21° in the house with a heating COP of 4.4. so far we've used 12kw...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14Kw Mitsubishi Ecodan ASHP

@rv3 this seems to be over double my Watts/m2 (30000/224 = 133w/m2) of power to heat your home. So first stop is weather comp to lower your temps. I'm...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Kev-M's ASHP Performance

@kev-m looks like it's 68w/m2 (11,000w/160m2) then, basically the same as our detached house (which was a bungalow originally). So we have very compar...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Kev-M's ASHP Performance

@derek-m by tracking your own power use vs ambient you'll be able to create your own heating curve. You could just use correlation - I'll see if I can...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Kev-M's ASHP Performance

@derek-m based on 13 degrees ambient I should have needed (delivered heat) 92kw (3.85kw/hr) yesterday to maintain temperature. I used 54kw at an avera...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Kev-M's ASHP Performance

@derek-m this is from my estimated house heat loss based on room by room assessment @ 10 degrees. However these figures just don't represent real worl...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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