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bontwoody
bontwoody
@bontwoody
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Noble Member
Joined: Mar 5, 2022
Last seen: Jul 13, 2025
Profile Activity
Topics: 29 / Replies: 807
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Reply
RE: ASPH Sizing Confusion

@squiff I have read in several places that it is better to slightly undersize a heat pump than oversize it as it improves efficiency. If you have lo...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mixergy HP Cylinder and Solar Diverter

@declan90 Just to clarify Declan, its the Mixergy App that doesnt see it, the Eddi App does. I also have an OpenEnergyMonitor system which I can highl...

2 years ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: New build, ASHP & UFH - advice please

@sicky Since noone has yet replied, Ill try and add my understanding of the situation. Zoning heat pumps is generally thought to be a mistake as it ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mixergy HP Cylinder and Solar Diverter

@Declan90 I have a 130lt mixergy cylinder powered only via my Eddi at the moment and two persons living here. So far I havent had any need to manual...

2 years ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: Solar battery size- advice please!

and if you have PV, that should reduce the drain on the battery in daylight hours. Its a complex mix of price v payback time, it will be interesting t...

2 years ago
Forum
Energy Storage
Reply
RE: Solar battery size- advice please!

Although sub-optimally it only has to power over the peak price period.

2 years ago
Forum
Energy Storage
Reply
RE: Solar battery size- advice please!

@toodles I will let you know after the winter 😁

2 years ago
Forum
Energy Storage
Reply
RE: Solar battery size- advice please!

Hi Katie, I’ve just gone on to the cosy tariff with a 5kWh battery. Remember you have two off peak periods a day so unless you think you will use more...

2 years ago
Forum
Energy Storage
Reply
RE: 17kw Grant Aerona heat pump questions about hot water and glycol

@shapingstuff Just realised my mistake, they are called refractometers not diffractometers 🙂

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 17kw Grant Aerona heat pump questions about hot water and glycol

I can’t answer all your issues but I will have a go at a couple. 3/ I can’t fathom that at all. The heat pump will easily have a COP of greater tha...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Am I alone in having heating on?

@Toodles Fear not, you are not alone 🙂

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Communicating with Huawei Inverter

@transparent I cant trace the cables as they go behind the supporting board and I would have to take off the whole thing. I will have a look at what w...

2 years ago
Forum
Solar Photovoltaic (PV)
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