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Adrian

@adrian

Member

Trusted Member

Joined: Oct 15, 2024
Last seen: Mar 5, 2026

Topics: 1 / Replies: 37

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RE: Mixing of pipework/components' with different internal dimensions - theory vs reality/practical approach

Maybe the analogy is imagining that cars could just drive faster through those single carriage section. All that acceleration and extra friction would...

1 year ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Heat pump quotes: Advice needed

My answers to your initial questions: 1. They are all close enough and match your usage figure to be right. I’d say the not so local firm is wrong t...

1 year ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Totally bewildered with my ECO4 heat pump installation

it’s because there are 10kwh hiding in every Liter of oil.

1 year ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Totally bewildered with my ECO4 heat pump installation

Hi, I think partly the problem is the immediate feedback that the electricity meter provides, versus the oil boiler where (I presume) you just get the...

1 year ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Is My Midea Heat Pump Inherently Defective?

No answers here, just some observations. Your flow temperature is reasonably high, which maybe indicates slightly smallish radiators and would give ...

1 year ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Agile: average import cost vs other tariffs?

I’ve got: 5kW heat pump, but only 2.5kW heat loss, so max consumption of 2.5/3=0.75kW from the heat pump. 9.5kWh battery. Solar doesn’t produce a...

1 year ago

Forum

Electricity, Tariffs, Monitoring, Electrics & Providers

RE: Double heat pump for DHW?

I don’t think there is a problem. Given a water saving shower head and a 5 minute shower, that’s: 4l/min x 5min x 5 = 100l. So even the smallest 150...

1 year ago

Forum

Domestic Hot Water & Cylinders

RE: Heat loss calculators and spread sheets

just some comments by a door blower tester that they have never seen a higher value than 1 and the fact that in my calculations I could only get close...

1 year ago

Forum

Safety, Regulations, Tools, Plumbing & DIY Installations

RE: Heat loss calculators and spread sheets

I agree, it is weird that we are suppose to trust this whatiffery, but not our own usage data. after all, as was stated above, assuming a linear relat...

1 year ago

Forum

Safety, Regulations, Tools, Plumbing & DIY Installations

RE: Heat loss calculators and spread sheets

I’ve used a few and in my estimation: * heatpunk.co.uk - nice and visual and good usability. * carno.io - no floor plan but otherwise nice and easy ...

1 year ago

Forum

Safety, Regulations, Tools, Plumbing & DIY Installations

RE: Boxt Heat Pump Installation Experience

Yes it was £11,099 - £7,500 =£3,599.00 £3,599.

1 year ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Air source heat pump roll call

Forum Handle: adrian Manufacturer: Vaillant Model: Arotherm plus 5 Type: ASHP Arrangement: Mono Area of Country: Oxfordshire Home Type:...

1 year ago

Forum