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Mike Patrick
@mike-patrick
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Honorable Member
Joined: Mar 23, 2021
Last seen: Jul 22, 2025
Profile Activity
Topics: 18 / Replies: 154
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RE: Why EPC assessments & heat pumps are BS! Must-watch video

Matches my experience. EPC rates my ASHP as Poor. Although I must be fortunate in that my double glazing was rated Good. Overall I only achieved a D...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Electricity use for heat pumps - comparing homes and consumption

Many of the above , in my dreams. 2023, June 479, Nov 1,120, Dec 1,359, Jan 2024 1,491 These are total kWh per month from which you can subtract ...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Grant 13kW Aerona3 - issues getting zones to temp

@crimson My experience too. I never considered going online to discuss the performance of my gas central heating. It generally just worked - like my c...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: To zone or not to zone?

We run on WC but the UFH heating was set up with separate loops to every room. Each has its own thermostat, which provides the upper temperature limit...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Heat pump efficiency v Outside Air Temperature

@mattc Here's the same chart with the Excel exponential line added. I could subtract the background 8-10 kWh per day that is used when the ASHP is o...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Heat pump efficiency v Outside Air Temperature

@sunandair We leave the ASHP running at the same setting 24/7 (except when switched off in the summer or while away when its left on UFH only). We aim...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Heat pump efficiency v Outside Air Temperature

@cathoderay It's just manual collection of data. I read my MAxMin thermometer and the electricity meter once a day and input the numbers into Excel. ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Heat pump efficiency v Outside Air Temperature

@sunandair My data collection is very simple - to match my technical knowhow. Each day take one reading of my MaxMin thermometer and the electricity m...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Heat pump efficiency v Outside Air Temperature

@marzipan71 My temperature data comes from my own Max Min thermometer. This is carefully placed in the only point in the garden which is in the shade ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Heat pump efficiency v Outside Air Temperature
2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 30
Views: 3815
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RE: Interesting development on defrosting

This ties in with my post on the 5th. Air temperature today 2.4C (colder than on Friday) but humidity only 72% (was 94% on Friday). No frosting of...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Gravel driveway

We put down a gravel driveway 7 years ago on completion of the building contruction/refurbishment of the house. It was just mud and rubble. We used ...

2 years ago
Forum
DIY
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