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Mike Patrick
@mike-patrick
Member
Reputable Member
1603 kWhs
Joined: Mar 23, 2021
Last seen: Mar 21, 2024
Profile Activity
Topics: 18 / Replies: 134
AllTopicsReplies
Topic
Heat pump efficiency v Outside Air Temperature
3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 17
Views: 666
Reply
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...

4 months 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 ...

4 months ago
Forum
DIY
Reply
RE: Interesting development on defrosting

My heat pump frosting up this mormning. Outside air temperature 3.4 C, humidity 94%. Prepare for large KWh consumption today. Mike

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is the Grant controller a thermostat?

I love it. A perpetual motion machine. Mike

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Our Grant Aerona R32 13kW ASHP installation

@marvinator80 I get Grant to come and service once a year. You don't need a service plan with them, just book one whenever you want. tbh I don't think...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is the Grant controller a thermostat?

@roamingbull This is getting a bit off-piste! We are going BA/American via Dallas. Staying at the Wort Hotel in Jackson. There's a regular shuttle/ski...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is the Grant controller a thermostat?

@roamingbull I'll stick with it for now. My total electricity bill is about £300 per month. If the ASHP worked like I think it should at low temps the...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is the Grant controller a thermostat?

@roamingbull I share your sentiments. My Grant ASHP spends most of its time in a cycle of frosting up and defrosting as the air temperature drops belo...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Do setbacks save energy without compromising comfort?

Tinkering with my Grant ASHP is beyond my technical abilities but I too noticed that last night was the coldest night of the season so far. Here in ...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Energy Performance Certificates (EPC)

The recommendations for improving a rating are often laughable. A friend has a farmhouse (277m2 floor area) with plenty of surrounding land. The bu...

6 months ago
Forum
Government Schemes, Regulations & Organisations
Reply
RE: Heat Pumps in Canada

Here's a link to another recent study of the efficiency of heat pumps at mildly low temeratures, from a number of countries. All very encoura...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
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