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Last seen: Nov 10, 2026
My heat pump frosting up this mormning. Outside air temperature 3.4 C, humidity 94%. Prepare for large KWh consumption today. Mike
I love it. A perpetual motion machine. Mike
@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...
@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...
@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...
@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...
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 ...
The recommendations for improving a rating are often laughable. A friend has a farmhouse (277m2 floor area) with plenty of surrounding land. The bu...
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...
I lost the main circuit board about 4 years ago on my ASHP. I was never sure why but it was expensive to replace. We live in a rural area with relat...
It's almost 7 years ago now and I got nothing other than the manufacturers operating instructions, which are aimed more at the installer than the end ...
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Degrees of Separation
Latest Posts
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RE: Plug and play solar. Thoughts?
Impressions so far from the one I've installed are that...
By EtchedPixels , 26 minutes ago
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@batpred The Daikin temperature probe protrudes from th...
By Toodles , 4 hours ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
@editor And as an occasional contributor, may I say wel...
By Toodles , 6 hours ago
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RE: Should Households Who Can Afford It Pay More for Energy to Help Those Who Can't?
They don't have to try. Our entire system is d...
By EtchedPixels , 6 hours ago
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RE: Why don't people choose heat pumps?
Fair enough. I guess I was thinking of pipes that run ...
By JamesPa , 6 hours ago
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RE: How Can I Prove Coal Was My Main Heating Source Without Receipts?
Got excepted for the grant now so thanks for the replie...
By Chilli304 , 10 hours ago
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Daikin Altherma 3 R F+W, room thermostat control, weath...
By JanHarley , 11 hours ago
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RE: Buffer tank on a 2 x 14kw Ecodan system
Pretty much as I had guessed in my crude scaling from m...
By JamesPa , 14 hours ago
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RE: Help me keep the faith with my air source heat pump installation
Well you have a vibration generator running at some fre...
By bobflux , 1 day ago
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RE: Who's your electricity provider and what's your tariff?
@downfield Thats a decent rate, I’m shocked they hadn...
By Papahuhu , 2 days ago
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RE: Adventures in heat loss calculations
@toodles thanks! So as suspected, around a doubling of ...
By SusannaSaunders , 2 days ago
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Six books in three years and I think I’ve now covered j...
By Mars , 2 days ago
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RE: Grant Aerona3 13kw - Buffer Tank - Heating Journey
@heymikey Well done in achieving as nearer a match acro...
By Toodles , 3 days ago
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