Last seen: Jan 9, 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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RE: Fan is clipping ice build up from the front of unit.
@westkent Thanks. Do you remember what that sensor was ...
By Papahuhu , 5 seconds ago
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RE: New Mitsubishi Ecodan 11.2kW installation - L9 errors and maybe more
Hi @jamespa - thank you again. Yes, I think it pro...
By anotherdaveuk , 49 minutes ago
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RE: ASHP Energy Consumption: Aira 12kW heat pump
Indeed. Present ToU tariffs are based on national sup...
By Transparent , 52 minutes ago
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RE: Help me keep the faith with my air source heat pump installation
@adamk I'm observing my own system at low temperatures ...
By dr_dongle , 1 hour ago
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RE: Recommended home battery inverters + regulatory matters - help requested
Earthing is definitely a subject which is best approach...
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RE: Running from backup generaor in powercut?
Right on topic, Storm Goretti has done its thing and we...
By Mars , 2 hours ago
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RE: Free Ecoheat Heat Pump Install
@deltona Yes older houses are problematic like that, bu...
By bontwoody , 21 hours ago
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RE: Radiator sizing sanity check
As I mentioned early on the cost of supplying and fitti...
By JamesPa , 23 hours ago
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RE: Advice for a novice on Mitsubishi Ecodan 6kW
I hadn't spotted that there were two pumps in the UFH (...
By JamesPa , 1 day ago
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RE: Setback savings - fact or fiction?
Never assume it makes an ass of u and me! You need the...
By JamesPa , 1 day ago
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RE: Electricity price predictions
Great point, one of the key ones in my chat with Octopu...
By Batpred , 1 day ago
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RE: New Fogstar 15.5kWh upright solution
Let me point out that there are many Chinese suppliers ...
By Transparent , 2 days ago
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RE: Weather compensation- why you should use it
@majordennisbloodnok — The Two Ronnies Mastermind sketc...
By cathodeRay , 2 days ago
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Just realised that this image of the cylinder cupboard ...
By Sheriff Fatman , 2 days ago
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RE: Rodents! A word of warning for heat pump owners
Two thoughts: 1: Let's ask @david-s if Primary Pro in...
By Transparent , 2 days ago
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RE: Solis S6-EH1P8K-L-PLUS – Why I Chose It and What I’ve Learned So Far
In the diagram below, I describe my understanding of th...
By Batpred , 2 days ago
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I need to have a look out for it. I know IBM feeds some...
By Batpred , 2 days ago
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RE: Daikin Atherma ASHP Cycling 6 Times an Hour?
Thanks for your reply. Yes that's a good idea to try a...
By John Marshall , 2 days ago
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RE: Hot water heating in parallel with space heating
An external heat exchanger would need a pump which woul...
By bontwoody , 2 days ago

