Last seen: Jun 27, 2025
Pretty much all of that is true for us…. I proposed the idea, my wife wanted a Combi as her friends had them. I stupidly designed for an indoor temp...
Blown bonded eps beads in that cavity, that’s definitely something you should do. are you active on buildhub?
@togfather as I said before, you won’t beat oil with a heat pump….. Oil really is the cheapest heat source out there. Anyway, back to the original i...
Swimming pool heat pumps often lack the reversing valve to do a defrost…. Mine certainly does. you’d be much better off using a mini split, gutt...
@iancalderbank we can argue with installers on Linkedin about how they're mostly incompetent 😀
@bontwoody My self install seems to be working nicely too, despite me ignoring the manufacturers instructions and running it direct, open loop... I st...
@derek-m it’s interesting you discuss the changes in outside air temp as registered by the sensor, so commonly mounted on the evaporator guard. Mine...
@william1066 it’s a hard one to compete against, Oil…. Definitely the cheapest fuel source for home heating. I went into this with a break even with...
@jwilliams89 ah, ok you’re changing the sealed units. Gotcha. It might be possible, with a simple change of glazing bead to go for triple, In the exis...
@jwilliams89 sensible…. We’ve just completed an upgrade to triple glazing, it has made a big difference. Mainly because I supervised the measurement a...
Nothing wrong with 45 degree flow, that will be at the design outside temperature, which in your area might well be -2 or -5. After all, there needs t...
I think the Carel platform just calls this ‘coil temperature’…. It’s always below ambient when in heating mode, unless it has just done a defrost.
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Latest Posts
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RE: Post-Traumatic Heat Pump Stress Disorder
Sorry to heat that - it should be possible to improve o...
By JamesPa , 10 minutes ago
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RE: Heat pump not reaching flow temperature
@jamespa system design was for 40 degrees FT at -2 degr...
By DaveC , 13 minutes ago
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RE: GSHP WOES! Midland based engineer recommendations?
@editor That is very kind! Thank you so much.
By johnbroome , 18 minutes ago
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RE: Setback savings - fact or fiction?
I've now calculated the minute by minute energy flows d...
By cathodeRay , 20 minutes ago
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RE: Considering MLCP (Multi-Layer Composite Pipe) for ASHP
@iotum, this is a really good question and you’re right...
By Mars , 22 minutes ago
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RE: Recommended home battery inverters + regulatory matters - help requested
That matches the TN-C-S diagram here Your post crosse...
By JamesPa , 23 minutes ago
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RE: Rate the quality of your heat pump design and installation
@razz stick with it. There's loads of advice on here. ...
By Stopbar , 1 hour ago
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RE: ASHP Energy Consumption: Aira 12kW heat pump
@wally Hi I am not sure how large your house is b...
By TechnoGeek , 1 hour ago
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Please help with the settings ecodan
I have a 160 square meter house, first floor 6 radiator...
By nose1972 , 2 hours ago
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RE: Predicted Heat Loss & Needs from MCS calcs vs EPC vs actual
I've been thinking along similar lines to @tim441 from ...
By Sheriff Fatman , 2 hours ago
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Thanks, @technogeek. Good to hear about the accuracy. ...
By Majordennisbloodnok , 2 hours ago
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RE: Advice for a novice on Mitsubishi Ecodan 6kW
In my case it was a very specific pattern of behaviour ...
By Sheriff Fatman , 3 hours ago
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RE: Vaillant aroTherm not heating with many faults
@ashp-bobba Yeah I'll give it a go, will check filter...
By Anon67 , 3 hours ago
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RE: RDSAP10 effect on existing heat pump EPC rating?
@transparent Perhaps the names at the end of the docume...
By Toodles , 3 hours ago
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RE: Heatpunk Floor plan issues
@jamiejones85 A2A they will design on dynamic heat loss...
By ASHP-BOBBA , 4 hours ago
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RE: Fan unit Making terrible noise HELP!!
can you post a video looking inside, at and through the...
By ASHP-BOBBA , 4 hours ago
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RE: Power outages and storms: A surprisingly good DNO experience
Agreed, which is no more nor less than a customer shoul...
By Majordennisbloodnok , 21 hours ago
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RE: Running from backup generaor in powercut?
@batpred In our case, 3 times each day when the Octopus...
By Toodles , 22 hours ago
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RE: New Fogstar 15.5kWh upright solution
@batpred Here's the latest Fogstar ready built pack....
By Bash , 24 hours ago

