Last seen: Oct 1, 2025
hmm interesting to know that you need to be logged in / signed up as an installer. I will have to remember that as I'm tempted to go down the Solar PV...
To report back on progress, I've had a good go with the V3.3. Freedom spreadsheet but get overall losses in the 11.5 kW to 14kW (70 - 90 W/m3) region ...
@bontwoody I'll be interested in hearing how easy it ends up being to set up the TOU to best use the tariff(s), a shame it wasn't enabled for you to s...
Thanks, I'll check it out. You mentioned you went with the Vaillant in the end as best fit. What criteria was this based on (out of interest)?
I think the lack of available HSE guidance other than that aimed primarily at commercial installations with a high likelihood of large, low turnover, ...
@abernyte Thanks, I've drawn out my house schematic (and associated rad list) and started a few initial measurements. I was going to start with the Fr...
@jamespa Thank you for the thorough reply, glad to hear they are a serious contender. They certainly seem to be a frequently installed model. Scrollin...
Obviously (as this thread proves) system design, installation and commissioning are massive factors in getting a usable heating system. Are there a...
Thanks for all the warm welcomes. @editor I think you’re right, best for me to start a specific thread relating to my ‘project’ @toodles – I believe...
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Latest Posts
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RE: Heat pump not reaching flow temperature
@davec Ive had a look at the screenshots. Lots of th...
By JamesPa , 18 minutes ago
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RE: Vaillant aroTherm not heating with many faults
When I had a series of apparently unrelated faults my i...
By JamesPa , 35 minutes ago
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RE: Considering MLCP (Multi-Layer Composite Pipe) for ASHP
OK, TBH I dont know enough about MLCP to comment with a...
By JamesPa , 3 hours ago
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RE: Predicted Heat Loss from MCS calcs vs EPC vs actual
My gut feeling is that the heat pump is right sized. ...
By Tim441 , 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 , 5 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 , 6 hours ago
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RE: Advice for a novice on Mitsubishi Ecodan 6kW
Hi @sheriff-fatman Cycling at 5C and below is usuall...
By RobS , 6 hours ago
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RE: New Fogstar 15.5kWh upright solution
@batpred Here's the latest Fogstar ready built pack....
By Bash , 8 hours ago
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RE: RDSAP10 effect on existing heat pump EPC rating?
@mike-patrick yes, even though the current system is ru...
By Tim441 , 8 hours ago
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RE: Solis inverters S6-EH1P: pros and cons and battery options
Solis confirmed that the S6 works with a single battery...
By Batpred , 8 hours ago
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RE: Who has a V2G EV installation
I am wondering if in any V2X, would the car battery eve...
By Batpred , 9 hours ago
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RE: Setback savings - fact or fiction?
Yes, by calculating it manually from the minute data, w...
By cathodeRay , 10 hours ago
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Fan unit Making terrible noise HELP!!
One of a pair of fan units on an Earth Save Classic II ...
By GutoFfowc , 11 hours ago
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RE: New Mitsubishi Ecodan 11.2kW installation - L9 errors and maybe more
OK. I think your system, which seems well designed, is...
By JamesPa , 12 hours ago
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RE: Heatpunk Floor plan issues
It's usually the complete opposite... seldom that Safar...
By Mars , 1 day ago
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RE: Fan is clipping ice build up from the front of unit.
@majordennisbloodnok I’ll not go there thanks! Toodles.
By Toodles , 1 day ago
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RE: Running my new Nibe ASHP efficiently
I'm new to the forum. Did you get a reply to this last ...
By Mike @ Camelot , 1 day ago
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RE: ASHP Energy Consumption: Aira 12kW heat pump
@grantmethestrength MCS requirements for DHW capacity h...
By Toodles , 1 day ago

