Last seen: Dec 18, 2025
Looks like a gents urinal at a music festival. Only a matter of time until someone pi$$es into it.
If the hydronic piping to radiators or UFH is correctly sized, there should be little noise. Noise tends to be caused by one or more of these factors:...
The problem with ducting or enclosing a ASHP is adding external static pressure (ESP) to the fan. The fan impeller is designed to move large volumes o...
Our log burner will be used for supplementary heating when the weather turns and the dark nights draw in. We don't really need to light it, but it's a...
Hi @Graham Brennand, Grant's installers don't seem very consistent on glycol. Grant recommend it, but a lot of their systems, mine include, use water ...
Well ideally @johnmo, but I have a coupe of things that work against that; I have a 22 rad system over 3 floors, 28mm CU primary, 22 and 15mm Cu secon...
@marvinator80 that's interesting. I know from your previous install pictures you would be struggling to make space for an internal volumiser. The 3kW ...
I'd be a little cautious about this generalisation Martin. Most F-Gas refrigerant engineers have specialist training and competency that comes at a pr...
@dodgyknee hi, here's Group 46 parameters changed from default for me, default in [ ] 46 00 = 3 [0] heater enabled in supplementary mode 46 01 = 4...
@dodgyknee this sounds familiar Yup, I played around, got the supplementary heating indicator to appear on the Grant controller, so all appeared to ...
The Grant LLH works well for me with the 3kW immersion programmed to give supplementary heating during defrost mode when the LWT drops below a pre-set...
I had a similar pantomime with my DNO. My incoming fuse is 80A with 25mm2 meter tail L&N incomers from external fuse and meter box to internal con...
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Hi everyone, I have a two year old Marlec Solar iBoos...
By Tallmarc , 47 minutes ago
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RE: Please help with the settings ecodan
Are you trying to address any particular performance is...
By Sheriff Fatman , 6 hours ago
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RE: Solis inverters S6-EH1P: pros and cons and battery options
🤣 Well, I never managed to get the HA solis "...
By Batpred , 8 hours ago
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RE: Experience - New Build / Complete New Heating System
Your sap clculations should give you a heat loss figure...
By JohnnyB , 8 hours ago
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RE: Vaillant aroTherm not heating with many faults
@editor hmmm, our engineers Rae, Craig, Naz, Rob and Ry...
By ASHP-BOBBA , 9 hours ago
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RE: Post-Traumatic Heat Pump Stress Disorder
@editor Hi Mars. I totally agree with your comments. ...
By Richard24738 , 9 hours ago
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RE: Recommended home battery inverters + regulatory matters - help requested
Indeed! And my apologies, I should have expected you...
By Batpred , 9 hours ago
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RE: I’m glad the cold spell is over!
@editor as a reply for this date the 6th of Jan in o...
By Nursethescreens , 10 hours ago
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RE: Heat loss based on gas usage
@jamespa Thanks. The numbers posted above were jus...
By Bash , 11 hours ago
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RE: Heat pump not reaching flow temperature
I would describe this as either a fault or a configurat...
By JamesPa , 11 hours ago
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RE: New Daikin 11kW Altherma 3M install - is it working as it should?
I forgot to mention: Octopus measured our heat loss at ...
By Toodles , 14 hours ago
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RE: Considering MLCP (Multi-Layer Composite Pipe) for ASHP
Thanks Mars and thank you for reaching out to so many p...
By iotum , 15 hours ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Forum Handle: @davec Manufacturer: Peak Energy Mode...
By DaveC , 15 hours ago
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RE: Rate the quality of your heat pump design and installation
Well, the guy came out, turned the heat pump to max, we...
By razz , 15 hours ago
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Midea R32 setup and bizarre running with lengthy off periods?
Hi I am new to the world of ASHP and have just had a re...
By Countryman Helmsley , 15 hours ago
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RE: Setback savings - fact or fiction?
Given the weather has been relatively stable, the empir...
By Batpred , 15 hours ago
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RE: GSHP WOES! Midland based engineer recommendations?
@editor That is very kind! Thank you so much.
By johnbroome , 17 hours 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 , 18 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 , 18 hours ago
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Thanks, @technogeek. Good to hear about the accuracy. ...
By Majordennisbloodnok , 19 hours ago


