Last seen: Jan 6, 2026
@jamespa Thanks - I learn a lot more about heating systems asking simple questions than I ever thought I would need. Seems to come with the ASHP terr...
@jamespa thanks James. That’s an interesting figure: just before Christmas, Octopus visited to do another heat loss survey and determined the origina...
My Cosy 9 is managing to keep pace with the cold weather with downstairs rooms at around 22.0 - 22.3c. Downstairs hall, which is mostly an internal r...
I haven't made any changes over the christmas period and waiting on Octopus to get back to work. I do want to try the decorators' cap approach though...
The FT levels off at either the set point OR the minimum flow temp it can reach, so once the FT is 35c for the Cosy 9, it levels off irrespective of t...
@kevh It's something I'm trialling at the moment - I've set the Cold Weather Max Flow temp to 50c at -10c and left the Warm Weather Flow Temp at 36c. ...
@harrisonc wow. That’s going to get the rumour mill grinding!
@harrisonc I guess lots of possibilities. The Cosy tariff has fixed slots but Octopus Agile is highly variable; it could also be to allow Octopus to...
@harrisonc The comment related to not being able to control the thermostat but can change the WC values is interesting. Does that point to a new feat...
@harrisonc I've not seen that, it's not coming up on my feed. I definitely think you want to be careful playing around with the interface areas th...
I can't figure that one out either. The person I spoke to today had me log on and slipped in the password "octopusenergy" all lowercase but obviously...
I had a re-survey completed this morning and the heat loss came down by 1000W. I'm not totally convinced it shouldn't be more, but notwithstanding, i...
Latest Posts
-
-
RE: Post-Traumatic Heat Pump Stress Disorder
@jamespa, I agree with you entirely. Greed, money an...
By Mars , 5 minutes ago
-
Hi everyone, I have a two year old Marlec Solar iBoos...
By Tallmarc , 2 hours ago
-
RE: Please help with the settings ecodan
Are you trying to address any particular performance is...
By Sheriff Fatman , 8 hours ago
-
RE: Solis inverters S6-EH1P: pros and cons and battery options
🤣 Well, I never managed to get the HA solis "...
By Batpred , 9 hours ago
-
RE: Experience - New Build / Complete New Heating System
Your sap clculations should give you a heat loss figure...
By JohnnyB , 10 hours ago
-
RE: Vaillant aroTherm not heating with many faults
@editor hmmm, our engineers Rae, Craig, Naz, Rob and Ry...
By ASHP-BOBBA , 11 hours ago
-
RE: Recommended home battery inverters + regulatory matters - help requested
Indeed! And my apologies, I should have expected you...
By Batpred , 11 hours ago
-
RE: I’m glad the cold spell is over!
@editor as a reply for this date the 6th of Jan in o...
By Nursethescreens , 12 hours ago
-
RE: Heat loss based on gas usage
@jamespa Thanks. The numbers posted above were jus...
By Bash , 12 hours ago
-
RE: Heat pump not reaching flow temperature
I would describe this as either a fault or a configurat...
By JamesPa , 13 hours ago
-
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 , 16 hours ago
-
RE: Considering MLCP (Multi-Layer Composite Pipe) for ASHP
Thanks Mars and thank you for reaching out to so many p...
By iotum , 16 hours ago
-
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 , 16 hours ago
-
RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
Well, the guy came out, turned the heat pump to max, we...
By razz , 16 hours ago
-
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 , 17 hours ago
-
RE: Setback savings - fact or fiction?
Given the weather has been relatively stable, the empir...
By Batpred , 17 hours ago
-
RE: GSHP WOES! Midland based engineer recommendations?
@editor That is very kind! Thank you so much.
By johnbroome , 18 hours ago
-
RE: ASHP Energy Consumption: Aira 12kW heat pump
@wally Hi I am not sure how large your house is b...
By TechnoGeek , 19 hours ago
-
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 , 20 hours ago
