Last seen: Dec 4, 2024
This is strange @martyj76, if the unit was installed by a Grant G1 installer, and has been annually serviced by a Grant G1 service engineer, it will b...
E.ON has launched their Cosy Octopus copy tariff product, 'E.ON Next Pumped' with 2x3hr low rate periods, 4am-7am & 1pm-4pm, just like the origina...
@wanttobegreen sure, 2x6.5kW. Which gives a useable storage capacity of about 12kW. For the majority of the winter we can charge 9kW into the batterie...
Andy's assertion that anyone with batteries can power their home in a storm [implying they can draw from the batteries when the grid is out] betrays h...
@wanttobegreen as per Toodles' advice. The Solar PV batteries in winter coupled with Cosy electricity tariff are a game changer. 85% of our electricit...
Some Daikin systems use PWM speed controlled pumps, I'm not that familiar with them, so the total system heating flow rate may vary according to heat ...
Hi there @pie_eater, absolutely right to try it single zone 'open loop' first, and see if it's a success. Buy or borrow an infrared thermometer or, ...
Yup, must be the R32 model. The larger R290s are not available wholesale yet.../p> Trying to find out who the Chinese OEM is of the Grant badged R29...
Ditto Major. 2x6.5kW Growatt batteries timed to charge on 2 of 3 low rate periods with Cosy Octopus each day. There's a third unused time slot on both...
Something knackered on the monobloc heat pump unit that wasn't maintenance related. So not blocked filters, strainers, coils, etc. Poll description ed...
- 21 Forums
- 1,744 Topics
- 37.3 K Posts
- 42 Online
- 2,035 Members
Join Us!
Latest Posts
-
RE: In the Bleak Midwinter... Midea heat pump performance, poor COP and windchill in action
A similar pattern happened again last night and into th...
By cathodeRay , 4 hours ago
-
RE: Do thick walls make for warm houses?
@bontwoody A lot of the reason the u value doesn’t s...
By robl , 5 hours ago
-
RE: Grant 13kW Aerona3 - issues getting zones to temp
@crimson A raise in flow temperature to 45 deg. C shoul...
By Toodles , 5 hours ago
-
RE: Aira Heat Pump: Stylish Scandinavian Heating
@mikeh, thanks a lot for the video. I found them very i...
By trungdong , 7 hours ago
-
RE: Heat Pump Books For Beginners – Bodge Buster & From Zero To Heat Pump Hero
@editor I suspect I need both. We're still trying to ge...
By Odd_Lion , 1 day ago
-
RE: Samsung HP secondary pump wiring
Thanks for the reply. I have asked a couple of days ago...
By Chris-in-Kemnay , 1 day ago
-
RE: New Samsung 12KW Heat Pump Help
@mike-h It has been a few days since we’ve changed t...
By dinhp , 1 day ago
-
RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
Two other things that greatly effect SCOP but havent be...
By bontwoody , 1 day ago
-
RE: Who's your electricity provider and what's your tariff?
Hi All We have 2 ASHPs, Solar/Battery system and soon...
By AlanB , 1 day ago
-
@westkent OK , Interesting , Im surprised that Airsourc...
By Alfapat , 1 day ago
-
RE: Post Buffer Tank DUCA Circulating Pump Settings
@potatoman I raised this with Secon, and here's what th...
By Mars , 1 day ago
-
RE: Smart meter installation – seamless or a potential nightmare?
@transparent, now hosted on our site as attached.
By Mars , 1 day ago
-
RE: The good, the bad and the not that great – my heat pump installation
That's actually not too bad, or, to put it another way,...
By cathodeRay , 1 day ago
-
RE: Air source heat pump roll call
Ecodan PUZ-WM85VAA1.7 slimline Stelrad Softline Comp...
By Westkent , 1 day ago
-
RE: Baffled by heat pump size/ choice!
Try reducing the DHW hysteresis setting and schedule th...
By JohnR , 3 days ago
-
RE: Vaillant ASHP Weather Compensation with Octopus Cosy
Your Sensocomfort is the thermostat and it does work as...
By Judith , 3 days ago
-
@raiph I apologise for my incorrect assumption. A PWM p...
By Mike H , 3 days ago
-
RE: Should We Rethink the Name “Heat Pump” for Homeowners?
Not sure you need the "re". Caleferator sounds fine to...
By downfield , 3 days ago
-
RE: ASHP Ecodan L9 error - No Heating but Hot Water
Thanks for this Mars. I've actually found out the issue...
By dnagre , 4 days ago
-
RE: 6 Red Flags to Avoid When Considering a Heat Pump Installation
The ASHP, just like a boiler, can supply water at only ...
By JamesPa , 4 days ago
Latest Topics
-
Samsung HP secondary pump wiring
By Chris-in-Kemnay 1 day ago
-
Post Buffer Tank DUCA Circulating Pump Settings
By Potatoman 2 days ago
-
Baffled by heat pump size/ choice!
By zuluwarrior 4 days ago
-
Vaillant ASHP Weather Compensation with Octopus Cosy
By tom58l 6 days ago
-
By R0y124 6 days ago
-
Mitsubishi Ecodan 11kw Defrosting Issue.
By ThunderMink 7 days ago
-
By TheHolyHeatPump 1 week ago
-
Flow temperature- At what point?
By Westkent 1 week ago
-
Excessive performance/system issues with GSHP
By didjerama_uk 1 week ago