Last seen: Apr 24, 2025
If you have a smart meter, you can get the information you need from it. Look back over the last year for the greatest daily gas used in kWh. Divide...
@heacol I believe that Kensa offer cooling, as an add on option. The Vaillant Geotherm mini (2.5kW heat) has it in by default I believe, so "just"...
@iancalderbank I think I read off the COP numbers wrongly from the graph in my last post- trying a bit harder, it's COP=4.2 down to 3.5 from a 5C D...
@iancalderbank @Jeff DT is just the temperature of flow-return, and Heatpumps only care about the flow temperature - if you would like a DT of 20C, ...
@iancalderbank Gas boilers can have a high DT as the efficiency of them is governed mostly by the return water temperature. So long as the return ...
@mattengineer We have 4kWp of solar, dno informed, about 9 years ago. PV is brilliant, if you haven't got, get as much as you can fit and the dno ...
Here's a 'scope plot of it working. Red is Voltage, Blue current on our mains tail, black is V*I. At the left hand side, there's very low real pow...
@mattengineer Yes, we had no trouble getting it changed to V2H. I emailed Indra, they asked me for confirmation that I owned the unit - I did, as ...
I really don't understand how something so simple could cost so much. I think "heat batteries" have a place - perhaps (a small unit) in a passive hou...
All being well, we'll have our gas meter taken out after this winter. Mrs RobL wants 2 heating seasons without gas before it's out to be sure to be s...
@diverted-energy In our unusual resource constrained situation, I can't see a helpful way to avoid energy being expensive. If taxes are reduced, a...
Latest Posts
-
RE: Commencing on an ASHP Installation Process
I should perhaps have mentioned this in my post, as I'd...
By Sheriff Fatman , 8 hours ago
-
RE: Mitsubishi cycling while on chilled water output
@jamespa you are so much faster than me, happy to see g...
By ASHP-BOBBA , 8 hours ago
-
@jamespa Thanks for the advice - very helpful. I had al...
By abam48 , 18 hours ago
-
RE: Weather compensated secondary circuits with Biomass
Hi @andycoo we do an LK 110 standalone weather compensa...
By Sune , 19 hours ago
-
RE: Adding battery storage to SolarEdge PV system
@chandykris No need to apologise at all! I forgot to ad...
By Toodles , 2 days ago
-
RE: Say hello and introduce yourself
Yes please do Suggesting a loss in the region...
By JamesPa , 2 days ago
-
RE: Surface mount or bury primaries for heat pump installation?
Can we have some links to those you're considering plea...
By Transparent , 2 days ago
-
As I have reported elsewhere we turned on the cooling o...
By downfield , 3 days ago
-
@hughf, I think we’ll organise an RHH session at Instal...
By Mars , 3 days ago
-
@el3b Hi, sorry to hear that, it is advisable to instal...
By ASHP-BOBBA , 3 days ago
-
RE: Difficult positioning of air source heat pump
@rikiarn Out of intrigue, the thread reads as though Ai...
By Sheriff Fatman , 4 days ago
-
RE: Mitsubishi Ecodan Fails to Heat Water despite temperature drop
@m1kegibson If you are able to access the service me...
By HarriUp , 4 days ago
-
RE: When will heat pumps and install prices come down?
... which of course is impossible because the world mov...
By JamesPa , 4 days ago
-
RE: Battery storage to run Heat Pump.
I would be surprised if the battery chemistry is going ...
By Transparent , 5 days ago
