Last seen: Jan 20, 2026
Here is that Samsung link posted by @old_scientist
Thanks @cathoderay, I did read it earlier when it was posted. I wouldn’t pretend to have understood most of it but there were a few good bits of infor...
Hi Mike. I think you make a valid point. I would assume the post defrost algorithms are part of a pre determined reheat to provide some additional he...
Nice re-focus but somehow Im not sure the defrost ‘setback’ saves energy it does after all put negative energy into the building for at least one who...
@robs Your Heat Pump setup is quite exceptional. I can clearly see your heat pump is delivering the heat you require at a flow temperature of 29c when...
@jamespa, thank you both @iaack so far I haven’t calculated this latent heat of fusion. Just the raising of the 180L of water temperature from 25C to ...
I don’t think you can compare the two systems. Ours is entirely radiator system while yours appears to be under floor heating possibly with volumiser ...
Excellent graphics and description Rob…. But to my mind there are amounts of energy that need replacing in this defrost event which aren’t portrayed i...
@cathoderay yes there is an indication of quite a bit of recovery energy being used. Do you have any way of quantifying numerically the energy being u...
That’s an interesting stat. I’m thinking that the 0.1 KWh might be the energy used during the flow reversal process….? I’m also thinking that the real...
@toodles yes it was a bit excessive getting 2 defrosts in one hour. I think it must have been the changing climate while it was still cold. We normall...
When we operate a setback we are reliant on the insulation in our house to ensure we only lose about 1.5C to 2C room temperature this also means the i...
- 27 Forums
- 2,435 Topics
- 55.4 K Posts
- 423 Online
- 6,120 Members
Join Us!
Worth Watching
Latest Posts
-
RE: DHW heat loss through pumps.
Ha ha yes - fair point. I was referring not to the gap ...
By Marzipan71 , 4 minutes ago
-
RE: Recommended home battery inverters + regulatory matters - help requested
Why choose option A? Unless of course, you know that yo...
By Batpred , 4 minutes ago
-
RE: Solis inverters S6-EH1P: pros and cons and battery options
@batpred Hope you don't mind the ping. I'm looking at ...
By Vanq , 13 minutes ago
-
RE: Aira Heat Pump: Stylish Scandinavian Heating
@trungdong Finally, I remembered to call Aira about ser...
By ChandyKris , 18 minutes ago
-
RE: What a Bad Heat Pump Installation Looks Like
It's unbelievable how many emails and DMs I've received...
By Mars , 40 minutes ago
-
RE: Our ASHP design and installation journey
This is always a tricky one. Someone has to pay for the...
By cathodeRay , 47 minutes ago
-
RE: Midea ASHP Issues with Smart Home App losing connectivity with the Wall Unit
@cathoderay - slightly off topic. Driving home from t...
By SteveT , 1 hour ago
-
RE: My Powerwall 3 Consumes 3-4 kWh/Day in Self-Consumption: Is This Normal?
@old_scientist Thanks for your reply. My initial observ...
By Caron , 2 hours ago
-
RE: Global Energy Systems Thurso ASHP
I’d choose Vaillant of the two too. We heard too many s...
By Judith , 4 hours ago
-
RE: Renewables & Heat Pumps in the News
Just to compare, this was our summary for 2025: - ...
By SKD , 4 hours ago
-
RE: Minimum and Zero Disrupt Heat Pump Installations
In our case we deliberately chose to change the cylinde...
By Judith , 6 hours ago
-
I hadn’t realised they were loose coils until I saw you...
By Judith , 6 hours ago
-
RE: Reliable, easy to use home battery options
That Growatt, @batpred, is the one we have, so all my c...
By Majordennisbloodnok , 6 hours ago
-
RE: A Smarter Smart Controller from Homely?
@johnnyb I don’t know any better to concur or disagr...
By Papahuhu , 16 hours ago
-
RE: Is it normal to use power from the grid when running off the battery?
The reason I said the voltages vary slightly is because...
By JohnnyB , 17 hours ago
-
RE: Setback savings - fact or fiction?
Hi @sunandair Thanks, if you or anyone would like to...
By RobS , 18 hours ago
-
RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
I agree with you at every point, you are welco...
By ASHP-BOBBA , 18 hours ago
-
RE: Who has a V2G EV installation
@broadsman, yes-ish and no. We bought our ID3 secondh...
By Majordennisbloodnok , 1 day ago
-
RE: Help needed with Grant Aerona 3 issues
@editor We come across about 4 leaks per year on sealed...
By dgclimatecontrol , 1 day ago

