That’s a nice idea and I like your concept image. One question is how or if we need to show both COP calculation approaches?
Method 1
Method 2
Not sure what the best approach would be to do this. Feels like it could be quite complex to implement?
Perhaps a way to notify of a forum thread that mentions a system?
Do we need to show both approaches? The numbers don’t seem to be very different over large enough dataset, showing both could just add confusion.
The next question is: which is more useful to show? Is it best to have the mean of the COPs, or have an average that weighted towards the bigger systems? I’m not sure, I but I feel that maybe method 1 is simplest and easiest to understand.
Maybe for each system there could be the option to identify your user in the forum then you could be DMed and forum posts could be searched for.
I was thinking it would be good for anyone who wants to to create a new thread for their system outlining anything that might not be obvious from the dashboard information and maybe explaining a bit of the history. Also messages could be posted to the thread when things change like settings, when experimenting with things, observations in the data or when anything has been physically changed in the system.
And any links to forum posts where the system was discussed.
Maybe the dashboard could link to that thread.
Now that more people are getting on the separate DHW / heating train.
Have we considering adding separate DHW/heating COP columns on the opening chart where they are available?
It might make be feel better about my total SCOP knowing my heating is doing alright and it’s only DHW dragging me down!! 
Working out Heating vs. DHW from kWh feeds isn’t possible with a boolean flag, so we’ll have to compute it from the raw power readings instead. Quite a bit more computation needed for that.
I’m wondering what the optimum default columns are?
For example, does MID Metering need to be there?
I personally find much more value in seeing average outside temp for the past 30 days.
The same COP, but at different outside temps suggests one system is better than the other.
I thinking of these systems ‘down south’ with their warmer days. 
Sheffield seemed to kop for some really cold days across December, as you can see in the current chart.
I also think Flow Temp is a fundamental one. Goes hand in hand with a good COP?
Fully appreciate seeing the outside temp as we do have it virtually tropical here compared to some, however there is also a lot of value in seeing if a system is monitored with MID metering at a glance, especially when looking to compare and for potential troubleshooting system issues (oversized, poor config etc).
While you can compare two similar systems, knowing that the data you are seeing is certified accurate to within 1% rather than manufacturers best guess based on the sensors they could get at the time is also valuable. If I noticed two systems with a 4.3 SCOP one with MID and one without I would be more inclined to trust the data from the former.
Maybe this could be shortened to MID and yes / no or a checkbox if you wanted to make room for another field?
Yep, good point.
Perhaps the longer column headings could word wrap too? Especially the ones where the data underneath isn’t very wide like Outside and Flow temp?
You can select the “MID Metering” column on the HeatpumpMonitor site.
And column headings do already wrap.
Thanks, I did see the check box but the original comment with pic was based on the heatpumpmonitor page and maybe changing the defaults (just stating why I liked the MID in the default view for that page)
Fully get that it cannot be default on my 6" mobile screen unless I suddenly get a 16K phone screen and SuperHD vision or a neural implant 
Yep, exactly this. And yes, i’m talking about heatpumpmonitor.org
You can change the columns but two things
a) when you press refresh you lose your columns and it resets back to default columns
b) the question was what columns deserve to be on that default view? ie the best columns that give you the best picture of why heat pumps are where they are in the chart. If that makes sense?
I’ve moved this post and its replies from another topic.
Some random thoughts off the top of my head:
Personally the MID column is the most important one of all.
Without making any judgement anything that isn’t MID metered is unreliable, they may be accurate and they may not be, you never know.
I do know that some data is being manipulated to compensate for perceived errors in the internal data from the heat pump on some installations. As this is possible it automatically makes the data unverifiable.
For the list to be of any use we really need to know which ones are being measured accurately.
We’re getting to the number of submissions (99!) where we maybe should have a MID filter option at the top that will only show systems with accurate data.
I’ve been having a lot of success with this approach to column inclusion / dropping:
However, it could get very confusing if the users are also selecting the columns they want to see.
If you only interested in comparing MID monitored systems, would a filter, rather than a column be a better option?
EDIT: I should have read to the bottom of the thread before replying as Tim’s suggested the same. 
something that I think would help with interaction between discussions on this forum, and the heatpumpmonitor data.
Often we have discussions along the lines of “my system does this, your system does that, other system does the other”, and it really helps to be able to look at the stats for system in question to inform yourself. But it is impossible to remember who lives where (given that they are only indexed and described in the heatpumpmonitor.org selectors by location name) , and frankly I although I’m sure we’re for the most part all very happy with where we all live, I am not particularly keen to know or remember who lives where!
the other option to go back in the threads to where a person posts a specific link to their own system is time consuming and tedious. As the table grows this gets harder.
I’d suggest adding either a “signature” on posts, or a quickly/easily visible attribute of the users profile, with a link to the heatpumpmonitor system belonging to that person. that takes care of the forward lookup.
The reverse lookup would also be useful: on heatpumpmonitor.org suggest to add an attribute to the table of “forum username”, and also put this attribute in the descriptor visible in Compare. So that in Compare, I can compare “Ian” with “Glyn” rather than “Milton Keynes” with “Llanberis”.
I’d suggest also that the compare drop-down also needs to be filterable by system type and size as part of choosing from the list - one is more likely to want to compare amongst similar, although not always of course.
It’s already there - you just need to visit your ‘Preferences’: Click your icon top right, and again on the ‘Head & Shoulders’ icon in the drop-down list. Click ‘Preferences’ then ‘Profile’ in the header, and type in the “About me” box. Scroll down and Save when you’re done.
To see yours (or anybody else’s), click your(their) icon in the relevant post, or (almost) anywhere it appears.
You can add your county, town or whatever you’re happy to make public to your ‘Location’ or wherever, if you wish. ‘Country’ is especially useful because it gives us a good idea of the electricity system you’re likely to have.
I like this plan Tim. 
The other metric I think that makes a massive difference is internal temp.
Outside temp, inside temp and % of hot water / space heating are the three biggest swing metrics imho. So indirectly, flow temp when running.
I know I can never get much higher than where I am on the charts because I have a high water demand (25%), I like to heat to 20C internally and Sheffield has been one of the coldest parts of the country this last 30 days.
Someone ‘down south’ in warmer parts who likes it 19C inside and only does a hot water run every 2 days is always going to beat me.
Is it possible to have different default sort orders for columns?
For example:
If I add outside temp column and then sort by COP (high to low), outside temp also sorts high to low.
Which dumps me at the bottom of the 4.5 COP, despite me having the coldest temp?
Surely colder outside temp and better COP should be rewarded??
