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Data and monitoring: imeasure charts

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- CommentAuthorRobinB
- CommentTimeNov 4th 2011
Just wondered if others imeasure charts are more stable - we don't seem to follow the weather as closely as I would have expected.
- usage.JPG
- CommentAuthorDamonHD
- CommentTimeNov 4th 2011
My weather following was reported as worse as I added more historical data, ie the fact that performance has improved over time is not really dealt with correctly IMHO!

Rgds

Damon
- chart(2).jpg
- CommentAuthorSteamyTea
- CommentTimeNov 4th 2011
If your getting a minus energy usage is that because the HDD is at the wrong temp or that it has not excluded energy use when above the HDD temp?
- CommentAuthorDamonHD
- CommentTimeNov 4th 2011
No, that's because it's less than predicted at the given HDD, partly because our DHW demand has been dropping over time as well as our general CH demand. 12C still seems pretty much the right baseline for us.

Rgds

Damon
- CommentAuthorSteamyTea
- CommentTimeNov 4th 2011
Ah yes, did not think about water. Can look at the split between water and space heating now, if it ever gets cold enough to turn the heating on

Are those charts from iMeasure?
- CommentAuthorDamonHD
- CommentTimeNov 4th 2011
There's a clue in the thread title... %-P
- CommentAuthormw116
- CommentTimeNov 4th 2011 edited
.
- CommentAuthorAndy_P
- CommentTimeNov 4th 2011
Mine is clearly showing the impact of improved draftproofing / insulation / double glazing installed in summer 2010 - I hope I'll also see benefits from the ongoing further improvements.

As a perhaps stupid question, is Imeasure calculating this based on total (measured) energy or just gas?
- CommentAuthorDamonHD
- CommentTimeNov 5th 2011
On whatever you told it your heating fuel is.

Rgds

Damon

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