Home Performance App Upgrade

I’ve updated our home performance app at, NetPlusDesign.com/home_performance.

Screenshot from new app.

Screenshot from new app.

At the beginning of the year I put together a simple online tool that displays our energy and temperature data on a daily and hourly basis. It gave me an easier way to track and visualize our energy usage on a month to month basis without a bunch of spreadsheet work. The heat maps provide an easy way to quickly find days of high energy use and see what else was going on that day. This helps me understand why usage might be high on a particular day.

Now that we’re coming up on twelve month’s data, I wanted an easier way to see across months and drill down from the macro to the micro scale. So I built some new views that would allow meĀ to slice by time period (year, month) and dice by aspect (energy used, generated, heating degree days or a summary across all of them).

It’s a bit slow, I’m just a hobby developer, but give it a chance and let me know what you think. I’ve released all the code on Github under the MIT “Do what ever you want with my code, just don’t expect it to be bug free” License.

In a few days I’ll upload December’s data. Happy Holidays.

1 Response to “Home Performance App Upgrade”


  1. 1 Dan Gibson 1-January-2013 at 12:18 pm

    Thank you for sharing. This is great stuff… I’m sure I’ll have some questions as I figure out how to capture the data needed to quantify how much energy we use and to what extent the house is comfortable over the next few years. But, now I’m focusing on hot water. I recall you have a 50 gallon electric tank water heater and used about 21 gal/day for two people the first 6 months. Has your water use remained about the same? What is the rough ambient temperature where the tank is kept and have you applied any extra isulation? Thanks for your help, Dan


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