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Lux Meter App Review, & The Danger Of Using An App For Lighting Audits

On an energy efficiency kick and want to do a lighting audit? Think you’re set because you just found an awesome new app on your smartphone to help you do it? Maybe not….

I’m in the midst of gathering together some top products for helping to improve the energy efficiency of your home. I found the Android app “Lux Meter” and thought it would make the whole lighting audit process even simpler and easier. But, you know, you have to check these things.

I went ahead and compared the app to a professional light meter. The downloaded app is absolutely terrible, and anyone using it to adjust the lighting in their work/life environment will end up using about 6x too much light.

Image Credit: Scott Cooney / Important Media

Image Credit: Scott Cooney / Important Media (click to enlarge it)

The pic above isn’t excellent, but you can see that the app is showing almost no light (0 foot candles), compared to 97 lux (or about 8-9 foot candles) on the professional meter.

In other words, stick with the professional light meter!

I haven’t run across other such apps, but if you know of any that you think are more accurate, I’d be happy to check it (or them) out. Drop us a note!

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Written By

Scott Cooney (twitter: scottcooney) is a serial eco-entrepreneur hellbent on making the world a better place for all its residents. After starting and selling two mission driven companies, Scott started a third and lost his shirt. After that, he bought a new shirt at Goodwill and started this media company and once it was making enough, he was just smart enough to hire someone smarter than him to run it. He then started Pono Home, a service that greens homes, which has, by the end of 2020, performed efficiency retrofits on more than 13,000 homes and small businesses, saving customers more than $3.3 million a year on their utilities. Previously, Scott was an adjunct professor of Sustainability in the MBA program at the University of Hawai'i, green business startup coach, and author of Build a Green Small Business: Profitable Ways to Become an Ecopreneur (McGraw-Hill), and Green Living Ideas.


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