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sterkekoffie
on Jan 17, 2020
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Microsoft’s quest to go ‘carbon negative’ inspires...
A well-done rooftop solar installation in 2020 will last you more like 30 years. That $8,000 comes after the payback period, meaning you end up with a 60% ROI.
Consider applying for YC's Spring batch! Applications are open till Feb 11.
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