NREL has updated its Best Research-Cell Efficiency Chart. The tool highlights the highest confirmed conversion efficiencies of research cells for a range of PV technologies. “Everything up to the end ...
Judging by its energy usage, the School Without Walls in the District of Columbia may actually have no walls: It scores a 16 out of 100 on the EnergyStar scale, which ranks buildings by energy ...
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Yup, Air Conditioner Energy Efficiency Ratings Can Be Confusing. Here's What They Actually Mean.
Recent cooler weather is now making way for summer-like temperatures, which means you'll probably be kicking your air conditioner into high gear very soon, if you haven't already. The National Energy ...
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