A public swimming center uses solar energy to power its building and heat the pool.

After 10 years of renovation, the Richmond Plunge, billed as America’s most efficient public swimming pool, has re-opened. Located in Richmond, California, the premises is naturally ventilated and is powered by rooftop solar panels, while the pool itself is heated by solar collectors. The Richmond Plunge holds over 300,000 gallons of chlorine-free water and uses an ultraviolet disinfectant system to keep the pool water clean.

Richmond Plunge

[via Metaefficient]

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