Westwood-based clean-tech firm enVerid Systems has tapped former congressman Joe Kennedy III to join its five-member board of directors. Kennedy takes over for Ron Stern, who represented one of enVerid’s investors on the board, venture capital firm OurCrowd. EnVerid makes air scrubbers that remove carbon dioxide and other contaminants in buildings, saving landlords on HVAC costs and curbing carbon emissions by reducing the need to pump fresh air into rooms from the outside. (EnVerid also installs ceiling-mounted HEPA filters to curb the spread of viruses.)

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