Your kids school should have a good HVAC then which should run 24x7 and will hav...

sjg007 on Nov 28, 2021 | parent | context | favorite | on: Why don’t we just open the windows? Covid-19 preve...

Your kids school should have a good HVAC then which should run 24x7 and will have a fresh air intake which does the required number of air exchanges per hour. Add in some local air cleaners too.