In general

Not later than 5 years after the date of enactment of this Act, the Director of the Bureau of Prisons (hereinafter in this Act referred to as the Director) shall install or update, as appropriate, heating, ventilation, and air conditioning systems in each correctional facility operated by the Director, including by installing temperature reading devices in each space with a human occupant in such a facility, including each prison cell therein, and those commonly used by incarcerated individuals and staff.