Do prisons have air conditioning?

Most do, but the answer is surprisingly inconsistent and some of the facilities without it are located in places where the heat is most brutal.

Federal prisons generally have climate-controlled housing, though the quality and consistency of that cooling varies by the age of the facility and how well the systems are maintained. Newer federal facilities tend to be better equipped than older institutions, where aging infrastructure makes reliable cooling a daily challenge.

State systems are where the inconsistency becomes most striking. Texas and Florida, two states with some of the most punishing summer heat in the country, have significant portions of their prison populations housed in facilities without air conditioning in the housing units. Texas in particular, has faced years of litigation and public pressure over heat-related deaths in facilities where temperatures inside cells regularly exceed 100 degrees during the summer months. Some Texas facilities have made progress in adding cooling in recent years but the system as a whole remains inconsistent.

The distinction between common areas and housing units matters too. Some facilities have air conditioning in the chow hall, medical unit, and administrative areas, while the actual cellblocks where inmates sleep remain uncooled. That distinction does not help much when someone is trying to sleep in a cell that retains heat through the night.

County jails follow a similar pattern of inconsistency depending on the age of the building and the budget of the jurisdiction operating it.

For families with loved ones serving time in southern states during summer months, asking specifically about cooling in the housing unit rather than the facility generally gives a more accurate picture of what conditions are actually like day to day.