Jails and detention centers have some of the hardest indoor air problems of any building type. These facilities operate around the clock. They hold many people in enclosed spaces. They also include booking areas, holding cells, medical rooms, kitchens, laundry rooms, showers, staff areas, control rooms, and long corridors where air can become stale, damp, and difficult to manage.
Because of this, indoor air quality is not just a comfort issue. It is tied to odor control, staff working conditions, occupant complaints, facility maintenance, and public confidence. When air inside a jail smells musty, smoky, chemical-heavy, or stale, the problem can spread fast through shared spaces.
PCO air purification can be used as part of a cleaner-air plan for jails and detention centers.
PCO stands for photocatalytic oxidation. It uses ultraviolet light and a catalyst to create a reaction on the catalyst surface. ASHRAE describes photocatalysis as using light, usually UV, and a photocatalyst to perform redox chemistry on the catalyst’s surface. This type of technology is commonly discussed for gas-phase contaminants, including certain odors and VOCs.
For a jail, that matters because many indoor air problems are not just dust. They can include odors, chemical smells, smoke residue, cleaning product vapors, body odors, moisture-related smells, and gases from high-use areas.
A jail is not designed like a normal public building. Windows may not open. Doors are controlled. Movement is restricted. Many rooms are small, secure, and heavily used. Some areas may have high humidity from showers, restrooms, laundry, and cleaning.
That creates a building where air can feel trapped.
Common air concerns in jails include:
EPA says improving indoor air quality depends on source control, ventilation, and air cleaning. EPA also notes that air cleaner effectiveness depends on both how well the cleaner removes pollutants and how much air moves through the system.
That means a jail should not rely on one single fix. The best plan uses layers.
PCO air purification should be used as an added layer, not as a replacement for cleaning, maintenance, HVAC repair, mold remediation, or proper ventilation.
In a detention setting, PCO may help support:
EPA’s air cleaner guidance says portable air cleaners and HVAC filter upgrades can help improve indoor air quality, but it also cautions that air cleaners are not a full solution for every indoor problem. For mold, the source of moisture and mold growth still has to be corrected.
That point is important for jails. If a shower area has a moisture problem, a PCO unit may help the air, but it will not fix the leak, dry the wall, or remove contaminated material. The building still needs source control.
PCO systems can be placed in targeted zones where air problems are strongest. This is better than trying to treat the whole facility at once without a plan.
Strong placement areas include:
Medical and intake areas should be a high priority. These rooms often see many people coming in from different environments. They may also involve health screenings, odors, close contact, and higher concern about shared air.
Staff areas matter too. Officers, nurses, kitchen staff, and administrators may spend long shifts inside the building. Cleaner air support in these spaces can improve comfort and reduce complaints.
Mold can become a serious concern in detention buildings. Showers, restrooms, plumbing chases, roof leaks, damp walls, and old HVAC systems can all create moisture problems. Once moisture stays in place, mold can grow and release spores, fragments, and odors into the air.
EPA’s indoor air guide tells building occupants to clean up mold and get rid of excess water or moisture. That means moisture control is always the first step.
PCO air purification can support the process by helping improve the air in affected or nearby areas. But the right message is clear: PCO helps support cleaner air. It does not replace mold cleanup.
For jail administrators, the safest claim is:
PCO air purification may help reduce odors, VOCs, and airborne contaminants while the facility addresses the source of moisture and completes proper cleanup.
Jails use many products that can affect indoor air. Disinfectants, degreasers, floor cleaners, paints, adhesives, sealants, pest control products, laundry products, and repair materials can all release chemical odors or VOCs.
In many buildings, VOC complaints show up as headaches, eye irritation, throat irritation, or a strong chemical smell. These complaints are hard to manage in secure facilities because people cannot simply leave the area.
PCO technology is often used to target certain gas-phase contaminants. ASHRAE notes that PCO is widely used in the air-cleaning industry and that, ideally, hydrocarbons and other VOCs can be oxidized to carbon dioxide and water. ASHRAE also stresses that device-specific test results matter.
That means ASIET Air should be presented with careful language. Do not claim that PCO removes every VOC in every setting. A better claim is that ASIET Air can help reduce certain odors, VOCs, and airborne contaminants as part of a complete air quality plan.
Jails and detention centers are high-occupancy environments. People enter through booking, move through housing, visit medical areas, and share common air. Staff members move across zones every day.
CDC guidance for correctional and detention facilities has long recognized ventilation as an important issue, especially in infection-control settings such as tuberculosis prevention. The CDC guidance refers to ASHRAE ventilation standards and notes that ventilation problems can contribute to disease transmission risk.
This does not mean a PCO unit prevents disease in a jail. It means air management matters. PCO can be one part of that air management strategy when paired with ventilation, filtration, cleaning, maintenance, and proper infection-control policies.
The best wording is:
ASIET Air can help support cleaner air in shared detention spaces by reducing airborne contaminants and improving indoor air quality as part of a larger facility health and safety plan.
ASIET Air can be positioned as a practical air-quality support system for secure buildings. It can help jails and detention centers respond to air complaints, odor problems, smoke exposure, VOC concerns, mold-related air issues, and high-use enclosed spaces.
A smart ASIET Air plan would include:
For jails, the value is not just the machine. The value is a response system. Facility leaders need a plan they can explain to county officials, staff, inspectors, inmates, and the public.
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