Can a Freon leak make you sick?

Yes, a significant refrigerant or Freon leak can make you sick, particularly if the leak occurs in a tightly confined, poorly ventilated indoor space. While modern refrigerants are generally non-toxic and odorless in trace amounts, inhaling high concentrations of the gas displaces oxygen in the surrounding air, which can lead to acute symptoms such as dizziness, lightheadedness, severe headaches, nausea, vomiting, and loss of coordination. In extreme cases of prolonged exposure in an enclosed room, it can cause chemical asphyxiation, irregular heart rhythms, or frostbite burns to the skin and respiratory tract. If you suspect a refrigerant leak in your home or vehicle, you should immediately ventilate the area by opening windows and doors, leave the space, and contact a licensed HVAC professional to locate, repair, and recharge the system safely. You can verify recovery when symptoms subside.