Systems and methods provide air or gas-based temperature-controlled medical devices. The systems and methods may be applied to provide therapy to a patient suffering orthopedic or other injuries. Air or other gas is temperature-controlled and adjusted to meet a patients physical needs and delivered the patient therapy site through a temperature regulated system including a therapeutic orthopedic wrap. Feedback mechanisms allow the caregiver or the patient to adjust the temperature of the gas. Other fluids may also be used. The systems and methods permit use of electrotherapy for enhanced therapy and injury recovery.