Air is out, (but don’t worry) we’ve got you covered. HotDog Patient Warming delivers the ABCs: Air-free, Better Warming, Cost Effective. Warm patients safely with air-free HotDog patient warming. 11 studies link forced-air warming to increased airborne contaminants in the surgical field. HotDog’s patented technology is the safe air-free patient warming alternative. It’s the only system that warms above and below the patient simultaneously for a more versatile and effective warming solution. In multiple trials, HotDog has shown a 96.2% normothermia rate. Plus, HotDog reduces warming costs.