Reliable temperature-controlled storage in San Diego, CA, to keep your items safe. For electronics, antiques, wine, and more.FOOD may be held at a temperature not to exceed 45°F for up to 12 hours in any 24-hour period. We verify that your hot and cold holding equipment maintains the ideal conditions to keep food safe. Shellfish tags kept for 90 days, warning signs posted. In order to hold hot food without temperature control for up to 4 hours, what conditions must you meet? San Diego, CA. (619) 557–5909. Sacramento, CA. (916) 566–7471. We deliver full-on, full-service packaging solutions, San Diego. For the freshest approach to any challenge, reach out to us.