How to Maximize the Performance of Your Hot Boxes by Cambro

Posted on June 12, 2015 by

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How to Maximize the Performance of Your Hot Boxes

One of the top questions Cambro gets asked by our customers is “How long will this hot box keep my Maximize performance of Hot boxes - cambro blogfood safe for?” This is indeed a very important question and although our insulated transport product line will, as a general guideline, keep food hot or cold safely for 4+ hours, there are many different factors that can affect the length of holding:

  • The density of the product: Lasagna will keep hot longer than pizza or chicken nuggets, for example.
  • The starting temperature of the food before it is loaded into the carrier: As these are hot holding cabinets and not re-thermalizers, they are designed to maintain the temperature of the food. The hotter the food when loaded, the longer it will stay hot.
  • How densely the food is packed in the carrier: The more food is packed in the carrier, the better the heat retention. Half empty compartments will retain heat for a shorter time.
  • Frequency of opening the door: Fewer times means less heat loss from the compartment.
  • The ambient temperature: Colder climate vs. warmer climate will also affect holding time.

Despite these many variables to holding time, there are indeed some procedural tips that you can carry out to ensure maximum performance from your transporters.

Tips to Prepare Your Transporter Before Loading with Food

1210PW Camwarmers in UPCS400For Hot Holding, always pre-heat your units one of the following ways:

  1. Slide a hot water pan into the bottom rails of your unit and close door for 20 minutes. Remove pan. Load with hot food. Close door promptly.
  2. Heat 2 Camwarmers® in a 350°F oven for 45 minutes and slide it into the bottom rail of your unit. Close door for 20 minutes. Load with hot food. Close door promptly.
  3. Ideal: Use hot water pan method to pre-heat carrier, remove pan and slide Camwarmers into the bottom rail. Load with hot food. The Camwarmers will extend the hot holding time of your food beyond 4 hours.

CP1220 Camchiller UPCS insertFor Cold Holding, always pre-chill your units one of the following ways:

  1. Slide an icy cold water pan into the bottom rails of your unit and close door for 20 minutes. Remove pan. Load with cold food. Close door promptly.
  2. Place the entire carrier in your walk-in or freezer, if possible, with the door open for as long as possible, preferably overnight.
  3. Freeze a Camchiller® overnight and slide onto the top rail of your unit. Close door for 20 minutes. Load with cold food. Close door promptly.
  4. Ideal: Perform steps 1 OR 2, together with 3 to extend the cold holding time of your food beyond 4 hours.

By following these simple steps to prep your carriers before loading with food, your hot or cold foods will be guaranteed to stay hot or cold for the longest time possible, greatly minimizing any risk of foodborne illness.


© 2015 US Food Safety Corporation. No copyright claim is made for portions of this blog and linked items that are works of the United States Government, state governments or third parties.

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