July 29, 2015


What Is A Heat Factory Warmer?

The Heat Factory warmer is a soft, lightweight pouch containing a biodegradable mixture of iron powder, charcoal, salt, sawdust and vermiculite. When exposed to the air, an oxidation process takes place that generates heat. Unopened, the Heat Factory warmers have a shelf life of three years or more. To find out more about the oxidation process that takes place in a warmer, take a look at Heat Factory’s article.


Instructions For Use123_2

  1. Open the outer package & remove the warmers
  2. Place the warmers in pockets or wherever soothing heat is desired
  3. Enjoy the heat. It’s that simple!

What’s The Difference Between A Hand and Foot Warmer?

1943_pkgHeat Factory is often asked why we don’t just make one warmer for both the hands and the feet. Unfortunately, it’s not that simple. Each product presents its own unique opportunities and challenges. Items designed for the feet must be comfortable, easy to use, and work have the ability to function in a restricted air environment.

Hand Warmers placed in a shoes or a boot with restricted air will likely not generate enough heat to to satisfy t1945he use’s needs. Heat Factory has developed the Foot Warmer to work in a shoe or a boot with restricted air-flow. This warmer provides the warmth and convenience to generate comfortable  heat in most shoes, boots and waders all day long.

Money Saving Tip

If the heating time is not complete, all Heat Factory Warmers may be saved by placing them in an airtight container. The remaining time can be used later (preferably within one week). For example: A 10 hour Mini Hand Warmer can be used for 5 hours one day, stored in an airtight container, then used for approximately 5 hours another day within the same week.



One thought on “FAQ

  • Hello,
    Can you tell me the optimal time that you need the toe warmer exposed to air before you put them in a shoe? I am using them for cycling and they tend to get cold after 10-15 mins. Ice cold when I take my shoe off after an hour of cycling, but then they heat up again. They would only have been exposed to air for about 10 minutes before putting them in my shoe, should it be longer?


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