Shipping Warmers
Heat Factory Shipping Warmers are used in Science and Pet Industry to maintain a constant temperature inside of shipping containers. For maximum effectiveness Shipping Warmers should be packed with filler material no more dense than shredded paper or flo-pack to leave air space. Market segments using shipping warmers for shipping include; Pharmaceutical, Floral, Pet and Food- anytime cold would be detrimental to your product.


Item# 1941
Perfect for over night or 2 day shipping needs. The warmest of our shipping warmers. Heat Factory Large Warmers generate heat for up to 20+ hours. All Heat Factory warmers are non-toxic, safe, and odorless.
240 Units Per Master Carton
Pad size: 6.5in x 5in

For more information please call (760)734-5300



Item# 1951
Perfect for 3 day shipping needs. The longest duration of all our shipping warmers. Heat Factory 40 hour Warmers generate heat for up to 40+ hours. All Heat Factory warmers are non-toxic, safe, and odorless.
240 Units Per Master Carton
240 Units Per Master Carton
Pad size: 6.5in x 5in


For more information please call (760)734-5300
The Heat Factory shipping warmer is a soft, light-weight pouch containing an inert mixture of iron powder, charcoal, salt, water and vermiculite. When exposed to air, a natural exothermic reaction generates consistent and prolonged heat. The pouch is made of soft cloth lined with a very thin layer of porous plastic for maximum durability. The warmers are odorless, non-toxic and air-activated.





Heat Factory is North America's most time-honored Air Activated Warmer company. Since 1980, the Heat Factory has established a leadership position within the industry through innovative product designs, consistent product quality, and reliable, creative packaging, merchandising and on-time delivery. More information on the Heat Factory click here
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Heat Factory
2390 Oak Ridge Way
Vista California 92081
1-800-993-HEAT(4328)