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KNAACK® ThermoSteel™ Heated Storage

More Productivity
Saves money, reduces downtime, and prevents damaged materials due to cold weather

Heated Storage
Keeps adhesives, batteries, tools and so much more at optimal temperature

Easy To Use
Just plug in when jobsite temperature is less than 40˚F

KNAACK Security
Watchman® IV Lock System provides independent locking for both the chest and Junk Trunk™ quick access drawers


KNAACK® ThermoSteel™ Heated Storage is the first jobsite storage box with built-in heated storage to keep everything at the optimal temperature. ThermoSteel™ Heated Storage saves money, reduces downtime, and prevents ruined material due to cold temperatures. Store anything at the optimal temperature including adhesives, paints, batteries, electronics, safety gear, personal protective gear, tools, and accessories.  KNAACK® ThermoSteel™ Heated Storage is available in four models, 79-H, 79-DH, 89-H, 89-DH, and all models include a TOOL KAGE™ door & thermal blanket. 



Series Model Matrix

Model No.BrandApprox. Cu. Ft. Per UnitApprox. Product HeightApprox. Product LengthApprox. Shipping Weight lb (kg)Closed HeightBuy Online
1000MONSTER BOX®4854-1/2 in66 in405 (183.7)54-1/2 in
When cover is closed, chest can be used as a work table.
STORAGEMASTER®35.334-1/4 in60 in282 (127.9)37 in
79STORAGEMASTER®38.249 in48 in287 (130.2)49 in
79-DSTORAGEMASTER®; Junk Trunk™36.249 in48 in400 (181.4)49 in
79-DHSTORAGEMASTER®; Junk Trunk™;ThermoSteel™38.249 in48 in420 (190.5)49 in
79-HSTORAGEMASTER®;ThermoSteel™36.249 in48 in300 (136.1)49 in
89STORAGEMASTER®47.846 in60 in337 (152.9)49 in
89-DSTORAGEMASTER®; Junk Trunk™43.849 in60 in510 (231.3)49 in
89-DHSTORAGEMASTER®; Junk Trunk™;ThermoSteel™47.849 in60 in530 (240.4)49 in
89-HSTORAGEMASTER®;ThermoSteel™43.849 in60 in350 (158.8)49 in
90STORAGEMASTER®57.549 in72 in380 (172.4)49 in
91STORAGEMASTER®57.549 in72 in409 (185.6)49 in