Hot box stands for job-site heating —and nobody provides a more dependable solution than we do.

Our hot box heaters are ideal for pails, drums, paint, bagged asphalt, caulking, spray foam, chemicals, roofing supplies, food products, and other viscous and temperature-sensitive materials that require appropriate temperature control.

Featured warehouse bulk material heaters include Powerblanket & ProMAX models with & w/o digital thermostat control for pinpoint accuracy.

Preheat your warehouse and construction materials prior to application for a more harmonious outcome

Why do I need a hotbox heater?

• To safely store temperature-sensitive materials and keep them accessible
• To easily and safely transport materials from one job site to another
• To save money and time by preventing the waste of valuable materials

Want FREE shipping for your hotbox heaters? Order online today. 

Not sure which heater is right for you? We would love to help!

Our customer service team is available to answer any questions you have regarding our catalog of different products—to ensure you find exactly what you need—FAST.

Contact us 

Heat Authority is the solutions provider when it comes to saving money and ensuring the work gets done. It's why warehouse managers, construction contractors, utility excavators, and manufacturers demand our products.

We are the temperature control experts and guarantee that our American-made heating products are safe, durable, and trustworthy.

Check out our online catalog above.

Let's get to work!