I would compare different prices with local stores in your area, with the competitive online pricing. Some good websites so check out are; www.steelman.com, www.pricegrabber.com and www.counsumersearch.com.
Devco industrial heaters are mainly used, as the name already says, for industrial processing. They offer heaters such as band heaters, steam generators, cartridge heaters and temperature sensors.
If you want to buy immersion heaters: http://www.chromalox.com/productcatalog/Industrial+Heaters/Immersion+Heaters/product-family-router.aspx?f=83 If you want to know more about them:http://en.wikipedia.org/wiki/Immersion_heater#Immersion_heater
California has the strictest regulations, so if you can, buy heaters from there.
One could buy electric infrared heaters from shops like Saunacore. This shop specializes in sauna heater, steam bath, electric infrared heaters, etc.
Family Facets offers a variety of water heaters, including wireless water heaters, instant electric water heaters, instant electric water heaters with remotes, mini tankless electric water heaters, and more.
Eat Fish and buy heaters
YOu can purchse an immersion heater by going to the following website http://www.chromalox.com/productcatalog/Industrial+Heaters/Immersion+Heaters/product-family-router.aspx?f=83
Step heaters can be used in industrial processes to efficiently regulate temperature by providing precise control over the amount of heat being generated. By using multiple heating elements that can be turned on or off in steps, step heaters can quickly adjust the temperature to maintain a consistent level. This allows for more efficient energy usage and helps prevent overheating or underheating in the industrial process.
No reviews for Crofton infrared heaters could be found, but it appears that they are sold at Aldi's food stores. Their price seems to be in line with other heaters and they have a warranty.
Honeywell is a company that manufactures products including heaters, thermostats, air cleaners and humidifiers. Honeywell heaters can be purchased at the Honeywell Store, Target, Amazon and Best Buy.
First and foremost is that this heater is meant for temporary heating, also that there are always more competitive prices so shop around. Here is a website that you can go to and find industrial heaters: http://www.business.com/directory/industrial_goods_and_services/machinery_and_tools/heat_treating_and_processing_equipment/heaters/ .
Oil filler heaters in industrial applications provide benefits such as maintaining optimal oil viscosity, preventing equipment damage due to cold temperatures, reducing wear and tear on machinery, and improving overall efficiency and performance of the equipment.