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Since 1955, Detroit Radiant Products has been a premier infrared heater manufacturer. Our product listing includes electric infrared heaters, infrared gas tube heaters, portable heaters, radiant infrared heaters & much more. Our Re-Verber-Ray® line is the most trusted infrared heater worldwide & offers a variety of indoor & outdoor applications. We are committed to providing quality products!
Industrial and commercial applications have been served by our electric infrared heaters in drying, curing, baking and cooking ovens; screen print dryers plus our portable heaters. If a standard item won`t work, we`ll customize to the size, voltage and wattage that you need. Choose from our high intensity infrared heaters which include garage heaters, space heaters, radiant gas heaters and more.
For over fifty years, Solaronics has supplied customers with the heating products and parts that they need. The techniques for manufacturing, product application and the design of the products themselves have been refined again and again in response to the needs of the customers. When it comes to the door heaters you have been searching for, turn to Solaronics.
Space-Ray is an international manufacturer of infrared radiant gas heating products. We are a division of the Gas Fired Products Group of companies which manufactures energy efficient overhead radiant heating, space heating, door heaters and process heating systems in the UK and USA. We design and manufacture energy efficient gas heating products that will stand the test of time.
This highly diversified industrial oven manufacturer serves the most demanding applications with uncompromising service & competitive pricing. You won't find a higher standard for customized infrared ovens & high-velocity air convection ovens. Blasdel turnkey oven systems & material handling options offer years of trouble-free operation, increased production, reduced cure times & higher profits!
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Industry Information
View A Video on Door Heaters - A Quick Introduction
Door Heaters
When a door is opened into a sealed building, a vacuum is created that encourages the movement of air. Installing a door heater disrupts this process and prevents the exchange of air from inside to outside. Door heaters can be gas-fired - using a gas flame to create heat, they can use boilers and steam as a heat source, or use an electric element to create heat. An air propeller, or fan, will be needed to force air across the door opening and to create enough resistance to prevent interior-exterior flow of air. Therefore, doorway dimensions need to be taken into consideration when determining size and capacity of door heaters to ensure adequate coverage. Larger door openings such as warehouses or garages may require more than one heater, and these can be placed side by side to fully cover the open space. Door heaters are ceiling or wall mounted but for optimal performance and results should be placed as closely as possible to the top of the door.
Typically a switch is installed on the doorway, or connected to the opening mechanism of the door, that turns the door heater on each time the doors are opening and closing as this is when the barrier is required to prevent heat loss. The continual operating of the door heater would result in high energy expenditure and the potential for overheating within the space itself, therefore a trigger switch or sensor is a necessary part of the mechanism. In door heaters, there are options for adjustable levels of heat and airflow. Some units can be run without the heating elements on, and therefore are able to be further used in summer months. In warmer weather, the purpose of a maintaining the interior temperature of a space to avoid extra energy loss is similar - to prevent the loss of the air temperature within the building (in this case cooled air) and to prevent the entry of the outside air. Another use for door heaters is for the general heating of a space when a high level of space heater is required. Some models of door heaters are adjustable and the heated air flow can be directed into a room rather than across the opening.
