Case description Download PDF
Country Belgium

The challenge

Nortek Global HVAC manufactures air heaters, air handling units, heating sections, air curtains and rooftop units under the brand name Reznor. These HVAC units are equipped with various types of heat exchangers and use robust, environmentally friendly burner technologies.

Prior to packaging and shipping, each unit is put on the test stand in the testing area for complete testing of the electrical and gas-related systems. All the values are carefully measured and recorded in a database to guarantee that the units meet the highest quality standards and efficiencies and to ensure full traceability of the unit throughout its service life.

During testing in the factory the unit is placed on the final test stand. These test stands are located under a large extraction hood. The hood is necessary to extract the smoke that develops as a result of burning off the residual oil that is still present in the heat exchanger. The oil is used as a lubricant during forming of the heat exchanger, which either involves pressing of sheet material or bending of tubes. This oil has completely burned off within a few minutes after the first firing of the unit begins.

To provide an impression of the dimensions of the units made at Nortek Global HVAC: their height varies from 30 cm to 3 m, and the length can vary from 70 cm tot 8 m.

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