{"id":37501,"date":"2026-09-05T08:00:00","date_gmt":"2026-09-05T07:00:00","guid":{"rendered":"https:\/\/jelproducts.nl\/?p=37501"},"modified":"2026-07-09T21:43:43","modified_gmt":"2026-07-09T20:43:43","slug":"why-is-maintenance-frequency-higher-with-incorrect-lighting-in-heat","status":"publish","type":"blog","link":"https:\/\/jelproducts.nl\/en\/blog\/waarom-is-onderhoudsfrequentie-hoger-bij-verkeerde-verlichting-in-hitte\/","title":{"rendered":"Why is the maintenance frequency higher with incorrect lighting in heat?"},"content":{"rendered":"

Excessively high maintenance frequency for lighting in hot industrial environments almost always occurs because fixtures are used that are not designed for the local thermal load. Heat accelerates component aging, causing lamps, drivers, and housings to fail sooner than the manufacturer specifies. This applies in particular to environments such as steel mills, foundries, and other locations with sustained exposure to high temperatures. The questions below provide insight into what is going wrong, what that costs, and when it is time to take the choice for better lighting seriously.<\/p>\n

What happens to a luminaire during prolonged heat?<\/h2>\n

Persistent exposure to high ambient temperatures gradually degrades the internal components of a luminaire. The LED chip itself is sensitive to temperature: the higher the junction temperature, the faster the light output decreases. This process is called lumen depreciation, and it proceeds exponentially faster the greater the thermal load.<\/p>\n

But the chip is not the only vulnerable component. The driver, which regulates the power supply, is designed for moderate ambient temperatures in many standard fixtures. In an environment of 60, 80, or even 100 degrees Celsius, such a driver continuously operates at or above its maximum load. Capacitors age faster, solder joints come loose, and cable insulation crumbles.<\/p>\n

At the same time, seals and housings are affected. Rubbers and silicones shrink and harden, reducing the IP protection. Dust, moisture, and process emissions thus gain access to the inside of the fixture, which further accelerates the damage. The result is a fixture that fails or severely drops in performance within a fraction of its expected lifespan.<\/p>\n

How often does lighting fail in hot industrial environments?<\/h2>\n

In hot industrial environments where standard lighting is used, failure rates of several times a year per fixture are no exception. Where a good quality LED fixture in a normal environment lasts tens of thousands of operating hours, that same fixture can fail after just a few months in an environment of 80 degrees Celsius.<\/p>\n

Failure is seldom sudden. More often it is a gradual process: the light output decreases, the color rendering deteriorates, and eventually the driver shuts itself down as a protective measure. In environments with infrared radiation, such as near melting furnaces or rolling mills, the thermal load can be even higher than the ambient temperature alone suggests, because radiant heat acts directly on the fixture.<\/p>\n

Practical experience in heavy industry during extreme heat<\/a> shows that the failure rate with improperly chosen lighting sometimes rises so high that maintenance teams are busy weekly replacing fixtures or parts. That is a situation that is not only costly, but also puts workplace safety under pressure.<\/p>\n

What costs does frequent lighting maintenance entail?<\/h2>\n

The direct costs of frequent lighting maintenance are the most visible: replacement parts, labor, and downtime. But the actual cost item is often larger than it seems at first glance. Especially in industrial environments where lighting is located at height, in enclosed spaces, or is only accessible with specialized equipment, labor costs add up quickly.<\/p>\n

The following cost items play a role in frequent maintenance of industrial lighting:<\/p>\n