The thermal detector market was estimated at USD 441.5 million in 2022 and is likely to grow at a CAGR of 5.8% during 2023-2028 to reach USD 628 million in 2028. Thermal Detectors are small-sized sensors of low cost that consume very little power and are widely used in a variety of applications, such as temperature monitoring, fire detection, and thermal imaging. They allow precise and non-invasive temperature measurement and monitoring, making them an asset in many industries.