This is the 17411th most frequent Russian word.
тепловую
"Тепловую" means "thermal" or "heat-related" in English.
The word 'тепловую' is used as an adjective describing a camera, indicating its function related to heat through measurement.
Мы установили тепловую камеру для измерения температуры.
We installed a thermal camera for measuring temperature.
Here, 'тепловую' describes 'систему' (system), signifying its purpose related to thermal or heat distribution.
Инженеры разрабатывают новую тепловую систему отопления.
Engineers are developing a new thermal heating system.
In this context, 'тепловую' qualifies 'изоляцию' (insulation), meaning the insulation has properties related to heat.