Mineral wool carries embodied energy that is typically repaid within weeks by the heat it saves — life-cycle assessments consistently show insulation among the highest energy-return measures in industry.
From our guide: Environmental Impact of Industrial Heat & Emissions — full context, charts and sources there.
Boilers, kilns, heat exchangers, valves and steam lines lose energy continuously. Inzonex makes patented (UK GB2508992.1) removable modular insulation — snap-fastened covers engineered per temperature tier, not generic off-the-shelf jackets: