Only fast-payback items — and insulation/steam-path refits are exactly that: <1-year returns on a large loss base, valid even with 5 years of life left.
From our guide: Decarbonizing Power — 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:
