Condensate at pressure flashes to steam when let down — capturable in a flash vessel and usable in LP heating instead of venting.
From our guide: Condensate & flash-steam recovery — 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: