Capture-readiness studies plus classic furnace efficiency: air preheat, steam optimisation, insulation — single-digit % that compounds at 9+ t CO2/t H2.
From our guide: Decarbonizing Hydrogen production — 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: