Not by law — by contract. Supplier-engagement targets typically cover suppliers by spend, so mid-size industrials supplying large SBTi-committed corporates get the request regardless of their own size. SBTi has a simplified SME route.
From our guide: SBTi & Customer Net-Zero Targets — 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: