Switch to new system for collective distribution using 3 boilers instead of 4 independent boilers. Savings in monetary value US 5,301. 4.4: Install a system to collect and re-use waste steam and hot water from meat steamer, resulting in about 524 m3/year of fuelwood saving. Install a system to reuse the deposits of steam USD 6,495. 25. Actions to promote sustainable sourcing of fuel wood in the garment industry. Energy.