Most commercial buildings weren’t designed for efficiency – and facility teams inherit the consequences. At NFMT Remix in Orlando, Tim Unruh, Harry Rahman and Brian Scholl connect the dots, starting with how ESCO performance contracting can finance upgrades through measured savings, then moving into the unglamorous realities of envelope audits: ladders into drop ceilings, dirty fiberglass that’s enacting like an air filter instead of an air barrier and retrofit tactics that work even when a building is occupied.