What drives the decision
Film works continuously; shades can be adjusted for changing glare and privacy.
What changes the budget
Motorized shades add controls and maintenance, while film can require replacement when tenant needs change.
Operations and lifecycle
Consider cleaning, view preservation and nighttime privacy.
Planning boundary
Neither approach is universally superior; compare the actual building problem.
Educational planning only. Actual construction, code compliance, regulated systems, hazardous materials and safety-critical work require qualified professionals and current local requirements.