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TL;DR: the concern determines the fit
Better Air Quality may be a strong fit for a facility that already knows it needs duct cleaning, air testing, sanitizing, or mold remediation. Its public site centers those categories and presents commercial, industrial, and office air quality work. Buyers should verify the exact method, credentials, documentation, and result for the building.
TS Environmental is currently positioned more broadly around facility systems. Air quality and filtration sit alongside commercial HVAC, ductwork and insulation, controls, and monitoring. That may fit a team that needs to understand how an air concern relates to equipment, access, pressure, distribution, or maintenance before selecting a specialist scope.
