Make-Up Air: Achieving Your Operational Goals Air Make-Up Units (AMUs) increase safety, improve productivity and reduce operational costs. Safety AMUs positively pressurize your facility, increasing exhaust fan fl ow up to 7% and improving air quality for employees and guests. They also eliminate door slam to reduce total recordable incident rate (TRIR). Productivity The improved air fl ow reduces unplanned absenteeism by an estimated 12%.* Positive building pressure also keep insects out of your process. Competitiveness Safety and productivity reduce variable overhead and G&A spending. A typical 100% outside air Aerovent AMU has a 12-month return on investment and a 30year design life expectancy. *Top Work-Related Injury Causes: https://injuryfacts.nsc.org/work/work-overview/ top-work-related-injury-causeshttps://injuryfacts.nsc.org/work/work-overview/top-work-related-injury-causes https://injuryfacts.nsc.org/work/work-overview/top-work-related-injury-causes