AirChangeRateAssistant is a professional tool designed for anyone who needs to calculate, analyze, or optimize indoor air quality and ventilation. Whether you are an HVAC engineer, building designer, facility manager, health & safety officer, or simply a homeowner concerned about fresh air, this app provides accurate and easy-to-use calculators for air change rates, CO₂ concentration prediction, and airflow unit conversion. Who is it for? HVAC professionals and engineers Architects and building designers Facility and property managers School, hospital, and office administrators Environmental health & safety specialists Homeowners and tenants who care about indoor air quality Where can it be used? Residential homes and apartments Commercial offices and retail spaces Schools, universities, and classrooms Hospitals, clinics, and healthcare facilities Industrial plants and workshops Gyms, fitness centers, and public venues Key Features: Calculate required airflow and air change rates for any room Predict indoor CO₂ concentration based on occupancy and ventilation Instantly convert between CFM, m³/h, and L/s View and manage your calculation history Learn best practices for different space types AirChangeRateAssistant helps you ensure a healthy, comfortable, and compliant indoor environment—anywhere, anytime.
