Global, Inc. performed confined space safety monitoring during the repair and installation of heating, ventilation, and air conditioning systems inside a crawl space located in a boiler room. Our Certified Safety Professional (CSP) performed a baseline assessment of potential hazards and air quality inside the confined space, and inspected the safety equipment on site. Our trained confined space entry technician performed hourly monitoring of air quality parameters (e.g., Oxygen, Carbon Dioxide, Carbon Monoxide, Respirable Particulates, Temperature, LEL) inside the confined space during the renovation work, monitored the use of PPE and safe work practices of workers engaged with different tasks, and maintained daily records.