Improving Indoor Air Quality in the Industrial Workplace with Make-Up Air & Building Pressurization. Rapid Engineering LLC manufactures industrial-grade make-up air solutions for the rigors of industrial & commercial applications. Our history and expertise in enhanced heavy-duty welded cabinet construction and features shows through all of our models.
Daren Konecny Jr — Its hard to reach anyone when you need them, they take forever to call back. not the kind of service you would want when