The marketAir company was founded by President Gerry Spanger. Originally, it began as a manufacturer's representative in 1986. After that, MarketAir reinvented itself as an exporter, importer, manufacturer, and distributor. It specialized in producing components and accessories for the Heating, Ventilation, and Air Conditioning (HVAC) industry. The company is headquartered in Edison, NJ, United States.

MarketAir has owned many innovative new products for both commercial and residential applications. It covers almost both the mini-split and ducted sectors. Moreover, the company operates as a national distributor for smaller independent manufacturers in the United States. and has set up a national network of manufacturers through which these products are sold to wholesale distributors in the HVAC and Refrigeration industry.

MarketAir is one of the branded names in manufacturing and producing RoughinBox. The company designs and engineers several models of Rough-in Boxes. Recently, it introduced the RoughinBox RBX-3, the versatile redesign of the original RoughinBox for VRF, VRV, or mini-split applications. The RBX-3 includes an extra line set port (total 5 line set entry ports) and offers side as well as bottom drain outlets that will reduce overall installation time.

RBX-3 is the third generation RoughinBox combining the RBX-1 bottom drain outlet and RBX-2 side outlet. The additional port facilitates the line set entry from any direction.