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Nortek Global R7DA Combination DOAS/RTU


Nortek Global HVAC has added the R7DA, a combination dedication outdoor air system (DOAS) and conventional space conditioning rooftop unit (RTU), to the Reznor and Mammoth branded R7 Platform product lines for optimum indoor air quality (IAQ) and space comfort in commercial applications.

The low cost R7DA is the industry’s only direct expansion (DX) package DOAS/RTU offering a drop-in replacement that fits many existing RTU brand roof curbs. Its one-inch-thick R-13 foam-insulated panel cabinet and dozens of available highly-configurable options rival custom-built units, but its cost is comparable to off-the-shelf systems.

Its small footprint and low cost solve new construction and retrofit outdoor air compliance challenges for hair/nail salons, small restaurants, retail stores, government buildings and other facilities. The R7DA will help these application types meet the mandates for outdoor air and comply with U.S. Department of Energy (DOE) codes based on ASHRAE 62.1, ASHRAE 90.1, AHRI-920 and other standards.


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