Sterling HVAC products, a Mestek Technology company: Rooftop Make-up Air UnitThe Xcelon system rooftop make-up air unit combines condensing boiler technology with air distribution and heat recovery methods for efficiency levels up to 98 percent. Xcelon’s unique engineering combines hydronic technology and an integrated control platform to produce high-efficiency outputs. Available with an 800-1,200 Mbtuh heating capacity, Xcelon utilizes a factory-charged, closed-loop, 35 percent glycol mix for freeze protection with no separate water supply required. It can offer airflow of 4,501-10,000 cfm.

Sterling HVAC products, a Mestek Technology company

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