At 93% thermal efficiency for all model sizes, Modine’s Effinity93 condensing unit heater features the highest efficiency available in North America for commercial and industrial gas-fired unit heaters. This industry leading efficiency is a result of the coupling of our ConservicoreTM secondary heat exchanger technology with our robust tubular primary heat exchanger design. The ConservicoreTM technology features a secondary recuperative heat exchanger fabricated from AL29-4C® stainless steel. This material is superior to other lower grades of stainless steel and aluminum, resulting in outstanding ability to withstand the corrosive environment of condensing gas fired equipment.
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