Trane TEM4 series is a line up of efficient air handlers. The Trane 3 Ton 14 SEER 30000 BTU Convertible Air Handler TEM4A0B36S31SB is no exception. The unit allows as low as 2% leakage or even less.
Product Link- https://greenleafair.com/product/trane-3-ton-14-seer-36000-btu-air-handler-tem4a0b36s31sb/
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