3.5 Ton Air Conditioner | Ruud 14.3 SEER2 Single-Stage, R-454B | RA14AY42AJ1NA

The Ruud RA14AY42AJ1NA is a 3.5-ton Endeavor Line air conditioner built on the next-generation R-454B (A2L) refrigerant, delivering up to 14.3 SEER2 cooling efficiency from a single-stage compressor. It draws 20 A minimum circuit ampacity on a 30 A max breaker (208-230V / 1-phase / 60Hz), with 3/8" liquid and 7/8" suction line connections for a straightforward line-set match.

Part of Ruud's low-GWP Endeavor Line, it pairs with Endeavor air handlers, coils, and gas furnaces to hit certified AHRI system ratings. A value-tier single-stage air conditioner with contractor-friendly serviceability: expanded valve space, triple service access, and a built-in refrigerant detection system, with sound as low as 70 dB. Backed by a 10-year conditional parts (with registration).

Manufacturer details: Ruud Endeavor RA14AY

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