The Carrier Infinity 18 is a discontinued high efficiency air conditioner. Offering up to 18 SEER when paired with compatible components, this series used Puron refrigerant and was available in 2- to 5-ton models.
Features of the 38TDB included a 2-speed compressor, the company’s proprietary “Silencer System” to maintain quiet operation as low as 69 decibels, and an on-board self-diagnostic system for quick maintenance. A copper tube aluminum fin coil, high and low pressure switches, and liquid line filter drier were additional components of this series.
The exterior of the unit was protected with Carrier’s WeatherArmor System, including a condenser grille guard, powder paint finish, and ceramic-coated cabinet screws. Optional accessories such as a low-pressure and high-pressure switch kit were also available.The Infinity 18 air conditioner was part of the Carrier Infinity series.
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