Infinity 18 Air Conditioner Innovation, Advanced Technology and Lasting Comfort Highest energy efficiency — up to 18.0+ SEER with estimated energy cost savings up to 60% Environmentally sound Puron® refrigerant. Two-speed capability — operates on low speed 80% of the time. Quiet operation with Carrier’s Silencer System with sound ratings as low as 69 dB. Protected by Carrier’s WeatherArmor™ III enhanced condenser grille guard. Superior comfort and humidity control. Infinity™ Control Board for ultimate comfort. Improved indoor air quality. Self diagnostics. 10-year compressor limited warranty. Five-year parts limited warranty. Benefits - The revolutionary Infinity® System is the only system in the industry that allows you to control temperature, humidity, air quality, fan speed, ventilation; and even detects when your air filter needs replacing. It’s so advanced it automatically adjusts to your system’s needs for peak-efficiency and performance. Download Brochure Features - Carrier’s two-speed compressor design has the most trouble free performance record of any compressor on the market today. An extra thick shell protects the life of your compressor for excellent reliability.       An Inside view of the Infinity 18     The Two-speed Compressor – as the heart of the air conditioner, the compressor pumps refrigerant through the system. Electronic Circuit Board – allows precise control over low- and high-speed compressor operation and enables the unit to connect to the Infinity Control for the ultimate comfort control. Smart electronics keep track of previous cycles and allow the system to automatically select the correct setting for the best comfort and energy efficiency. Copper Tube/Aluminum Fin Coil – transfers heat outside to maximize indoor cooling while resisting corrosion. Carrier’s exclusive Silencer System – is designed for quieter operation by minimizing vibration and uses special insulation that helps absorb sound. The five key components include a. Silencer top b. Integrated fan motor and blade c. Compressor vibration isolator plate d. Sound hood e. Split-post compressor grommets High- and Low-pressure Switches – protect the system from damage by shutting off when harmful conditions are detected. Filter Drier – constantly filters the refrigerant to remove moisture or other contaminants that can harm your air conditioning system. WeatherArmor III protection package – combines three design elements that protect your comfort. a. Galvanized steel cabinet b. Heavy-duty wire grille c. Ceramic-coated screws     Specifications