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Infinity 18
With Puron® refrigerant and two-speed technology, the Infinity 18 delivers excellent efficiency, reliability and proven performance throughout its lifetime.
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Innovation, Advanced Technology and Lasting Comfort!
Highest energy efficiency — up to 18.0+ SEER
Estimated energy cost savings up to 60%
Environmentally sound Puron® refrigerant.
Two-speeds — operates on low speed 80% of the time.
Quiet operation with sound ratings as low as 69 dB.
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.
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.
Warranty
The Carrier Infinity 18 air conditioner includes a10-year limited warranty on the compressor and a five-year limited warranty on the entire unit. Extended warranties are also available.
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An Inside view of the Infinity 18

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Two-speed Compressor - The heart of the air conditioner, the compressor pumps refrigerant through the system.
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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.
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Copper Tube/Aluminum Fin Coil transfers heat outside to maximize indoor cooling while resisting corrosion.
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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
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High- and Low-pressure Switches protect the system from damage by shutting off when harmful conditions are detected.
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Filter Drier constantly filters the refrigerant to remove moisture or other contaminants that can harm your air conditioning system.
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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
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Puron® refrigerant is environmentally sound
and won’t deplete the ozone layer. Carrier
introduced Puron® refrigerant a full six
years ahead of the competition,
paving the way for the future.
The Clean Air Act of 1990
prohibits the production of
HCFC-based air conditioners
and heat pumps by 2010, and bans
Freon®–22* production by 2020. As Freon®
production reduces, its cost is predicted to
increase. Freon®–12 in the automotive
industry increased by a whopping 800% in
a short seven years! Ensure your cooling
costs by investing in systems with
Puron® refrigerant — the environmentally
sound, efficient and
dependable refrigerant
designed for the future. Carrier's
Infinity™ 18 air conditioner with
Puron® refrigerant and two-speed
technology delivers excellent efficiency,
reliability and proven performance.
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As an ENERGY STAR®
partner, Carrier
Corporation has determined
that the Infinity™ 18
air conditioner meets
the ENERGY STAR®
guidelines for energy
efficiency.
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