13acx
Single-Stage Air Conditioner
Affordable, efficient cooling
Merit models come with a 5-Year Limited Warranty on compressors and a 5-Year Limited Warranty on covered components. A 10-Year Extended Limited Warranty is available with product registration. For more information, visit www.Lennox.com/WarrantyYourWay.
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A smart choice for affordable, efficient comfort
The 13ACX offers an efficiency rating the meets
or exceeds 13 SEER, making it a smart investment.
Tough against the elements
The 13ACX is designed with a heavy-gauge,
galvanized steel PermaGuard™ cabinet to resist the elements for years to come.
"This unit is a great buy. You get a very efficient unit for the money. It has cut my electric bill in half."
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13ACX Air Conditioner
Resources
Product Literature
FAQs
Glossary of terms
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- Air Handler
- An air handler, or air handling unit, is the indoor part of an air conditioner or heat pump that moves cooled or heated air throughout the ductwork of your home. It is usually a large metal box containing important elements of an HVAC system that controls airflow and filtration. Lennox® air handlers are among the most efficient and quietest you can buy.
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- Central Air-Conditioning
- Central air conditioning (or central A/C) is a system in which air is cooled at a central location and distributed to and from rooms by one or more fans and ductwork. Lennox® central air conditioners are among the quietest and most energy-efficient units you can buy.
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- Compressor
- An AC or heat pump compressor is the part of an outdoor air conditioner or heat pump that compresses and pumps refrigerant to meet household cooling requirements.
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- Condenser
- A condenser (or AC condenser) is the outdoor portion of an air conditioner or heat pump that either releases or collects heat, depending on the time of the year.
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- Decibel (dB)
- A decibel (dB) is a unit used to measure the relative intensity of sound. For example, sound levels in a library are normally about 40 dB, normal conversations range from about 50 to 60 dB, and an operating motorcycle or garbage truck can be as high as 100 dB.
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- Dry-Charged Unit
- An air conditioner or heat pump that is shipped dry and charged with refrigerant at the place of installation. Dry-charged units are appropriate for homeowners who need a replacement unit compatible with R-22 refrigerant.
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- R-22 Refrigerant
- The old standard for residential air conditioners, now being phased out by the U.S. EPA. Lennox offers dry-charged units for those who still have R-22 compatible systems.
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- R-410A Refrigerant
Learn MoreR-410A, is a chlorine-free, hydrofluorocarbon (HFC) refrigerant originally developed as a more environmentally friendly replacement for R-22. R-410A was developed and patented in 1991 by Honeywell.
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- Refrigerant
Learn MoreRefrigerant is the working fluid used in air conditioners, refrigeration, and heat pump systems. It is a chemical compound that changes temperature as it transitions between liquid and gas form – cooling as it vaporizes, and heating up as it condenses. It is this property that facilitated a system’s ability to heat and cool.
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- Refrigerant Lines
- Two copper lines that connect the outdoor air conditioner or heat pump to the indoor evaporator coil.
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- Scroll Compressor
- A specially designed compressor that works in a circular motion, as opposed to up-and-down piston action.
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- SEER
Learn MoreSimply put, this rating measures how much energy a heating and cooling system uses to operate. Learn how you can use SEER and SEER2 ratings to increase efficiency – and savings – in your home.