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Mitsubishi 12,000 BTU SEZ-AD-Series 20.3 SEER2 Single Zone Ceiling Cassette Mini Split Heat Pump System – R454B | 230V

Mitsubishi 12,000 BTU SEZ-AD-Series 20.3 SEER2 Single Zone Ceiling Cassette Mini Split Heat Pump System – R454B | 230V
Image SUZ-AA12NL SUZ-AA12NL SUZ-AA12NL SLZ-AF12NL / SLP-18FAU SLP-18FAU 201813 / CW-144-15 366390 / CW-144-25 216740 / CW-144-30 366395 / CW-144-35 366396 / CW-144-50 HW-600 87762 / EL1838-3 87762 / EL1838-3 87762 / EL1838-3 MSK001

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Mitsubishi

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Model

SUZ-AA12NL / SLZ-AF12NL

ID

199209

Was $4,121.19
Your Low Price $3,647.00
 
Customize Mitsubishi 12,000 BTU SEZ-AD-Series 20.3 SEER2 Single Zone Ceiling Cassette Mini Split Heat Pump System – R454B | 230V
12,000 BTU Mitsubishi Single Zone Condenser - R454B
12,000 BTU Mitsubishi Single Zone Condenser - R454B
12,000 BTU Mitsubishi Single Zone Condenser - R454B   + $1,696.50
12,000 BTU Mitsubishi P-Series Ceiling Cassette Mini Split Air Handler - R454B
12,000 BTU Mitsubishi P-Series Ceiling Cassette Mini Split Air Handler - R454B
12,000 BTU Mitsubishi P-Series Ceiling Cassette Mini Split Air Handler - R454B   + $1,634.00
Mitsubishi SLP-18FAU Grille for KF Cassettes
Mitsubishi SLP-18FAU Grille for KF Cassettes
Mitsubishi SLP-18FAU Grille for KF Cassettes   + $316.50
15 feet - 1/4" and 3/8" Line Set & Control Wire
17" Wall Mount Bracket for Mini Split Systems
Installation Kit for Condensers
Mitsubishi 12,000 BTU SEZ-AD-Series 20.3 SEER2 Single Zone Ceiling Cassette Mini Split Heat Pump System – R454B | 230V

$3,647.00

Get Premium Comfort for up to 35% Less.

Efficient mini split heat pump system designed to deliver quiet year-round comfort for medium spaces with a sleek ceiling cassette design.

The Mitsubishi P-Series 12,000 BTU single-zone ceiling cassette mini split heat pump system provides reliable heating and cooling for medium spaces. With a low-profile cassette indoor unit and discreet ceiling-mounted installation, it delivers dependable comfort, efficient operation, and a clean, space-saving design ideal for rooms with limited wall space.

Mitsubishi P-Series Single Zone Ceiling Cassette Features and Benefits

  • 20.3 SEER2 Efficiency – Delivers strong energy savings with efficient heating and cooling performance.
  • Year-Round Comfort – Provides reliable heating and cooling from one complete system.
  • Ceiling Cassette Design – Installs neatly into the ceiling for a clean, finished appearance.
  • R454B Refrigerant – Uses a lower-GWP refrigerant for a more eco-conscious footprint.

Quiet Comfort

The indoor and outdoor components are engineered for low-noise performance, making this system a great choice for bedrooms, living rooms, kitchens, offices, and everyday living spaces.

Low-Profile Cassette Design

The compact ceiling cassette preserves wall space while providing balanced airflow and a discreet installation that blends seamlessly into the room.

Right-Sized Performance

With 12,000 BTU of cooling capacity and 15,000 BTU of heating capacity, this system is ideal for medium spaces requiring efficient and dependable climate control.

What’s Included

  • Mitsubishi Single Zone Mini Split Heat Pump Condenser — 12,000 BTU cooling / 15,000 BTU heating
  • Mitsubishi 12,000 BTU Ceiling Cassette Indoor Unit — SLZ-AF12NL
  • Owner's Manual, Guides, and Other Documents

Recommended Accessories

  • 17" Wall Mount Bracket for Mini Split Systems – HW-600
  • E Lite Equipment Pad and Risers Kit- 87762 / EL1838-3
  • Installation Kit – MSK001
    • • 3/4" x 6' Electrical Whip – SKU: 84138 • 60A Non-Fused Disconnect – SKU: 83335 • Surge Protector – SKU: ICM517 • CPS Charging Adapter – SKU: 87-AD87 • Telescoping Wall Sleeve – SKU: NFP-75
  • Additional line set options
    • • 15 ft – 201813 / CW-144-15 • 25 ft – 366390 / CW-144-25 • 30 ft – 216740 / CW-144-30 • 35 ft – 366395 / CW-144-35 • 50 ft – 366396 / CW-144-50

Warranty

10-year limited warranty with online registration.

12,000 BTU Mitsubishi Single Zone Condenser - R454B

Create efficient heating and cooling with a compact outdoor condenser designed to simplify climate upgrades.

Upgrade your comfort with the Mitsubishi SUZ-AA12NL Outdoor Condenser—an inverter-driven outdoor unit designed to deliver efficient heating and cooling for single-zone systems. Built for residential and light commercial applications that demand dependable performance, quiet operation, and easier installation, this condenser pairs effortlessly with a compatible Mitsubishi indoor unit for reliable, year-round comfort.

Key Features

  • Designed for Heating and Cooling — Delivers dependable comfort for small single-zone spaces.
  • Inverter-Driven Performance — Helps maintain consistent temperatures while optimizing energy use.
  • Quiet Outdoor Operation — Engineered for low-noise performance to help preserve a comfortable environment.
  • Built for Durability — Features a corrosion-resistant outdoor coil coating for added protection in challenging environments.

Warranty

Mitsubishi offers a limited warranty of 10-Year Compressor / 10-Year Parts Warranty when installed according to manufacturer guidelines and registered properly.

12,000 BTU Mitsubishi P-Series Ceiling Cassette Mini Split Air Handler - R454B

SLZ-AF12NL Air Handler Overview

The SLZ-AF12NL air handler, paired with the SUZ-AA12NL outdoor unit, is a high-efficiency solution designed for both residential and light commercial applications. With its compact design and reliable performance, this air handler provides optimal comfort and air quality. It offers flexible installation options, making it ideal for spaces with limited ceiling clearance or restricted installation areas.

Key Features

  • Compact and Low-Profile Design: The SLZ-AF12NL features a slim, low-profile construction that allows for installation in tight spaces such as ceilings and narrow ducts. This makes it perfect for applications where space is at a premium.
  • High Energy Efficiency: Designed with energy-saving technology, the SLZ-AF12NL ensures optimal performance while keeping operating costs low. It provides both heating and cooling functions to enhance year-round comfort.
  • Quiet Operation: Equipped with sound-reducing components, the air handler ensures quiet operation, which is ideal for bedrooms, offices, and other noise-sensitive environments.
  • Advanced Filtration System: The SLZ-AF12NL includes an efficient air filter that helps capture dust, allergens, and other airborne particles, improving indoor air quality and ensuring a healthier living or working environment.
  • Flexible Drainage Options: With versatile installation options for horizontal or vertical drainage, this unit accommodates various building configurations and installation preferences.

Specifications

  • Cooling Capacity: 12,000 BTU/h
  • Heating Capacity: 12,000 BTU/h
  • Power Supply: 208-230V, 60Hz, 1-phase
  • Dimensions (W x H x D): 29-5/8" x 10-1/8" x 28-1/4”
  • Weight: 46.3 lbs
  • Refrigerant: R410A
  • Airflow: 635 CFM

Benefits

  • Space-Saving Design: The compact size of the SLZ-AF12NL is ideal for installations in tight spaces where conventional air handlers may not fit. It is suitable for both residential and light commercial use.
  • Energy Efficiency: By optimizing energy consumption, the SLZ-AF12NL offers a cost-effective solution for heating and cooling. It helps reduce overall electricity bills while maintaining high performance.
  • Quiet and Comfortable: The air handler is designed to minimize noise levels, making it ideal for use in areas that require minimal disruption, such as living rooms, bedrooms, and offices.
  • Improved Air Quality: The advanced filtration system captures dust, allergens, and other particles, promoting a cleaner and healthier indoor environment for occupants.

Applications

  • Residential Applications: The SLZ-AF12NL is perfect for residential properties, offering efficient and reliable climate control in apartments, homes, and condominiums, where space is limited.
  • Light Commercial Applications: Ideal for small businesses, offices, and retail spaces, the SLZ-AF12NL provides efficient comfort while saving on energy consumption.

Maintenance

  • Low Maintenance: The SLZ-AF12NL is designed for easy maintenance. Regular filter cleaning and occasional servicing ensure long-term reliability and optimal performance.
  • Durable and Long-Lasting: Built with high-quality materials, the SLZ-AF12NL is designed for durability and longevity, making it a dependable choice for both residential and commercial environments.

The SLZ-AF12NL air handler, paired with the SUZ-AA12NL outdoor unit, offers a high-performance and energy-efficient solution for both residential and light commercial spaces. Its compact design, quiet operation, and advanced features make it an excellent choice for those seeking comfort and efficiency in smaller or more confined areas. With its reliable performance and flexible installation options, the SLZ-AF12NL provides year-round comfort while helping to reduce energy consumption and improve indoor air quality.

* Please Note * This product does NOT include a remote controller and one would need to be purchased separately. The MHK2 Thermostat can be used in place of a remote controller.
15 feet - 1/4" and 3/8" Line Set & Control Wire

Complete your mini-split installation with this convenient Line Set & Control Wire Bundle, designed to provide both the refrigerant lines and communication wire needed for reliable system performance. This bundle includes a heavy-duty 15-foot refrigerant line set with 1/4" liquid line and 3/8" suction line featuring durable flared ends for secure connections, along with a matching 15-foot 14/4 stranded copper control wire for dependable communication between indoor and outdoor mini-split components.

The insulated refrigerant lines help improve efficiency and durability, while the flexible control wire is built to withstand demanding HVAC installation environments. Ideal for ductless mini-split air conditioning and heat pump systems, this bundle helps simplify installation by combining two essential components into one convenient package.

What's Included

  • 15 ft. insulated refrigerant line set
  • 15 ft. 14/4 mini-split control wire
  • 1/4" liquid line with flared ends
  • 3/8" suction line with flared ends

Features

  • 1/2" thick insulation for improved efficiency
  • Heavy-duty refrigerant line construction
  • Stranded copper wire for reliable conductivity
  • Flexible and durable installation materials
  • Compatible with most mini-split systems
  • Ideal for HVAC installations and replacements
Mitsubishi SLP-18FAU Grille for KF Cassettes

The Mitsubishi SLP-18FAU is the standard grille option required to complete a KF cassette installation.

Features:

  • Overlaps a 2' x 2' ceiling tile to hide indoor unit from view.

Compatible Indoor Units:

Ceiling Cassette

  • KF Series: SLZ-KF09NA, SLZ-KF12NA, SLZ-KF15NA, SLZ-KF18NA
17" Wall Mount Bracket for Mini Split Systems

This wall mount bracket is perfect for outdoor mini split condensers. The length of the the wall bracket arms are 17” long. The condensing unit is mounted onto the L-shaped brackets and fastened using the bolts and anti-vibration washers provided.

Features:
  • 17” Arm Length
  • Weight capacity of 220 lbs per arm
  • Bolts and anti-vibration washers included

No Return Policy

All sales of this product are final and are non-refundable.

Installation Kit for Condensers

Ensure a professional and secure installation for your condenser with this comprehensive installation kit. Designed to provide all the essential components needed for a smooth setup, this kit helps protect your system while ensuring proper electrical and refrigerant connections.

What’s Included:

  • 3/4" x 6' Electrical Whip – SKU: 84138
  • 60A Non-Fused Disconnect – SKU: 83335
  • Surge Protector – SKU: ICM517
  • CPS Charging Adapter – SKU: 87-AD87
  • Telescoping Wall Sleeve – SKU: NFP-75

Equip your condenser with everything needed for a safe, durable, and professional installation. Order your Condenser Installation Kit today!

25 feet - 1/4" and 3/8" Line Set & Control Wire

Complete your mini-split installation with this convenient Line Set & Control Wire Bundle, designed to provide both the refrigerant lines and communication wire needed for reliable system performance. This bundle includes a heavy-duty 25-foot refrigerant line set with 1/4" liquid line and 3/8" suction line featuring durable flared ends for secure connections, along with a matching 25-foot 14/4 stranded copper control wire for dependable communication between indoor and outdoor mini-split components.

The insulated refrigerant lines help improve efficiency and durability, while the flexible control wire is built to withstand demanding HVAC installation environments. Ideal for ductless mini-split air conditioning and heat pump systems, this bundle helps simplify installation by combining two essential components into one convenient package.

What's Included

  • 25 ft. insulated refrigerant line set
  • 25 ft. 14/4 mini-split control wire
  • 1/4" liquid line with flared ends
  • 3/8" suction line with flared ends

Features

  • 1/2" thick insulation for improved efficiency
  • Heavy-duty refrigerant line construction
  • Stranded copper wire for reliable conductivity
  • Flexible and durable installation materials
  • Compatible with most mini-split systems
  • Ideal for HVAC installations and replacements
Equipment Pad and Risers Kit

E Lite Condenser Pad and Risers

E Lite Condenser Pad

E Lite Condenser Pad is designed to provide solid support for air conditioning condensers. It's made from sturdy polypropylene, striking a balance between lightness and stability. Its robust design ensures a level ground without the need for extra components.

Key Features:

  • Reliable Support: Abundance of ridges for stable ground support.
  • Durable and Lightweight: Tough yet not excessively heavy, thanks to polypropylene construction.
  • Anti-Slip: The surface prevents slipping, and rounded edges enhance safety.
  • Simple Appearance: Gray color with size labels.
  • Versatile Use: Suitable for condensers, pipes, ducts, cables, and more.

E Lite Risers

E Lite Risers complement the Condenser Pad, allowing you to adjust your setup as needed. They are constructed from weather-resistant PVC for outdoor use.

Key Features:

  • Weather Resistance: Made from tough PVC for long-lasting performance.
  • Secure Setup: The track securely holds bolts in place.
  • Bolts Included: Each set comes with two bolts.
  • Strong Support: Capable of handling loads of up to 397 pounds.

E Lite Condenser Pad and Risers offer reliable support without any complications. They are built to last and deliver efficient performance. Consider E Lite for your support needs – it's a practical solution for your projects.

No Return Policy

All sales of this product are final and are non-refundable.

30 feet - 1/4" and 3/8" Line Set & Control Wire

Complete your mini-split installation with this convenient Line Set & Control Wire Bundle, designed to provide both the refrigerant lines and communication wire needed for reliable system performance. This bundle includes a heavy-duty 30-foot refrigerant line set with 1/4" liquid line and 3/8" suction line featuring durable flared ends for secure connections, along with a matching 30-foot 14/4 stranded copper control wire for dependable communication between indoor and outdoor mini-split components.

The insulated refrigerant lines help improve efficiency and durability, while the flexible control wire is built to withstand demanding HVAC installation environments. Ideal for ductless mini-split air conditioning and heat pump systems, this bundle helps simplify installation by combining two essential components into one convenient package.

What's Included

  • 30 ft. insulated refrigerant line set
  • 30 ft. 14/4 mini-split control wire
  • 1/4" liquid line with flared ends
  • 3/8" suction line with flared ends

Features

  • 1/2" thick insulation for improved efficiency
  • Heavy-duty refrigerant line construction
  • Stranded copper wire for reliable conductivity
  • Flexible and durable installation materials
  • Compatible with most mini-split systems
  • Ideal for HVAC installations and replacements
35 feet - 1/4" and 3/8" Line Set & Control Wire

Complete your mini-split installation with this convenient Line Set & Control Wire Bundle, designed to provide both the refrigerant lines and communication wire needed for reliable system performance. This bundle includes a heavy-duty 35-foot refrigerant line set with 1/4" liquid line and 3/8" suction line featuring durable flared ends for secure connections, along with a matching 35-foot 14/4 stranded copper control wire for dependable communication between indoor and outdoor mini-split components.

The insulated refrigerant lines help improve efficiency and durability, while the flexible control wire is built to withstand demanding HVAC installation environments. Ideal for ductless mini-split air conditioning and heat pump systems, this bundle helps simplify installation by combining two essential components into one convenient package.

What's Included

  • 35 ft. insulated refrigerant line set
  • 35 ft. 14/4 mini-split control wire
  • 1/4" liquid line with flared ends
  • 3/8" suction line with flared ends

Features

  • 1/2" thick insulation for improved efficiency
  • Heavy-duty refrigerant line construction
  • Stranded copper wire for reliable conductivity
  • Flexible and durable installation materials
  • Compatible with most mini-split systems
  • Ideal for HVAC installations and replacements
50 feet - 1/4" and 3/8" Line Set & Control Wire

Complete your mini-split installation with this convenient Line Set & Control Wire Bundle, designed to provide both the refrigerant lines and communication wire needed for reliable system performance. This bundle includes a heavy-duty 50-foot refrigerant line set with 1/4" liquid line and 3/8" suction line featuring durable flared ends for secure connections, along with a matching 50-foot 14/4 stranded copper control wire for dependable communication between indoor and outdoor mini-split components.

The insulated refrigerant lines help improve efficiency and durability, while the flexible control wire is built to withstand demanding HVAC installation environments. Ideal for ductless mini-split air conditioning and heat pump systems, this bundle helps simplify installation by combining two essential components into one convenient package.

What's Included

  • 50 ft. insulated refrigerant line set
  • 50 ft. 14/4 mini-split control wire
  • 1/4" liquid line with flared ends
  • 3/8" suction line with flared ends

Features

  • 1/2" thick insulation for improved efficiency
  • Heavy-duty refrigerant line construction
  • Stranded copper wire for reliable conductivity
  • Flexible and durable installation materials
  • Compatible with most mini-split systems
  • Ideal for HVAC installations and replacements
More Information
Mitsubishi 12,000 BTU SEZ-AD-Series Single Zone Mini Split Heat Pump Condenser R454B | 230V
FeatureSpec
SKUSUZ-AA12NL
Refrigerant Charge2 lbs (Pre-charged for 65ft line set)
Weight (in lbs)81
Brand/ManufacturerMitsubishi
ReplacesSUZ-KA12NA2.MX
UPC605468186978
Cooling BTU12,000 BTU
Heating BTU15,000 BTU
Decibel Level (dBA)51 dBA
Electric HeatHeat Pump
Energy StarYes
RefrigerantR454B
HSPF28.7
SEER2 (Efficiency)19.7
EER212.6
Liquid Line1/4"
Suction Line3/8"
Electrical230V | 1 Phase | 60Hz
Max Breaker Size23 Amps
Min. Breaker Size14 Amps
BTU/Tonnage12,000 BTU/1 Ton
Min/Max Outdoor Temp for Heating−4 °F - 75 °F
Min/Max Outdoor Temp for Cooling14 °F - 115 °F
Zone CompatibilitySingle Zone
Ambient Temperature Range14 °F - 115 °F
Height21.62"
Width31.5"
Depth11.25"
Warranty10 Years with Online Registration
Resources You will need Adobe® Acrobat® Reader to view PDF documents.
Safety InformationPROPOSITION 65 WARNING
Mitsubishi 12,000 BTU SEZ-AD-Series Single or Multi Zone Ceiling Cassette Mini Split Air Handler R454B | 230V
FeatureSpec
SKUSLZ-AF12NL / SLP-18FAU
Weight (in lbs)48
Brand/ManufacturerMitsubishi
ReplacesSLZ-KF12NA1
UPC613365258193
Heating BTU12,000 BTU
Decibel Level (dBA) 25-34
RefrigerantR454B
HSPF29.7
Mini Split TypeCeiling Cassette
Zone CompatibilityMulti Zone
Height9-21/32"
Width22-7/16"
Depth22-7/16"
Warranty10 Years with Online Registration
Safety InformationPROPOSITION 65 WARNING
Mitsubishi SLP-18FAU Grille for KF Cassettes
FeatureSpec
SKUSLP-18FAU
Weight (in lbs)5
Brand/ManufacturerMitsubishi
UPC613365387176
Electrical12v, supplied from indoor unit
Length24-19/32"
Height25/32"
Width24-19/32"
Resources You will need Adobe® Acrobat® Reader to view PDF documents.
Safety InformationPROPOSITION 65 WARNING
Refrigerant Line Set with 1/4" and 3/8" Line Ends & Control Wire - 50 feet
FeatureSpec
SKU366396 / CW-144-50
Weight (in lbs)45
Brand/ManufacturerOnline Supply
UPCna
Length50'
Height1/2"
Width1/2"
Safety InformationPROPOSITION 65 WARNING
Refrigerant Line Set with 1/4" and 3/8" Line Ends & Control Wire - 35 feet
FeatureSpec
SKU366395 / CW-144-35
Weight (in lbs)35
Brand/ManufacturerOnline Supply
UPCna
Length35'
Height1/2"
Width1/2"
Safety InformationPROPOSITION 65 WARNING
Refrigerant Line Set with 1/4" and 3/8" Line Ends & Control Wire - 30 feet
FeatureSpec
SKU216740 / CW-144-30
Weight (in lbs)30
Brand/ManufacturerOnline Supply
UPCna
Length30'
Height1/2"
Width1/2"
Safety InformationPROPOSITION 65 WARNING
Refrigerant Line Set with 1/4" and 3/8" Line Ends & Control Wire - 25 feet
FeatureSpec
SKU366390 / CW-144-25
Weight (in lbs)25
Brand/ManufacturerOnline Supply
UPCna
Length25'
Height1/2"
Width1/2"
Safety InformationPROPOSITION 65 WARNING
Refrigerant Line Set with 1/4" and 3/8" Line Ends & Control Wire - 15 feet
FeatureSpec
SKU201813 / CW-144-15
Weight (in lbs)15
Brand/ManufacturerOnline Supply
UPCna
Liquid Line1/4"
Suction Line3/8"
Length15'
Height1/2"
Width1/2"
Safety InformationPROPOSITION 65 WARNING
17" Wall Mount Bracket for Mini Split Systems
FeatureSpec
SKUHW-600
Weight (in lbs)9.2
Brand/ManufacturerOnline Supply
Length17"
Height20"
Width6"
Resources You will need Adobe® Acrobat® Reader to view PDF documents.
Safety InformationPROPOSITION 65 WARNING
E Lite Equipment Pad and Risers Kit 18" x 38" x 3"
FeatureSpec
SKU87762 / EL1838-3
Weight (in lbs)25
Brand/ManufacturerOnline Supply
UPCna
Height3"
Width18"
Depth38"
Safety InformationPROPOSITION 65 WARNING
Installation Kit for Condensers - Accessory Set
FeatureSpec
SKUMSK001
Weight (in lbs)15
Brand/ManufacturerOnline Supply
UPCna
Resources You will need Adobe® Acrobat® Reader to view PDF documents.
Safety InformationPROPOSITION 65 WARNING
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Why Choose Mitsubishi Mini Splits?

Mitsubishi mini split air conditioners and heat pumps provide exceptional comfort, energy efficiency, and ultra-quiet performance in any climate. Engineered for reliability and precision, these systems offer year-round heating and cooling while reducing energy costs and enhancing indoor air quality.

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