Mitsubishi 18,000 BTU SEZ-AD-Series 24.7 SEER2 Single Zone Ceiling Cassette Mini Split Heat Pump System – R454B | 230V

Name: Mitsubishi 18,000 BTU SEZ-AD-Series 24.7 SEER2 Single Zone Ceiling Cassette Mini Split Heat Pump System – R454B | 230V
Brand: Mitsubishi
SKU: PUZ-AK18NL / PLA-AE18NL
Price: 5643 USD
Availability: OutOfStock

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Customer reviews

Rating:

4.6 out of 5

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Out of stock

Mitsubishi

Out of stock

Model

PUZ-AK18NL / PLA-AE18NL

199191

Description

Efficient mini split heat pump system designed to deliver quiet year-round comfort for small to medium spaces with dependable ceiling cassette performance.

The Mitsubishi P-Series 18,000 BTU single-zone ceiling cassette mini split heat pump system provides reliable heating and cooling for small to medium spaces, including bedrooms, offices, retail spaces, and open areas. Featuring a low-profile cassette indoor unit with four-way airflow, it offers dependable comfort, efficient operation, and a discreet ceiling-mounted design.

Mitsubishi P-Series Single Zone Ceiling Cassette Features and Benefits

24.7 SEER2 Efficiency – Provides strong energy-saving performance for efficient year-round comfort.
Year-Round Comfort – Delivers dependable heating and cooling in one complete system.
Ceiling Cassette Design – Blends into the ceiling for a clean and professional installation.
Four-Way Airflow Distribution – Provides even air coverage throughout the room.
Quiet Operation – Helps maintain a comfortable indoor environment with reduced operating noise.
R454B Refrigerant – Uses a lower-GWP refrigerant for a more eco-conscious footprint.

Quiet Operation

The indoor and outdoor components are engineered for quiet operation, making this system suitable for residential and commercial spaces where comfort and noise control are important.

Low-Profile Cassette Design

The ceiling cassette indoor unit provides a discreet installation while delivering efficient four-way airflow for consistent comfort throughout the space.

Right-Sized Performance

With 18,000 BTU of capacity, this system provides reliable climate control for small to medium spaces requiring efficient heating and cooling.

What’s Included

Mitsubishi Single Zone Heat Pump Condenser — 18,000 BTU cooling / 18,000 BTU heating
Mitsubishi 18,000 BTU Ceiling Cassette Indoor Unit — PLA-AE18NL
Owner's Manual, Guides, and Other Documents

Recommended Accessories

21" Wall Mount Bracket for Mini Split Systems – 230-B2L
E Lite Equipment Pad and Risers Kit – 87762 / EL1838-3
Installation Kit – MSK001
Additional line set options

Warranty

10-year limited warranty with online registration.

18,000 BTU Mitsubishi Single Zone Condenser - R454B

Create efficient heating and cooling with a compact outdoor condenser designed to simplify commercial climate upgrades and pair seamlessly with a compatible wall-mounted indoor air handler.

Upgrade your comfort with the Mitsubishi PUZ-AK18NL Outdoor Condenser—a hyper-heating inverter-driven outdoor unit designed to deliver efficient heating and cooling for wall-mounted systems. Built for 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

Hyper-Heating Performance — Helps maintain strong heating output in cold weather for added comfort through the winter.
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.

18,000 BTU Mitsubishi P Series Ceiling Cassette Air Handler - R454B

Enjoy efficient, quiet comfort with the Mitsubishi Electric PLA-AE18NL ceiling cassette indoor unit.

Transform the comfort of your space with the Mitsubishi Electric PLA-AE18NL Ceiling Cassette Mini Split Indoor Unit. Designed to deliver reliable heating and cooling for larger rooms, this indoor unit combines a low-profile ceiling cassette design with quiet performance for living rooms, open spaces, offices, and other everyday spaces.

Key Features

Efficient Year-Round Comfort — When paired with a compatible Mitsubishi condenser, it helps provide dependable heating and cooling while supporting efficient energy use.
Right-Sized Comfort for Larger Spaces — The 18,000 BTU capacity is well suited for bigger bedrooms, living areas, and other residential spaces.
Ultra-Quiet Operation — Helps create a comfortable environment with low-noise performance.
Advanced Filtration — Helps reduce airborne particles and odors for cleaner indoor air.

Warranty

10-year limited parts warranty with online registration.

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!

15 feet - 1/4" and 1/2" 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 1/2" 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
1/2" 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

25 feet - 1/4" and 1/2" 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 1/2" 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.

What's Included

25 ft. insulated refrigerant line set
25 ft. 14/4 mini-split control wire
1/4" liquid line with flared ends
1/2" 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 1/2" 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 1/2" 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.

What's Included

30 ft. insulated refrigerant line set
30 ft. 14/4 mini-split control wire
1/4" liquid line with flared ends
1/2" 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 1/2" 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 1/2" 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.

What's Included

35 ft. insulated refrigerant line set
35 ft. 14/4 mini-split control wire
1/4" liquid line with flared ends
1/2" 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

21" Wall Mount Bracket

This wall mount bracket is perfect for outdoor mini split condensers. The length of the the wall bracket arms are 21" long. The condensing unit is mounted onto the L-shaped brackets and fastened using the bolts and anti-vibration washers provided.

Features:

21" 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.

50 feet - 1/4" and 1/2" 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 1/2" 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.

What's Included

50 ft. insulated refrigerant line set
50 ft. 14/4 mini-split control wire
1/4" liquid line with flared ends
1/2" 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

Product Specs

More Information
Mitsubishi 18,000 BTU SEZ-AD-Series Single Zone Mini Split Heat Pump Condenser R454B \| 230V
Feature	Spec
SKU	PUZ-AK18NL
Weight (in lbs)	28
Brand/Manufacturer	Mitsubishi
Replaces	PUZ-A18NKA7
UPC	605468299531
Cooling BTU	18000
Heating BTU	18,000 BTU
Maximum CFM	1,590
Decibel Level (dBA)	46
Electric Heat	Heat Pump
Refrigerant	R454B
SEER2 (Efficiency)	19.5
EER2	11
Condenser Stages	Variable Speed
Compressor Type	Twin Rotary
Liquid Valve Size	1/4
Suction Valve Size	1/2
Electrical	208/230V 1 Phase 60 Hz
Max Breaker Size	27
Min. Breaker Size	16
BTU/Tonnage	18,000 BTU/1.5 Ton
Min/Max Outdoor Temp for Heating	−4 °F - 70 °F
Min/Max Outdoor Temp for Cooling	23 °F - 115 °F
Zone Compatibility	Single Zone
Ambient Temperature Range	23 °F - 115 °F
Height	24.80"
Width	34.29"
Depth	11.81"
Warranty	10 Years with Online Registration
Resources	Submittal with PEAD-AA18NL Submittal with PKA-AL18NL Submittal with PLA-AE18NL Submittal with PVA-AA18NL Installation Manual Technical Manual Operation Manual Service Manual Compatibility Matrix You will need AdobeÂ® AcrobatÂ® Reader to view PDF documents.
Mitsubishi 18,000 BTU SEZ-AD-Series Single or Multi Zone Ceiling Cassette Mini Split Air Handler R454B \| 230V
Feature	Spec
SKU	PLA-AE18NL
Weight (in lbs)	46
Brand/Manufacturer	Mitsubishi
UPC	605468125168
Cooling BTU	18,000 BTU
Heating BTU	18,000 BTU
Maximum CFM	706 Turbo / 588 Hi / 471 Med / 353 Lo
Decibel Level (dBA)	32 dBA
Refrigerant	R454B
Liquid Line	1/4"
Suction Line	1/2"
Electrical	208/230V \| 1 Phase \| 60Hz
BTU/Tonnage	18,000 BTU/1.5 Ton
Mini Split Type	Ceiling Cassette
Zone Compatibility	Multi Zone
Height	10-3/16"
Width	33-1/16"
Depth	33-1/16"
Warranty	10 Year Compressor / 7 Years Parts Warranty with Online Registration
Resources	Submittal Submittal with PUZ-AK18NL Submittal with PUY-AK18NL Installation Manual Operation Manual Service Manual Technical Manual Compatibility Chart Compatibility Matrix You will need AdobeÂ® AcrobatÂ® Reader to view PDF documents.
Safety Information	PROPOSITION 65 WARNING This product and many products on our site may contain a chemical know to the state of California to cause cancer or birth defects or other reproductive harm. For more information about Proposition 65 please Click Here.
Mitsubishi P-Series Ceiling Cassette Decorative Grille
Feature	Spec
SKU	PLP-41EAEU
Weight (in lbs)	5
Brand/Manufacturer	Mitsubishi
UPC	613365172277
Height	1.6"
Width	37.4"
Depth	37.4"
Warranty	5 Years Parts Warranty
Resources	Mitsubishi P-Series Install Manual You will need Adobe® Acrobat® Reader to view PDF documents.
Safety Information	PROPOSITION 65 WARNING This product and many products on our site may contain a chemical know to the state of California to cause cancer or birth defects or other reproductive harm. For more information about Proposition 65 please Click Here.
Installation Kit for Condensers - Accessory Set
Feature	Spec
SKU	MSK001
Weight (in lbs)	15
Brand/Manufacturer	Online Supply
UPC	na
Resources	Surge Protector Install Guide You will need Adobe® Acrobat® Reader to view PDF documents.
Safety Information	PROPOSITION 65 WARNING This product and many products on our site may contain a chemical know to the state of California to cause cancer or birth defects or other reproductive harm. For more information about Proposition 65 please Click Here.
E Lite Equipment Pad and Risers Kit 18" x 38" x 3"
Feature	Spec
SKU	87762 / EL1838-3
Weight (in lbs)	25
Brand/Manufacturer	Online Supply
UPC	na
Height	3"
Width	18"
Depth	38"
Safety Information	PROPOSITION 65 WARNING This product and many products on our site may contain a chemical know to the state of California to cause cancer or birth defects or other reproductive harm. For more information about Proposition 65 please Click Here.
Refrigerant Line Set with 1/4" and 1/2" Line Ends & Control Wire - 50 feet
Feature	Spec
SKU	366402 / CW-144-50
Weight (in lbs)	45
Brand/Manufacturer	Online Supply
UPC	na
Length	50'
Height	1/2"
Width	1/2"
Safety Information	PROPOSITION 65 WARNING This product and many products on our site may contain a chemical know to the state of California to cause cancer or birth defects or other reproductive harm. For more information about Proposition 65 please Click Here.
Refrigerant Line Set with 1/4" and 1/2" Line Ends & Control Wire - 35 feet
Feature	Spec
SKU	366401 / CW-144-35
Weight (in lbs)	35
Brand/Manufacturer	Online Supply
UPC	na
Length	15'
Height	1/2"
Width	1/2"
Safety Information	PROPOSITION 65 WARNING This product and many products on our site may contain a chemical know to the state of California to cause cancer or birth defects or other reproductive harm. For more information about Proposition 65 please Click Here.
Refrigerant Line Set with 1/4" and 1/2" Line Ends & Control Wire - 30 feet
Feature	Spec
SKU	216741 / CW-144-30
Weight (in lbs)	30
Brand/Manufacturer	Online Supply
UPC	na
Length	30'
Height	1/2"
Width	1/2"
Safety Information	PROPOSITION 65 WARNING This product and many products on our site may contain a chemical know to the state of California to cause cancer or birth defects or other reproductive harm. For more information about Proposition 65 please Click Here.
Refrigerant Line Set with 1/4" and 1/2" Line Ends & Control Wire - 25 feet
Feature	Spec
SKU	366400 / CW-144-25
Weight (in lbs)	25
Brand/Manufacturer	Online Supply
UPC	na
Length	25'
Height	1/2"
Width	1/2"
Safety Information	PROPOSITION 65 WARNING This product and many products on our site may contain a chemical know to the state of California to cause cancer or birth defects or other reproductive harm. For more information about Proposition 65 please Click Here.
Refrigerant Line Set with 1/4" and 1/2" Line Ends & Control Wire - 15 feet
Feature	Spec
SKU	201814 / CW-144-15
Weight (in lbs)	15
Brand/Manufacturer	Online Supply
UPC	na
Length	15'
Height	1/2"
Width	1/2"
Safety Information	PROPOSITION 65 WARNING This product and many products on our site may contain a chemical know to the state of California to cause cancer or birth defects or other reproductive harm. For more information about Proposition 65 please Click Here.
21" Wall Mount Bracket for Mini Split Systems
Feature	Spec
SKU	230-B2L
Weight (in lbs)	9.2
Brand/Manufacturer	Online Supply
UPC	0095247127436
Length	40"
Height	3"
Width	6"
Safety Information	PROPOSITION 65 WARNING This product and many products on our site may contain a chemical know to the state of California to cause cancer or birth defects or other reproductive harm. For more information about Proposition 65 please Click Here.

Reviews 1

Top reviews

Very good

Quality
100%

Service
100%

Price
80%

Ordering was easy and straight forward I really like the showroom format makes it a quick pick also your selection especially of mitsubishi products is outstanding payment options are great im ordering as a business and this option has really increased my sales options! Products were well packaged and shipped too the job site overall very good experience this has given me a totally new way of running g my business! Thanks again
Review by Steve
Posted on 5/3/26

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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.