Cart 0
Free freight shipping
To residential and commercial addresses
30-day returns
Shipping charges may apply.
Contractor pricing, for everyone
One delivered price. No surprises.
Not sure this fits your unit?
Call us with your model number and we'll confirm the right part before you order.
SKU: MUZ-WX18NL, MSZ-WX18NL · Category: MITSUBISHI HEAT PUMP MINI SPLIT

18,000 BTU Mitsubishi 18 SEER2 R-454B Single Zone Heat Pump Ductless Mini-Split System

$2,517.22

-

  • Free shipping — most items ship by the next day

Licensed HVAC technician required. Must be installed by a certified professional. Improper installation voids the manufacturer warranty.

Secure payment
VISA MC AMEX DISC PayPal Affirm CHECK
SKU: MUZ-WX18NL, MSZ-WX18NL · Category: MITSUBISHI HEAT PUMP MINI SPLIT
18,000 BTU Mitsubishi 18 SEER2 R-454B Single Zone Heat Pump Ductless Mini-Split System
Not sure this fits your unit?
Call us with your model number and we'll confirm the right part before you order.

18,000 BTU Mitsubishi 18 SEER2 R-454B Single Zone Heat Pump Ductless Mini-Split System

Mitsubishi

FEATURES
Single-zone heat pump system
Blue Fin anti-corrosion treatment applied to the outdoor unit heat exchanger for increased coil protection and longer life
Four fan speeds: Low, Medium, High, Super-high
Anti-mold filter
INVERTER-driven heat pump
Cooling operation range: 32°F to 115°F
Heating operation range: 5°F to 75°F
Multiple control options available:
Hand-held Remote Controller (provided with unit)
kumo cloud smart device app for remote access
Third-party interface options
Wired or wireless controllers
12-hour timer
ECONO COOL mode
AUTO restart
The outdoor unit powers the indoor unit and should a power outage occur, the system is automatically restarted when the power returns

SPECIFICATIONS
Outdoor Unit Dimensions:  H39″ x W16.56″ x L38.56″
Indoor Unit Dimensions:  H13″ x W39″ x L15″
Volts:  208/230
Phase:  1
Hertz:  60
EER2:  10
HSPF2:  8.50
Cooling Capacity:  17,200 BTU
Heating Capacity:  18,000 BTU
Liquid Line Valve Connection:  1/4″ outside diameter
Suction Line Valve Connection:  1/2″ outside diameter

Why homeowners choose NAW

Genuine OEM parts

Every part we sell is the real thing — authorized, factory-genuine, and backed by the full manufacturer warranty.

Easy online ordering

Find your part by model number, add to cart, and get it delivered to your door — no middleman, no markup.

30-day hassle-free returns

Ordered the wrong part? Send it back within 30 days.

Help when you need it

Not sure if this is the right part? Call us at (888) 292-0874 and we’ll help you find the correct replacement.

What buyers are saying

Verified reviews from customers who purchased this product.

Write a review
5.0
4 verified reviews
5★
100%
4★
0%
3★
0%
2★
0%
1★
0%
IT
Ismael T

The 18,000 BTU Mitsubishi 18 SEER2 Single Zone Heat Pump Ductless Mini-Split System blew me away with its powerful performance and whisper-quiet operation. I couldn’t believe the amazing price for such top-tier efficiency and comfort—it’s a total game changer.

BV
Billy V

The 18,000 BTU Mitsubishi 18 SEER2 R-410A Single Zone Heat Pump Ductless Mini-Split System offers outstanding temperature control with energy-saving efficiency at a remarkable price. Its powerful performance keeps any space perfectly comfortable while running smoothly and quietly!

RF
Robert F

The 18,000 BTU Mitsubishi 18 SEER2 Heat Pump Ductless Mini-Split System exceeded all my expectations with its powerful performance and energy efficiency! It’s a fantastic value for the level of comfort and temperature control it provides—truly a great investment!

MB
Marky B

The 18,000 BTU Mitsubishi 18 SEER2 heat pump mini-split system exceeded my expectations with its powerful cooling and whisper-quiet operation! The excellent price combined with its top-notch energy efficiency makes this a fantastic investment for any home.