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Mitsubishi MUZ-WX18NL MSZ-WX18NL WX-Series Ductless Mini Split Heat Pump System - Single-Zone - 18k BTU - 18.0 SEER2 - R-454B

Mitsubishi MUZ-WX18NL MSZ-WX18NL WX-Series Ductless Mini Split Heat Pump System - Single-Zone - 18k BTU - 18.0 SEER2 - R-454B

4.2· 5 ratings

Last price we saw

$1,554.75last seen Oct 31

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What do buyers say about the Mitsubishi MUZ-WX18NL MSZ-WX18NL WX-Series Ductless Mini Split Heat Pump System - Single-Zone - 18k BTU - 18.0 SEER2 - R-454B?
Rated 4.2 out of 5 from 5 ratings. Buyers like: Excellent customer service with a human on the phone; Good communication and order confirmation emails; Product arrived in good condition and undamaged. Common complaints: Item was backordered and took weeks to obtain from the manufacturer.
Where can I buy the Mitsubishi MUZ-WX18NL MSZ-WX18NL WX-Series Ductless Mini Split Heat Pump System - Single-Zone - 18k BTU - 18.0 SEER2 - R-454B?
2 stores we checked sell it, including acunitsforless.com, HVACDirect.com.

Mitsubishi MUZ-WX18NL MSZ-WX18NL WX-Series Ductless Mini Split Heat Pump System - Single-Zone - 18k BTU - 18.0 SEER2 - R-454B prices at every store

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  • acunitsforless.comCheck price at acunitsforless.com
  • HVACDirect.comCheck price at HVACDirect.com

Mitsubishi MUZ-WX18NL MSZ-WX18NL WX-Series Ductless Mini Split Heat Pump System - Single-Zone - 18k BTU - 18.0 SEER2 - R-454B price history

Lowest price we've seen: $1,554.75 on Oct 31. Tracked across 4 stores since Oct 31.

From acunitsforless.com

  • 18,000 BTU single-zone ductless mini split heat pump for medium-to-large rooms
  • Inverter technology with electronic linear expansion valve for precise temperature control
  • Hybrid catechin and nano platinum filters capture and break down allergens
  • Econo Cool mode improves cooling efficiency by adjusting set points and vane operation
  • Dehumidification mode removes moisture to reduce humidity and mold risk
  • Blue Fin condenser coating protects the outdoor unit against corrosion
Sizing
Ideal for medium-to-large residential rooms or offices
Returns
Unopened orders may be returned within 60 days for a refund minus shipping costs and a 25% restocking fee; customer pays return shipping
Shipping
Free shipping except flat bed or oversized items; 2–3 business days handling plus 3–4 business days transit via UPS or FedEx
In the box
Wireless remote controller

About the Mitsubishi MUZ-WX18NL MSZ-WX18NL WX-Series Ductless Mini Split Heat Pump System - Single-Zone - 18k BTU - 18.0 SEER2 - R-454B

Features & Bundle Details

Mitsubishi MUZ-WX18NL / MSZ-WX18NL – 18,000 BTU Single-Zone Mini Split Heat Pump – R454B

For more than 50 years, Mitsubishi Electric has set the standard in the mini split industry with efficient and user-friendly comfort systems. The MUZ-WX18NL outdoor condenser and MSZ-WX18NL wall-mounted indoor unit work together to deliver powerful heating and cooling for medium to large rooms. Featuring advanced inverter technology and electronic linear expansion valve control, this system maintains precise temperature regulation while avoiding the overshoots and short cycling found in less advanced models. A wireless remote controller is included for simple, convenient operation.

Key Features

18,000 BTU Capacity: Ideal for medium-to-large residential rooms or offices.

Advanced Filtration: Hybrid catechin and nano platinum filters capture and break down allergens, delivering cleaner, healthier air.

Inverter Technology + Linear Expansion Valve: Optimizes compressor speed and refrigerant flow for accurate temperature control and energy efficiency.

Econo Cool Mode: Improves cooling efficiency by adjusting set points and vane operation.

Dehumidification Mode: Removes unwanted moisture to reduce humidity and mold risk.

Multiple Vane Options: Auto and swing modes ensure even air distribution.

Blue Fin Condenser Coating: Protects outdoor unit against corrosion from salt, dust, and harsh environments.

Quiet Operation: Designed to minimize noise for greater comfort in living spaces.

Installation Requirements

The following accessories are needed for proper installation:

Line Set: Transfers refrigerant between outdoor and indoor units.

Drain Tubing: Removes condensate safely and efficiently.

Disconnect Box & Electrical Whip Kit: Provides safe electrical connection.

Connecting Wire: Supplies power between condenser and indoor unit.

Outdoor Condenser Pad or Wall Bracket: Ensures stable, elevated mounting.

All Mini Split Systems require one Primary Mini Split Installation Kit .

Warranty

Mitsubishi Electric systems include a 10-year warranty , provided installation is completed by a licensed contractor and the product is registered within 90 days at Mitsubishi HVAC Registration .

Documents

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What buyers say

Buyers like
  • Excellent customer service with a human on the phone
  • Good communication and order confirmation emails
  • Product arrived in good condition and undamaged
  • Easy self-installation
  • Lowest price found
Buyers complain about
  • Item was backordered and took weeks to obtain from the manufacturer

Specifications

With Heater
Yes
With Remote
Yes
Heat Pump
Yes
Cooling Capacity
18,000 BTU
Width
35.5 in wide
Depth
13.25 in depth
Height
11.25 in height
Heating Capacity
18,000 BTU/hSource

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SEER2
18 SEER2Source
HSPF2
8.5 HSPF2Source
EER2
9.5 EER2Source
Refrigerant
R454B (low-GWP A2L)Source
Voltage
208/230V, 1 Phase, 60 HzSource
Minimum Circuit Ampacity
16A MCASource
Compressor
Inverter-Driven (SRB140FQHM)Source
Included Controller
Wireless Remote (with batteries)Source
Max Line Length
65 ftSource
Max Line Height
40 ftSource