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Mitsubishi MZ-FH18NA

18,000 BTU 21 SEER Hyper Heat Wall Mount Ductless Mini Split Air Conditioner Heat Pump 208-230V
SKU : MZ-FH18NA
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$3,254.98
3254.98
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Mitsubishi M Series Solutions fit any room size:
View 9,000 BTU 30.5 Seer - Fits 300 - 350 ft2 Room
View 12,000 BTU 26.1 Seer - Fits 350 - 500 ft2 Room
View 15,000 BTU 22 Seer - Fits 500 - 750 ft2 Room
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System Size (Capacity) How do I select my size? info_outline
9,000 BTU
300 - 500 ft2
12,000 BTU
400 - 650 ft2
15,000 BTU
500 - 800 ft2
18,000 BTU
500 - 800 ft2
Looking for Help or Advice?
Our dedicated team is here to help you through the process of selecting the right system or part.

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Product Highlights

System Includes:

  • Outdoor Condenser Model: MUZ-FH18NA
  • Indoor Wall Mounted Model: MSZ-FH18NA
  • Wireless Remote Control
  • Required, but not included: 1/4" x 1/2" line set

The new Hyper Heating INVERTER-driven wall-mounted ductless split system is ideal for heating and cooling residential rooms/spaces such as bedrooms, home offices, living rooms, dining rooms, bonus rooms, basements, kitchens, offices, kiosks, guardhouses, and more. These Energy Star rated heat pump systems have a slim design and operate quietly at high efficiencies to provide you with consistently cool or warm air. This low ambient capable model has cooling capacities ranging from 6,450 - 21,000 BTU, heating capacities ranging from 5,150 - 30,000 BTU, and is rated at 21 SEER/12.0 HSPF.

Control Options
The Mitsubishi systems also offer the optional wireless, RFI-RedLINK™ enabled, full-function wall mount controller, allowing homeowners to control their unit from a remote PC, smartphone or tablet (MHK1 sold separately). If you prefer a standard, fully wired and functioning wall mount control, this system also works with the PAR-32MAA-J (sold separately and requires MAC-333IF).

INVERTER Technology
The M-Series INVERTER-driven compressor and linear expansion valve (LEV) works with the system's sophisticated electronic controls to detect temperature changes in a room or zone, automatically changing speeds to adjust for precise capacity and temperature control.

i-see Sensor™ 3D Technology
The i-see Sensor™ 3D scans the room and divides it into 752 fields. Using thermography the system knows if there are people present in the room. This makes it possible to align the air conditioning to the people in the room or flow around them. The energy saving mode is activated if there is nobody in the room.

H2i® Technology

  • 100% heating capacity at 5° F outdoor ambient
  • 82% heating capacity at -4°F outdoor ambient
  • 62% heating capacity at -13° F outdoor ambient

Air Filtration
The indoor units use a sophisticated triple filtration system to ensure clean, healthy air throughout the rooms/zones they condition. The Hybrid Catechin washable pre-filter captures dust and eliminates odors, while the Blue Enzyme washable filter uses an enzyme catalyst to capture and eliminate allergens, germs, bacteria, and viruses. They also contain a washable Platinum Catalyst Deodorizing filter for high-powered odor absorption lasting up to two years.

Quiet Operation
The Mitsubishi Indoor Units operate at very low sound levels (20-46 decibels). According to a study performed by the National Institute for Occupational Safety and Health, these units are quieter than a human whisper (30 decibels) at low speed.

Environmentally Friendly
Mitsubishi was clearly taking the environment into consideration when designing the M-Series line by using R410A refrigerant with zero Ozone Depletion Potential (ODP), 83% recyclable components, and washable filters made from natural materials on all models.

Additional Features & Benefits

  • Auto changeover feature automatically switches between cooling and heating as needed
  • Wide discharge vane and Swing Mode feature provides up to 150° horizontal air flow coverage
  • "Smart Set" feature provides single button temperature recall
  • Wireless handheld remote controller included
  • Indoor unit front panel access makes filter cleaning an easy task
  • Zone control
  • Quiet outdoor unit operation up to 55 dB(A)
  • Hot-start technology ensures warm air from startup
  • Auto restart feature works after a power outage
  • Indoor unit is powered by the outdoor condenser

Please Note: Mini Split Systems must be installed by a licensed Contractor with an EPA Refrigerant Certification to qualify for warranty.

Which line set kit do I need?
This system uses (1) 1/4" x 1/2" line set. These are sold separately, and you can choose from our 15 ft, 25 ft, 35 ft, 50 ft, and 75 ft lengths. The length needed depends on the needs of your project and how you will set up the system (distance from outdoor condenser to indoor air handler).

Can I install this myself?
While installation of a ductless split is much easier than a central air system, it's still much more advanced than installing a window unit or portable. Furthermore, the manufacturer warranty is only valid if a licensed professional does the installation. So while it is possible to do the installation yourself, we strongly recommend you hire an HVAC professional in your area.

Is this backed by a warranty?
Yes, it comes fully backed by a manufacturer's warranty (click here for more details), and ComfortUp is an authorized online seller of these systems. Our Customer Care Team will provide assistance should you ever need to file a warranty claim with the manufacturer. Please be aware that only systems that are installed by a licensed HVAC contractor are backed by the warranty. Proof of licensed installation is required. The receipt/invoice from your contractor should be sufficient.

Manuals & Docs

Mitsubishi MUZ-FH18NA - 18,000 BTU 21 SEER Ductless Mini Split Heat Pump Outdoor Unit 208-230V with H2iÆ Hyper Heat
Mitsubishi MSZ-FH18NA - 18,000 BTU Deluxe Ductless Mini Split Wall Mount Indoor Unit 208-230V with i-see Sensor
UPC 813919025534
Brand Mitsubishi
Model Family M-Series
Equipment Type Heat Pump
SEER 21
EER (Energy Efficiency Ratio) 12.0
HSPF (Heating Seasonal Performance Factor) 12.0
Rated Cooling Capacity (BTU) 17,200
Rated Heating Capacity (BTU) 20,300
Voltage 208-230 VAC
Warranty Offered 7 Year Compressor - 5 Year Parts to Original Registered End-User with Proof of Proper Installation
Energy Star Rated Yes
Room Size 500 - 800 ft2
Mounting Type Wall Mount
4-Way Remote Air Flow Control Yes
Minimum Circuit Amps 16
Cycle/Hertz 60
Maximum Heating Capacity 30000
Minimum Cooling Capacity 6450
Liquid/Gas Line Set Size 1/4" x 1/2"
Number of Zones/Rooms Single
Corrosion Protection No
Nominal Capacity (BTU) 18,000
Minimum Heating Capacity 5150
Inverter Technology Yes
Filter Type Washable Catechin Filter, Washable Platinum Deodorizing Filter, Washable Anti-Allergy Enzyme Filter
Maximum Cooling Capacity 21000
Sound Pressure Rating ID - Cool - 27/31/35/39/44 dB(A) Heat - 25/29/34/39/46 dB(A) OD - Cool/Heat - 52/55 dB(A)
Refrigerant R-410a
Maximum Fuse Size 20
Phase Single
Tonnage 2/3
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