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Mitsubishi Electric / M-Series JP

Mitsubishi Electric M-Series JP 9,000 BTU R-410A 115V (MSZ-JP09WA / MUZ-JP09WA)

Model data is drawn from manufacturer, retailer, and certification sources. Missing specifications remain marked as not published.

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Data completeness: 82%
Last verified
Jul 23, 2026

SplitAtlas score

7.3 / 10

Methodology
Cooling efficiency12.3
Heating efficiency27.3
Cold-weather performance45.0
Warranty5.0
Feature set0.0
Documentation & parts50.0

Not evaluated

  • Installation accessibility — not applicable (professional install)N/A

    professional install - DIY-accessibility not applicable

  • Price-to-value — not evaluatedN/A

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Mitsubishi Electric M-Series JP 9,000 BTU R-410A 115V (MSZ-JP09WA / MUZ-JP09WA) review summary

The M-Series JP 9k is a discontinued (Production Stopped) R-410A, 115-volt value single-zone: SEER2 20, EER2 12, HSPF2 10, with 10,900 BTU of heat at 47F. Its appeal was the household-circuit-friendly voltage; the current equivalent is the R-454B JX 9k, which keeps the 115V convenience on current refrigerant.

Rated cooling

9,000BTU/hVerified - AHRI directory

Rated heating

10,900BTU/hVerified - AHRI directory

Mitsubishi Electric M-Series JP 9,000 BTU R-410A 115V (MSZ-JP09WA / MUZ-JP09WA) best-fit use cases

Owners of an existing JP 9k on a 115V circuit - new buyers should choose the current JX 9k.

Mitsubishi Electric M-Series JP 9,000 BTU R-410A 115V (MSZ-JP09WA / MUZ-JP09WA) specifications

Manufacturer
Mitsubishi Electric
Brand
Mitsubishi Electric
Product line
M-Series JP
Model number
MSZ-JP09WA-U1 indoor / MUZ-JP09WA-U1 outdoor
Indoor unit model
MSZ-JP09WA-U1
Outdoor unit model
MUZ-JP09WA-U1
Number of zones
1
Max indoor units
not published
Rated cooling capacity
9,000 BTU/hVerified - AHRI directory
Rated heating capacity
10,900 BTU/hVerified - AHRI directory
Voltage
115/115VVerified - manufacturer product page
MCA
12 AVerified - manufacturer technical document
Maximum fuse or breaker size
15 AVerified - manufacturer technical document
Breaker needed
not published
SEER2
20 SEER2Verified - AHRI directory
EER2
12 EER2Verified - AHRI directory
HSPF2 (Region 4)
10 HSPF2Verified - AHRI directory
HSPF2 (Region 5)
not published
COP
not published
COP at 47F
not published
COP at 5F
not published
Minimum outdoor heating temperature
not published
Minimum outdoor cooling temperature
not published
Maximum outdoor temperature
not published
Indoor noise range
not published
Outdoor noise rating
50 dBAVerified - manufacturer technical document
Indoor weight
not published
Outdoor weight
73 lbVerified - manufacturer technical document
Refrigerant
R-410AVerified - AHRI directory
Refrigerant charge
not published
Manufacturer coverage
not published
Line-set size
1/4 in liquid / 3/8 in suction
Included line-set length
Mitsubishi submittals publish line-size and maximum/precharged piping data; the installer supplies the line set.
Maximum line-set length
65 ftVerified - manufacturer technical document
Max line set per indoor
not published
Maximum elevation difference
40 ftVerified - manufacturer technical document
Max height between indoor units
not published
Wi-Fi support
supportedVerified - manufacturer technical document
Energy Star status
certifiedVerified - AHRI directory
AHRI certification number
209832210Verified - AHRI directory
Warranty
5 years parts / 7 years compressor. Standard residential M-Series warranty is 5 years parts and 7 years compressor from installation by a licensed HVAC contractor. Enhanced residential terms are 10 years parts and compressor for an owner-occupied residence registered within 90 days of installation, and 12 years parts and compressor when installed in an owner-occupied residence by a Diamond Contractor and registered by that Diamond Contractor within 90 days.
DIY installation status
Professional install
Retail price
HVACDirect exact model search returned 403 and no exact product page with visible price was retrieved on 2026-07-23.
Installation type
Professional install
Available retailers
not published
Manual links
AHRI certificate 209832210, AHRI public detail 209832210, ENERGY STAR exact row for AHRI 209832210, M-Series JP Mitsubishi Comfort product page, M-Series JP Mitsubishi Comfort product page, MitsubishiPro product record MUZ-JP09WA-U1, HVACDirect exact search for MSZ-JP09WA / MUZ-JP09WA, MSZ-JP09WA & MUZ-JP09WA Mitsubishi Electric submittal, METUS Residential M-Series, P-Series and SMART MULTI Limited Warranty Statement
Specification sheet
MSZ-JP09WA & MUZ-JP09WA Mitsubishi Electric submittal
Last verified date
Jul 23, 2026

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Mitsubishi Electric M-Series JP 9,000 BTU R-410A 115V (MSZ-JP09WA / MUZ-JP09WA) strengths

  • 115V operation - fits rooms without a spare 230V circuit.
  • SEER2 20 / HSPF2 10 with Mitsubishi dealer support and reliability.

Mitsubishi Electric M-Series JP 9,000 BTU R-410A 115V (MSZ-JP09WA / MUZ-JP09WA) weaknesses

  • Production Stopped and R-410A - phase-out refrigerant.
  • No published 5F heating rating.
  • The current JX 9k (R-454B) is the recommended 115V replacement.

Mitsubishi Electric M-Series JP 9,000 BTU R-410A 115V (MSZ-JP09WA / MUZ-JP09WA) climate suitability

Minimum heating ambient
not published
Rated heating at 5F
not published
Rated heating at 17F
6,700 BTU/hVerified - AHRI directory
Rated heating at 47F
10,900 BTU/hVerified - AHRI directory

Mitsubishi Electric M-Series JP 9,000 BTU R-410A 115V (MSZ-JP09WA / MUZ-JP09WA) electrical requirements

Voltage
not published
Voltage range
115/115VVerified - manufacturer product page
Phase
1Verified - manufacturer product page
Frequency
60 HzVerified - manufacturer product page
MCA
12 AVerified - manufacturer technical document
Breaker needed
not published
Maximum breaker size
not published
Maximum fuse size
15 AVerified - manufacturer technical document
Maximum cooling current
not published
Maximum heating current
not published
Manufacturer wire notes
not published

Mitsubishi Electric M-Series JP 9,000 BTU R-410A 115V (MSZ-JP09WA / MUZ-JP09WA) installation considerations

Liquid line
1/4 inVerified - manufacturer technical document
Suction line
3/8 inVerified - manufacturer technical document
Precharged length
not published
Included line-set length
Mitsubishi submittals publish line-size and maximum/precharged piping data; the installer supplies the line set.
Maximum line-set length
65 ftVerified - manufacturer technical document
Max line set per indoor
not published
Max height between indoor units
not published
Indoor dimensions
not published
Outdoor dimensions
31-1/2 x 11-1/4 x 21-5/8 inVerified - manufacturer technical document
Indoor weight
not published
Outdoor weight
73 lbVerified - manufacturer technical document
Drain size
not published

Mitsubishi Electric M-Series JP 9,000 BTU R-410A 115V (MSZ-JP09WA / MUZ-JP09WA) related systems and guides

Frequently asked questions

Can I install the Mitsubishi Electric M-Series JP 9,000 BTU R-410A 115V (MSZ-JP09WA / MUZ-JP09WA) myself, or do I need a pro?
Mitsubishi Electric M-Series JP 9,000 BTU R-410A 115V (MSZ-JP09WA / MUZ-JP09WA) is built for professional installation: the line set must be flared, evacuated, and charged, which requires EPA-certified refrigerant handling. Installing it outside the manufacturer's requirements can void the warranty, so budget for a qualified HVAC installer.
Will the Mitsubishi Electric M-Series JP 9,000 BTU R-410A 115V (MSZ-JP09WA / MUZ-JP09WA) keep heating in a cold winter?
Certified heating efficiency is 10 HSPF2. Match that published heating floor against your climate's design temperature - below the low-ambient rating, output can fall off or the system can pause to protect itself.
What electrical circuit does the Mitsubishi Electric M-Series JP 9,000 BTU R-410A 115V (MSZ-JP09WA / MUZ-JP09WA) need?
Published electrical requirements: 115/115V voltage, 12 A minimum circuit ampacity, and 15 A maximum breaker or fuse sizing. Confirm the final circuit against the unit nameplate and local code with a licensed electrician.
How far can the outdoor unit be from the indoor head?
The published maximum line-set length is 65 ft. Longer runs than the included set allows typically mean added refrigerant and a pro visit, so measure the planned routing before ordering.
What warranty does the Mitsubishi Electric M-Series JP 9,000 BTU R-410A 115V (MSZ-JP09WA / MUZ-JP09WA) carry?
The manufacturer publishes 5 years parts coverage and 7 years compressor coverage. Registration requirements and proof of qualified installation commonly affect coverage, so read the warranty terms before install day.

Mitsubishi Electric M-Series JP 9,000 BTU R-410A 115V (MSZ-JP09WA / MUZ-JP09WA) data sources

  • Mitsubishi Electric Trane HVAC US LLC: MitsubishiPro product record MUZ-JP09WA-U1Verified - manufacturer product page

    Covers Frequency, Phase, Voltage range, system.lifecycle_status

  • Mitsubishi Electric Trane HVAC US LLC: MSZ-JP09WA & MUZ-JP09WA Mitsubishi Electric M-Series JP submittalVerified - manufacturer technical document

    Covers electrical_spec.guaranteed_voltage_range, electrical_spec.indoor_mca_amps, Maximum fuse size, Minimum circuit ampacity, Liquid line size, Maximum elevation difference and more

  • Air-Conditioning, Heating, and Refrigeration Institute: AHRI public detail 209832210 for MSZ-JP09WA / MUZ-JP09WAVerified - AHRI directory

    Covers AHRI certification number, Rated cooling capacity, EER2, Energy Star status, Rated heating capacity, HSPF2 (Region 4) and more

  • Mitsubishi Electric Trane HVAC US LLC: Residential M-Series, P-Series and SMART MULTI Split Air Conditioner and Heat Pump Systems Limited Warranty StatementVerified - manufacturer technical document

    Covers Compressor warranty, Parts warranty, Warranty notes

Mitsubishi Electric M-Series JP 9,000 BTU R-410A 115V (MSZ-JP09WA / MUZ-JP09WA) last updated

Jul 23, 2026