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. Measure the planned routing before ordering.

Mitsubishi Electric / M-Series JP

Mitsubishi M-Series JP 9k R-410A 115V Mini-Split

Q: Will the Mitsubishi Electric M-Series JP 9,000 BTU R-410A 115V (MSZ-JP09WA / MUZ-JP09WA) keep heating in a cold winter?

Rated heating operation extends down to -4 F. 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.

Q: What warranty does the Mitsubishi Electric M-Series JP 9,000 BTU R-410A 115V (MSZ-JP09WA / MUZ-JP09WA) carry?

The manufacturer publishes these warranty tiers: Base: 5 yr parts / 7 yr compressor (licensed HVAC contractor installation); Registered: 10 yr parts / 10 yr compressor (owner-occupied residence registered within 90 days of installation); Program: 12 yr parts / 12 yr compressor (owner-occupied residence installed and registered by a Diamond Contractor within 90 days). Score uses Registered. Additional published terms are shown for reference and not counted in the score.. Registration requirements and proof of qualified installation commonly affect coverage, so read the warranty terms before install day.

Certified capacity: 9,000 BTU/h[3]
SEER2: 20 SEER2[3]
Heating floor: -4 F[4]
Voltage: 115/115V[1]
Install path: Professional install

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.

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Error Codes

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

Image: Mitsubishi Electric

Data completeness: 90%

Last sourced: Jul 23, 2026

SplitAtlas score

7.6 / 10

Methodology

Cooling efficiencyBottom quartile

(20.0 SEER2) among <=9k systems

Heating efficiencyBelow average

(10.0 HSPF2) among <=9k systems

Cold-weather performanceBottom quartile

(17F certified capacity: 61.5% of the 47F rating; -4 F heating floor) among <=9k systems

WarrantyTop quartile

(10 yr parts / 10 yr compressor) across the catalogue

Feature setBottom quartile

(1 verified feature) across the catalogue

Documentation & partsTop quartile

(9 manuals; spec sheet; parts channel) across the catalogue

Not evaluated

Installation accessibility — not applicable (professional install)N/A
professional install - DIY-accessibility not applicable
Price-to-value — not evaluatedN/A
This is a professionally installed, quote-only system, so we can't score its price. Get an installed quote to compare real cost.
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Key ratings

Rated cooling

9,000BTU/h[3]

Rated heating

10,900BTU/h[3]

Buyer review snapshot

Best for / skip if

Best for

Homes planning around a 115/115V branch circuit.

Skip if

You are shopping for a current-generation recommendation; catalog lifecycle is LEGACY.

Install difficulty

Professional install

Electrical: 115/115V; MCA 12 A; breaker/fuse 15 A.
Line set: connection type not sourced; max 65 ft.

Alternatives

Blueridge XS6 Max Efficiency 9,000 BTU R-454B 208/230V (BXS6A09WM0 / BXS6A09UC0)
8.9 score / 9k / SEER2 33.3 / -22 F heating floor / 230V
Exact destination at Alpine Home Air: $1,689.00, checked Jul 24, 2026
Senville ELITE 9,000 BTU R-454B 208/230V (SENE-09EL-IHH / SENE-09EL-OH)
8.9 score / 9k / SEER2 33.3 / -22 F heating floor / 187-253V
Exact destination at Senville: $1,599.99, checked Jul 24, 2026
ACiQ Extreme 9,000 BTU R-454B 208/230V (ACIQ-09W-HH-MD / ACIQ-09ZPL-HP230C)
8.9 score / 9k / SEER2 27.4 / -22 F heating floor / 230V
Exact destination at HVACDirect: $1,499.99, checked Jul 26, 2026

Availability and price context

This system needs a professional install, so its real price is an installed quote that depends on your home. We don't link to a listing for this exact model; get installation quotes to price it.

Source date

Model data sourced: Jul 23, 2026
Page reviewed: Jul 23, 2026
Source-backed records: 5
Newest source retrieved: Jul 23, 2026

Warranty tiers

Base: 5 yr parts / 7 yr compressor - licensed HVAC contractor installation
Registered: 10 yr parts / 10 yr compressor - owner-occupied residence registered within 90 days of installation
Program: 12 yr parts / 12 yr compressor - owner-occupied residence installed and registered by a Diamond Contractor within 90 days

The score uses Registered. Additional published terms are shown for reference and not counted in the score.

Review methodology

Strengths

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

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.

Climate suitability

Minimum heating ambient: -4 F[4]
Certified heating at 5F: not published
Rated heating at 17F: 6,700 BTU/h[3]
Rated heating at 47F: 10,900 BTU/h[3]

Specifications

Show

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/h[3]
Rated heating capacity: 10,900 BTU/h[3]
Voltage: 115/115V[1]
MCA: 12 A[2]
Maximum fuse or breaker size: 15 A[2]
Breaker needed: not published
SEER2: 20 SEER2[3]
EER2: 12 EER2[3]
HSPF2 (Region 4): 10 HSPF2[3]
HSPF2 (Region 5): not published
COP: not published
COP at 47F: not published
COP at 5F: not published
Minimum outdoor heating temperature: -4 F[4]
Minimum outdoor cooling temperature: 14 F[4]
Maximum outdoor temperature: 115 F[4]
Indoor noise range: not published
Outdoor noise rating: 50 dBA[2]
Indoor weight: not published
Outdoor weight: 73 lb[2]
Refrigerant: R-410A[3]
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 ft[2]
Max line set per indoor: not published
Maximum elevation difference: 40 ft[2]
Max height between indoor units: not published
Wi-Fi support: supported[2]
Energy Star status: ENERGY STAR certified[3]
AHRI certification number: 209832210[3]
Warranty: Base: 5 yr parts / 7 yr compressor (licensed HVAC contractor installation); Registered: 10 yr parts / 10 yr compressor (owner-occupied residence registered within 90 days of installation); Program: 12 yr parts / 12 yr compressor (owner-occupied residence installed and registered by a Diamond Contractor within 90 days). Score uses Registered. Additional published terms are shown for reference and not counted in the score.. 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.
Install path: Professional install
Retail price: Installed quote only
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, 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 sourced date: Jul 23, 2026

Parts and filters

Fits Mitsubishi Electric M-Series JP 9,000 BTU R-410A 115V (MSZ-JP09WA / MUZ-JP09WA). Part numbers and fit notes identify compatibility only; no manufacturer endorsement is implied.

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