Midea / Midea Easy Pro Extreme Heat
Midea Easy Pro Extreme Heat 9k R-454B 208/230V Mini-Split
Here is where the Extreme Heat idea gets convincing: the 9k holds its full 12,000 BTU of heat from 47F all the way to 17F, then keeps 11,500 BTU at 5F. That flat curve pairs with a 27.4 SEER2 - among the highest in the Easy Pro family - plus 15.4 EER2 and 12.5 HSPF2 on R-454B. It is a small-nominal head that heats like a much larger one.
1 zoneProfessional installCurrent
Refrigerant generation
R-454B - current-generation refrigerant
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Data completeness: 100%
- Last sourced
- Jul 27, 2026
SplitAtlas score
9.1 / 10
Cooling efficiencyTop quartile
(27.4 SEER2) among <=9k systems
Heating efficiencyTop quartile
(12.5 HSPF2) among <=9k systems
Cold-weather performanceAbove average
(5F certified capacity: 95.8% of the 47F rating; -22 F heating floor) among <=9k systems
WarrantyTop 10%
(12 yr parts / 12 yr compressor) across the catalogue
Feature setAbove average
(5 verified features) across the catalogue
Documentation & partsBelow average
(6 manuals; spec sheet) 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
Best-fit use cases
A smart pick for a bedroom or office in a genuinely cold region where you want full heating capacity to survive the coldest nights intact.
Buyer review snapshot
Best for / skip if
Best for
- Top efficiency shortlists; SEER2 is 27.4.
Install difficulty
Professional install
- Electrical: 230V.
- Line set: connection type not sourced; max 213 ft.
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 27, 2026
- Page reviewed
- Jul 27, 2026
- Source-backed records
- 4
- Newest source retrieved
- Sep 14, 2026
Warranty tiers
- Base
- 5 yr parts / 7 yr compressor - base coverage
- Registered
- 12 yr parts / 12 yr compressor - online registration at mideacomfort.us within 60 days of installation
The score uses Registered. Additional published terms are shown for reference and not counted in the score.
Model context
- Structured ratings
- Certification: ENERGY STAR certified and AHRI cold-climate designated. Refrigerant: current low-GWP R-454B. Minimum heating ambient: -22 F.
Strengths
- Zero heat loss from 47F to 17F (a full, flat 12,000 BTU) and still 11,500 BTU at 5F.
- High 27.4 SEER2 and strong 15.4 EER2 for real year-round efficiency.
- ENERGY STAR certified, cold-climate designated, and on low-GWP R-454B.
Weaknesses
- Cooling is rated 12,000 BTU, so oversizing for heat means matching it to the right room.
- 230V wiring and professional installation are non-negotiable.
Climate suitability
- Minimum heating ambient
- -22 F[1]
- Certified heating at 5F
- 11,500 BTU/h[2]
- Rated heating at 17F
- 12,000 BTU/h[2]
- Rated heating at 47F
- 12,000 BTU/h[2]
Specifications
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- Manufacturer
- Midea
- Brand
- Midea
- Product line
- Midea Easy Pro Extreme Heat
- Model number
- MSEHU-H09B-2A indoor / MO1HS-H09B-2A outdoor
- Indoor unit model
- MSEHU-H09B-2A
- Outdoor unit model
- MO1HS-H09B-2A
- Number of zones
- 1
- Max indoor units
- not published
- Rated cooling capacity
- 9,000 BTU/h[2]
- Rated heating capacity
- 12,000 BTU/h[2]
- Voltage
- 230 V[1]
- MCA
- Not published for this model
- Maximum fuse or breaker size
- Not published for this model
- Breaker needed
- not published
- SEER2
- 27.4 SEER2[2]
- EER2
- 15.4 EER2[2]
- HSPF2 (Region 4)
- 12.5 HSPF2[2]
- HSPF2 (Region 5)
- not published
- COP
- not published
- COP at 47F
- not published
- COP at 5F
- 1.8 COP[2]
- Minimum outdoor heating temperature
- -22 F[1]
- Minimum outdoor cooling temperature
- -13 F[1]
- Maximum outdoor temperature
- 122 F[1]
- Indoor noise range
- Not published for this model
- Outdoor noise rating
- 53 dBA[1]
- Indoor weight
- Not published for this model
- Outdoor weight
- Not published for this model
- Refrigerant
- R-454B[2]
- Refrigerant charge
- not published
- Manufacturer coverage
- not published
- Line-set size
- Not published for this model liquid / Not published for this model suction
- Included line-set length
- Professional installations use separately selected line sets
- Maximum line-set length
- 213 ft[1]
- Max line set per indoor
- not published
- Maximum elevation difference
- Not published for this model
- Max height between indoor units
- not published
- Wi-Fi support
- supported[1]
- Energy Star status
- ENERGY STAR certified[3]
- AHRI certification number
- 215471380[2]
- Warranty
- Base: 5 yr parts / 7 yr compressor (base coverage); Registered: 12 yr parts / 12 yr compressor (online registration at mideacomfort.us within 60 days of installation). Score uses Registered.. 12-year extended warranty listed for Midea single-zone systems; terms apply
- Install path
- Professional install
- Retail price
- Installed quote only
- Available retailers
- not published
- Manual links
- ENERGY STAR exact check 215471380, Easy Pro Extreme Heat installation documentation listing, Easy Pro Extreme Heat high-wall indoor product page, Midea Single-Zone Extreme Heat Pump, AHRI Appendix M1 public detail 215471380
- Specification sheet
- AHRI Appendix M1 public detail 215471380
- Last sourced date
- Jul 27, 2026
Electrical requirements
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- Voltage
- 230 V[1]
- Voltage range
- 208/230V[1]
- Phase
- 1[1]
- Frequency
- 60 Hz[1]
- MCA
- Not published for this model
- Breaker needed
- not published
- Maximum breaker size
- Not published for this model
- Maximum fuse size
- Not published for this model
- Maximum cooling current
- not published
- Maximum heating current
- not published
- Manufacturer wire notes
- not published
Installation considerations
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- Liquid line
- Not published for this model
- Suction line
- Not published for this model
- Line connection type
- not published
- Precharged length
- not published
- Included line-set length
- Professional installations use separately selected line sets
- Maximum line-set length
- 213 ft[1]
- Max line set per indoor
- not published
- Max height between indoor units
- not published
- Indoor dimensions
- Not published for this model
- Outdoor dimensions
- Not published for this model
- Indoor weight
- Not published for this model
- Outdoor weight
- Not published for this model
- Drain size
- not published
Related systems and guides
- More Midea systems
- Midea Easy Pro 9k R-454B 208/230V Mini-Split
- Midea Elevate 9k R-454B 208/230V Mini-Split
- LG Standard Efficiency 9k R-32 230V Mini-Split
- Midea Elevate High Heat 9k R-454B 208/230V Mini-Split
- Guide library
- Mini split buying guide
- Single-zone vs multi-zone mini splits
- Troubleshooting
- Do mini splits work in cold weather?
- Midea mini split review: is Midea any good?
- The best 9,000 BTU mini splits of 2026
- The best cold-climate mini splits of 2026
- The best mini splits for heating of 2026
- Mini split heating capacity in the cold: what your unit actually delivers at 5F
- The mini split defrost cycle, explained
- The best DIY mini splits of 2026
- What "DIY mini split" actually means
- How to install a mini split (DIY overview)
- Mini split not heating
- Mini split indoor unit freezing up
- Mini split remote not working
- Mini split weak airflow
- Mini split making loud noise
- Line sets
- Line-set covers
Frequently asked questions
- Can I install the Midea Easy Pro Extreme Heat 9,000 BTU R-454B 208/230V (MSEHU-H09B-2A / MO1HS-H09B-2A) myself, or do I need a pro?
- Midea Easy Pro Extreme Heat 9,000 BTU R-454B 208/230V (MSEHU-H09B-2A / MO1HS-H09B-2A) 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 Midea Easy Pro Extreme Heat 9,000 BTU R-454B 208/230V (MSEHU-H09B-2A / MO1HS-H09B-2A) keep heating in a cold winter?
- The AHRI/ENERGY STAR certification lists 11,500 BTU/h of heating capacity at 5F. Rated heating operation extends down to -22 F. Certified heating efficiency is 12.5 HSPF2. Match those numbers against your climate's design temperature - in cold regions, output at 5F matters far more than the nameplate capacity measured at 47F.
- What electrical circuit does the Midea Easy Pro Extreme Heat 9,000 BTU R-454B 208/230V (MSEHU-H09B-2A / MO1HS-H09B-2A) need?
- Published electrical requirements: 230 V voltage. 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 213 ft. Measure the planned routing before ordering.
- What warranty does the Midea Easy Pro Extreme Heat 9,000 BTU R-454B 208/230V (MSEHU-H09B-2A / MO1HS-H09B-2A) carry?
- The manufacturer publishes these warranty tiers: Base: 5 yr parts / 7 yr compressor (base coverage); Registered: 12 yr parts / 12 yr compressor (online registration at mideacomfort.us within 60 days of installation). Score uses Registered.. Registration requirements and proof of qualified installation commonly affect coverage, so read the warranty terms before install day.
Data sources
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- Midea America Corp.: Midea Single-Zone Extreme Heat PumpSourced - manufacturer product page
Covers Frequency, Phase, Voltage, Voltage range, Maximum line-set length, Outdoor noise rating and more
- Air-Conditioning, Heating, and Refrigeration Institute: AHRI Appendix M1 public detail for MO1HS-H09B-2A / MSEHU-H09B-2ASourced - AHRI directory
Covers AHRI certification number, performance_spec.cold_climate_designation, Rated cooling capacity, COP at 5F, EER2, Rated heating capacity and more
- ENERGY STAR: ENERGY STAR exact row check for AHRI 215471380Sourced - Energy Star listing
Covers Energy Star status
- Midea America Corp.: Limited Warranty for Midea Brand Central Split System Air Conditioner and Heat Pump Condensing UnitsSourced - manufacturer technical document
Covers Registered compressor warranty, Registered warranty conditions, Registered parts warranty, Base compressor warranty, Base warranty conditions, Base parts warranty
Last updated
Jul 27, 2026