SplitAtlas

Samsung / 36K High-Wall

Samsung 36K High-Wall 36k R-32 208/230V Mini-Split

Certified capacity
33,000 BTU/h[2]
SEER2
20 SEER2[2]
Heating floor
-13 F[1]
Voltage
230 V[1]
Install path
Professional install

The Samsung High-Wall 36k is Samsung's largest single-zone at 3 tons: SEER2 20, EER2 12, HSPF2 9 on R-32, with 40,000 BTU at 47F and a strong 36,000 BTU held at 5F. It conditions a big open space from one head with genuine cold-weather capability; at 3 tons a zoned system is often the smarter design.

1 zoneProfessional installCurrent

Refrigerant generation

R-32 - current-generation refrigerant

Need this installed?

Get installation quotes
Error Codes
Samsung 36K High-Wall 36,000 BTU R-32 208/230V (AR36DXFUMGMN / AR36DXFUMGMX)

Image: Samsung

Data completeness: 100%
Last sourced
Jul 23, 2026

SplitAtlas score

8.4 / 10

Methodology
Cooling efficiencyAbove average

(20.0 SEER2) among 36k systems

Heating efficiencyBottom quartile

(9.0 HSPF2) among 36k systems

Cold-weather performanceAbove average

(5F certified capacity: 90% of the 47F rating; -13 F heating floor) among 36k systems

NoiseBelow average

(38 dBA indoor min / 60 dBA outdoor) among 36k systems

WarrantyTop quartile

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

Feature setTop quartile

(6 verified features) across the catalogue

Documentation & partsBelow average

(2 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.

    Get a quote

Key ratings

Rated cooling

33,000BTU/h[2]

Rated heating

40,000BTU/h[2]

Buyer review snapshot

Install difficulty

Professional install
  • Electrical: 230V; MCA 35.8 A; breaker/fuse 40 A.
  • Line set: connection type not sourced; precharged 24.6 ft; max 246 ft.

Alternatives

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
4
Newest source retrieved
Jul 23, 2026

Warranty tiers

Registered
10 yr parts / 10 yr compressor - eligible registered system

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

Review methodology

Strengths

  • 40,000 BTU at 47F and 36,000 BTU at 5F - the most heating output of any Samsung single-zone, with strong deep-cold retention.
  • Current R-32 refrigerant; Samsung dealer support.

Weaknesses

  • SEER2 20 - conventional efficiency at this capacity.
  • Professional installation required; at 3 tons, consider a zoned multi-head design.

Climate suitability

Minimum heating ambient
-13 F[1]
Certified heating at 5F
36,000 BTU/h[2]
Rated heating at 17F
26,600 BTU/h[2]
Rated heating at 47F
40,000 BTU/h[2]

Specifications

Show
Manufacturer
Samsung
Brand
Samsung
Product line
36K High-Wall
Model number
AR36DXFUMGMN indoor / AR36DXFUMGMX outdoor
Indoor unit model
AR36DXFUMGMN
Outdoor unit model
AR36DXFUMGMX
Number of zones
1
Max indoor units
not published
Rated cooling capacity
33,000 BTU/h[2]
Rated heating capacity
40,000 BTU/h[2]
Voltage
230 V[1]
MCA
35.8 A[1]
Maximum fuse or breaker size
40 A[1]
Breaker needed
not published
SEER2
20 SEER2[2]
EER2
12 EER2[2]
HSPF2 (Region 4)
9 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
-13 F[1]
Minimum outdoor cooling temperature
23 F[1]
Maximum outdoor temperature
122 F[1]
Indoor noise range
38 / 46 / 48 / 51 dB(A)[1]
Outdoor noise rating
60 dBA[1]
Indoor weight
40.8 lb[1]
Outdoor weight
211.6 lb[1]
Refrigerant
R-32[2]
Refrigerant charge
123.5 oz[1]
Manufacturer coverage
not published
Line-set size
3/8 in liquid / 5/8 in suction
Included line-set length
Samsung publishes piping sizes, chargeless/precharged length, and maximum line limits for this professional-install system; a line set is not included.
Maximum line-set length
246 ft[1]
Max line set per indoor
not published
Maximum elevation difference
98 ft[1]
Max height between indoor units
not published
Wi-Fi support
supported[1]
Energy Star status
ENERGY STAR certified[3]
AHRI certification number
216741657[2]
Warranty
Registered: 10 yr parts / 10 yr compressor (eligible registered system). Score uses Registered.. 10 year warranty with product registration required; conditions apply.
Install path
Professional install
Retail price
Installed quote only
Available retailers
not published
Manual links
Samsung R32 36K outdoor installation manual, Samsung 36K R-32 high-wall submittal
Specification sheet
Samsung 36K R-32 high-wall submittal
Last sourced date
Jul 23, 2026

Electrical requirements

Show
Voltage
230 V[1]
Voltage range
208/230V[1]
Phase
1[1]
Frequency
60 Hz[1]
MCA
35.8 A[1]
Breaker needed
not published
Maximum breaker size
40 A[1]
Maximum fuse size
not published
Maximum cooling current
not published
Maximum heating current
not published
Manufacturer wire notes
Outdoor unit powers indoor unit; communication AWG 18 or line-specific interconnect per manual[1]

Installation considerations

Show
Liquid line
3/8 in[1]
Suction line
5/8 in[1]
Line connection type
not published
Precharged length
24.6 ft[1]
Included line-set length
Samsung publishes piping sizes, chargeless/precharged length, and maximum line limits for this professional-install system; a line set is not included.
Maximum line-set length
246 ft[1]
Max line set per indoor
not published
Max height between indoor units
not published
Indoor dimensions
50 3/8 x 10 x 13 5/8 in[1]
Outdoor dimensions
37 x 55 7/8 x 13 in[1]
Indoor weight
40.8 lb[1]
Outdoor weight
211.6 lb[1]
Drain size
ID18 or 11/16 in OD[1]

Related systems and guides

Frequently asked questions

Can I install the Samsung 36K High-Wall 36,000 BTU R-32 208/230V (AR36DXFUMGMN / AR36DXFUMGMX) myself, or do I need a pro?
Samsung 36K High-Wall 36,000 BTU R-32 208/230V (AR36DXFUMGMN / AR36DXFUMGMX) 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 Samsung 36K High-Wall 36,000 BTU R-32 208/230V (AR36DXFUMGMN / AR36DXFUMGMX) keep heating in a cold winter?
The AHRI/ENERGY STAR certification lists 36,000 BTU/h of heating capacity at 5F. Rated heating operation extends down to -13 F. Certified heating efficiency is 9 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 Samsung 36K High-Wall 36,000 BTU R-32 208/230V (AR36DXFUMGMN / AR36DXFUMGMX) need?
Published electrical requirements: 230 V voltage, 35.8 A minimum circuit ampacity, and 40 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 246 ft. The outdoor unit's factory charge covers up to 24.6 ft of line; longer runs need added refrigerant. Measure the planned routing before ordering.
What warranty does the Samsung 36K High-Wall 36,000 BTU R-32 208/230V (AR36DXFUMGMN / AR36DXFUMGMX) carry?
The manufacturer publishes these warranty tiers: Registered: 10 yr parts / 10 yr compressor (eligible registered system). Score uses Registered.. Registration requirements and proof of qualified installation commonly affect coverage, so read the warranty terms before install day.

Data sources

Show
  1. Samsung HVAC, LLC: Samsung 36K High-Wall manufacturer technical table for AR36DXFUMGMN / AR36DXFUMGMXSourced - manufacturer technical document

    Covers Frequency, electrical_spec.guaranteed_voltage_range, Maximum breaker size, Minimum circuit ampacity, Phase, Manufacturer wire notes and more

  2. Air-Conditioning, Heating, and Refrigeration Institute: AHRI public detail 216741657 for AR36DXFUMGMN / AR36DXFUMGMXSourced - AHRI directory

    Covers AHRI certification number, Rated cooling capacity, COP at 5F, EER2, Rated heating capacity, HSPF2 (Region 4) and more

  3. ENERGY STAR: ENERGY STAR record 3994297 for AR36DXFUMGMX / AR36DXFUMGMNSourced - Energy Star listing

    Covers Energy Star status

  4. Samsung HVAC, LLC: Samsung 36K High-Wall product page warranty statementSourced - manufacturer product page

    Covers Legacy compressor warranty value, Legacy warranty value, Registered compressor warranty, Registered warranty conditions, Registered parts warranty, Warranty notes

Last updated

Jul 23, 2026