Samsung / WindFree Max Heat
Samsung WindFree Max Heat 15k R-32 208/230V Mini-Split
The Samsung WindFree Max Heat 15k is a standout of the cold-climate line: SEER2 23, EER2 14.55, HSPF2 11, with heating that rises from 15,000 BTU at 47F to 15,600 BTU at 5F - full capacity maintained into deep cold. It matches the Premium 15k's ratings with Max Heat's cold-weather tuning.
1 zoneProfessional installCurrent
Refrigerant generation
R-32 - current-generation refrigerant
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Image: Samsung
Data completeness: 100%
- Last sourced
- Jul 23, 2026
SplitAtlas score
9.2 / 10
Cooling efficiencyTop quartile
(23.0 SEER2) among 18k systems
Heating efficiencyAbove average
(11.0 HSPF2) among 18k systems
Cold-weather performanceTop quartile
(100% heat retained at 5F; -22 F heating floor) among 18k systems
NoiseAbove average
(25 dBA indoor min / 48 dBA outdoor) among 18k systems
WarrantyAbove average
(10 yr parts / 10 yr compressor) across the catalogue
Feature setTop 10%
(7 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.
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Key ratings
Buyer review snapshot
Best for / skip if
Best for
- High-efficiency shortlists; SEER2 is 23.
Install difficulty
Professional install
- Electrical: 230V; MCA 21 A; breaker/fuse 30 A.
- Line set: connection type not sourced; precharged 24.6 ft; max 98 ft.
Availability and price context
We could not verify a current retail price for this model. We could not find this exact model in stock at a retailer we work with when we last checked on 2026-07-23.
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
Warranty: 10 years parts and compressor if eligible registered system.
Model context
- Install path
- This is professional-install equipment; no verified current retail offer is attached.
Strengths
- HSPF2 11 and heating that rises to 15,600 BTU at 5F - excellent deep-cold performance.
- WindFree still-air cooling; current R-32 refrigerant.
- Samsung dealer support.
Weaknesses
- No current online retail listing.
Climate suitability
- Minimum heating ambient
- -22 F[1]
- Rated heating at 5F
- 15,600 BTU/h[2]
- Rated heating at 17F
- 14,000 BTU/h[2]
- Rated heating at 47F
- 15,000 BTU/h[2]
Specifications
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- Manufacturer
- Samsung
- Brand
- Samsung
- Product line
- WindFree Max Heat
- Model number
- AR15DXDABWKN indoor / AR15DXDACWKX outdoor
- Indoor unit model
- AR15DXDABWKN
- Outdoor unit model
- AR15DXDACWKX
- Number of zones
- 1
- Max indoor units
- not published
- Rated cooling capacity
- 15,000 BTU/h[2]
- Rated heating capacity
- 15,000 BTU/h[2]
- Voltage
- 230 V[1]
- MCA
- 21 A[1]
- Maximum fuse or breaker size
- 30 A[1]
- Breaker needed
- not published
- SEER2
- 23 SEER2[2]
- EER2
- 14.55 EER2[2]
- HSPF2 (Region 4)
- 11 HSPF2[2]
- HSPF2 (Region 5)
- not published
- COP
- not published
- COP at 47F
- not published
- COP at 5F
- 2.5 COP[2]
- Minimum outdoor heating temperature
- -22 F[1]
- Minimum outdoor cooling temperature
- 0 F[1]
- Maximum outdoor temperature
- 115 F[1]
- Indoor noise range
- 41 / 25 dB(A)[1]
- Outdoor noise rating
- 48 dBA[1]
- Indoor weight
- 27.3 lb[1]
- Outdoor weight
- 108 lb[1]
- Refrigerant
- R-32[2]
- Refrigerant charge
- 53 oz[1]
- Manufacturer coverage
- not published
- Line-set size
- 1/4 in liquid / 1/2 in suction
- Included line-set length
- Samsung professional-install high-wall systems publish piping sizes, chargeless/precharged length, and maximum line limits, but no included line set is part of the system packet.
- Maximum line-set length
- 98 ft[1]
- Max line set per indoor
- not published
- Maximum elevation difference
- 66 ft[1]
- Max height between indoor units
- not published
- Wi-Fi support
- supported[1]
- Energy Star status
- ENERGY STAR certified[3]
- AHRI certification number
- 215222778[2]
- Warranty
- Best case: 10 yr parts / 10 yr compressor (eligible registered system). 10 year warranty with product registration required; conditions apply.
- Install path
- Professional install
- Retail price
- We could not find this exact model in stock at a retailer we work with when we last checked on 2026-07-23.
- Available retailers
- not published
- Manual links
- Samsung RAC R-32 WindFree installation manual, Samsung RAC R-32 technical data book
- Specification sheet
- Samsung RAC R-32 technical data book
- Last sourced date
- Jul 23, 2026
Electrical requirements
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- Voltage
- 230 V[1]
- Voltage range
- 208/230V[1]
- Phase
- 1[1]
- Frequency
- 60 Hz[1]
- MCA
- 21 A[1]
- Breaker needed
- not published
- Maximum breaker size
- 30 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
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- Liquid line
- 1/4 in[1]
- Suction line
- 1/2 in[1]
- Line connection type
- not published
- Precharged length
- 24.6 ft[1]
- Included line-set length
- Samsung professional-install high-wall systems publish piping sizes, chargeless/precharged length, and maximum line limits, but no included line set is part of the system packet.
- Maximum line-set length
- 98 ft[1]
- Max line set per indoor
- not published
- Max height between indoor units
- not published
- Indoor dimensions
- 41-9/16 x 11-3/4 x 8-7/16 in[1]
- Outdoor dimensions
- 34-5/8 x 31-7/16 x 12-3/16 in[1]
- Indoor weight
- 27.3 lb[1]
- Outdoor weight
- 108 lb[1]
- Drain size
- ID18 or 11/16 in OD[1]
Related systems and guides
- More Samsung systems
- Samsung WindFree IAQ 15k 230V
- WindFree Premium 15k
- Mitsubishi Electric comparison model
- WindFree Standard 15k
- Guide library
- Mini split buying guide
- Single-zone vs multi-zone mini splits
- Troubleshooting
- Do mini splits work in cold weather?
- Samsung mini split review: is Samsung any good?
- 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)
- R-32 vs R-454B: the mini split refrigerant change explained
- Samsung mini split not heating
- Mini split not heating
- Mini split indoor unit freezing up
- Mini split short cycling
- Mini split remote not working
- Line sets
- Line-set covers
Frequently asked questions
- Can I install the Samsung WindFree Max Heat 15,000 BTU R-32 208/230V (AR15DXDABWKN / AR15DXDACWKX) myself, or do I need a pro?
- Samsung WindFree Max Heat 15,000 BTU R-32 208/230V (AR15DXDABWKN / AR15DXDACWKX) 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 WindFree Max Heat 15,000 BTU R-32 208/230V (AR15DXDABWKN / AR15DXDACWKX) keep heating in a cold winter?
- The manufacturer publishes 15,600 BTU/h of heating output at 5F. Rated heating operation extends down to -22 F. Certified heating efficiency is 11 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 WindFree Max Heat 15,000 BTU R-32 208/230V (AR15DXDABWKN / AR15DXDACWKX) need?
- Published electrical requirements: 230 V voltage, 21 A minimum circuit ampacity, and 30 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 98 ft, and the included line set comes pre-charged for 24.6 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 Samsung WindFree Max Heat 15,000 BTU R-32 208/230V (AR15DXDABWKN / AR15DXDACWKX) carry?
- The manufacturer publishes these warranty tiers: Best case: 10 yr parts / 10 yr compressor (eligible registered system). Registration requirements and proof of qualified installation commonly affect coverage, so read the warranty terms before install day.
Data sources
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- Samsung HVAC, LLC: Samsung WindFree Standard manufacturer technical table for AR09DXFAMWKN / AR09DXFAMWKXSourced - manufacturer technical document
Covers Frequency, electrical_spec.guaranteed_voltage_range, Maximum breaker size, Minimum circuit ampacity, Phase, Manufacturer wire notes and more
- Air-Conditioning, Heating, and Refrigeration Institute: AHRI public detail 215222778 for AR15DXDABWKN / AR15DXDACWKXSourced - AHRI directory
Covers AHRI certification number, Rated cooling capacity, COP at 5F, EER2, Rated heating capacity, HSPF2 (Region 4) and more
- ENERGY STAR: ENERGY STAR record 3554497 for AR15DXDACWKX / AR15DXDABWKNSourced - Energy Star listing
Covers Energy Star status
- Samsung HVAC, LLC: Samsung WindFree Max Heat product page warranty statementSourced - manufacturer product page
Covers Best-case compressor warranty, Best-case warranty conditions, Best-case parts warranty, Legacy compressor warranty value, Legacy warranty value, Warranty notes
Last updated
Jul 23, 2026