Samsung / Commercial Air Conditioner Premium High-Wall
Samsung Commercial Air Conditioner Premium High-Wall 18k R-32 208/230V Mini-Split
The Samsung CAC High-Wall Premium 18k is a light-commercial single-zone: SEER2 20.5, EER2 12.2, HSPF2 9.5 on R-32, with 20,000 BTU at 47F and 19,000 BTU held at 5F. Built for offices, retail, and light-commercial spaces, it brings strong deep-cold retention.
1 zoneProfessional installCurrent
Refrigerant generation
R-32 - current-generation refrigerant
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Image: Samsung
Data completeness: 95%
- Last sourced
- Jul 23, 2026
SplitAtlas score
8.2 / 10
Cooling efficiencyBelow average
(20.5 SEER2) among 18k systems
Heating efficiencyBottom quartile
(9.5 HSPF2) among 18k systems
Cold-weather performanceAbove average
(95% heat retained at 5F; -13 F heating floor) among 18k systems
NoiseBelow average
(29 dBA indoor min / 51 dBA outdoor) among 18k systems
Feature setTop 10%
(7 verified features) across the catalogue
Documentation & partsBelow average
(3 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
Install difficulty
Professional install
- Electrical: 230V; MCA 22.7 A; breaker/fuse 25 A.
- Line set: connection type not sourced; precharged 24.6 ft; max 164 ft.
Alternatives
- Blueridge XS6 Max Efficiency 18,000 BTU R-454B 208/230V (BXS6A18WM0 / BXS6A18UC0)
9.0 score / 18k / SEER2 25.6 / -22 F heating floor / 230V
Exact destination at Alpine Home Air: $2,359.00, checked Jul 24, 2026
- Senville ELITE 18,000 BTU R-454B 208/230V (SENE-18EL-IHH / SENE-18EL-OH)
8.9 score / 18k / SEER2 25.6 / -22 F heating floor / 187-253V
Exact destination at Senville: $1,899.99, checked Jul 24, 2026
- ACiQ Standard 18,000 BTU R-454B 208/230V (ACIQ-18WS-HP230C / ACIQ-18ZS-HP230C)
8.8 score / 18k / SEER2 24 / -13 F heating floor / 230V
Exact destination at HVACDirect: $1,299.99, checked Jul 26, 2026
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
- 3
- Newest source retrieved
- Jul 23, 2026
Strengths
- 19,000 BTU of heat held at 5F - strong cold-weather output for the size.
- Light-commercial-grade build; current R-32 refrigerant.
- Samsung dealer/commercial support.
Weaknesses
- Light-commercial pricing and professional installation required.
- Warranty terms not published on the commercial spec sheet - confirm with a dealer.
Climate suitability
- Minimum heating ambient
- -13 F[1]
- Rated heating at 5F
- 19,000 BTU/h[2]
- Rated heating at 17F
- 16,400 BTU/h[2]
- Rated heating at 47F
- 20,000 BTU/h[2]
Specifications
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- Manufacturer
- Samsung
- Brand
- Samsung
- Product line
- Commercial Air Conditioner Premium High-Wall
- Model number
- AC018DNADCG indoor / AC018DXSCCG outdoor
- Indoor unit model
- AC018DNADCG
- Outdoor unit model
- AC018DXSCCG
- Number of zones
- 1
- Max indoor units
- not published
- Rated cooling capacity
- 18,000 BTU/h[2]
- Rated heating capacity
- 20,000 BTU/h[2]
- Voltage
- 230 V[1]
- MCA
- 22.7 A[1]
- Maximum fuse or breaker size
- 25 A[1]
- Breaker needed
- not published
- SEER2
- 20.5 SEER2[2]
- EER2
- 12.2 EER2[2]
- HSPF2 (Region 4)
- 9.5 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
- -13 F[1]
- Minimum outdoor cooling temperature
- -4 F[1]
- Maximum outdoor temperature
- 122 F[1]
- Indoor noise range
- 42 / 37 / 32 / 29 dB(A)[1]
- Outdoor noise rating
- 51 dBA[1]
- Indoor weight
- 25.4 lb[1]
- Outdoor weight
- 116.8 lb[1]
- Refrigerant
- R-32[2]
- Refrigerant charge
- 60 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
- 164 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
- 216441727[2]
- Warranty
- not published
- 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 CAC R-32 high-wall indoor installation manual, Samsung CAC R-32 premium outdoor installation manual, Samsung CAC Premium wall-mounted R-32 technical data book
- Specification sheet
- Samsung CAC Premium wall-mounted 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
- 22.7 A[1]
- Breaker needed
- not published
- Maximum breaker size
- 25 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
- 164 ft[1]
- Max line set per indoor
- not published
- Max height between indoor units
- not published
- Indoor dimensions
- 41.54 x 11.77 x 8.46 in[1]
- Outdoor dimensions
- 34.65 x 31.42 x 12.20 in[1]
- Indoor weight
- 25.4 lb[1]
- Outdoor weight
- 116.8 lb[1]
- Drain size
- ID18 or 11/16 in OD[1]
Related systems and guides
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- Pioneer 230 V option
- 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 18,000 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
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- What "DIY mini split" actually means
- How to install a mini split (DIY overview)
- Samsung mini split not heating
- Mini split not heating
- Mini split indoor unit freezing up
- Mini split short cycling
- Mini split making loud noise
- Line sets
- Line-set covers
Frequently asked questions
- Can I install the Samsung CAC High-Wall Premium 18,000 BTU R-32 208/230V (AC018DNADCG / AC018DXSCCG) myself, or do I need a pro?
- Samsung CAC High-Wall Premium 18,000 BTU R-32 208/230V (AC018DNADCG / AC018DXSCCG) 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 CAC High-Wall Premium 18,000 BTU R-32 208/230V (AC018DNADCG / AC018DXSCCG) keep heating in a cold winter?
- The manufacturer publishes 19,000 BTU/h of heating output at 5F. Rated heating operation extends down to -13 F. Certified heating efficiency is 9.5 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 Samsung CAC High-Wall Premium 18,000 BTU R-32 208/230V (AC018DNADCG / AC018DXSCCG) need?
- Published electrical requirements: 230 V voltage, 22.7 A minimum circuit ampacity, and 25 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 164 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.
Data sources
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- Samsung HVAC, LLC: Samsung CAC High-Wall Premium manufacturer technical table for AC036DNTDCG / AC036DXSCCGSourced - 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 216441727 for AC018DNADCG / AC018DXSCCGSourced - 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 3891532 for AC018DXSCCG / AC018DNADCGSourced - Energy Star listing
Covers Energy Star status
Last updated
Jul 23, 2026