TOSOT / Cardinal Series
TOSOT Cardinal 12k Hyper 230V Mini-Split
TOSOT is the consumer brand of Gree, and the Cardinal 12k is rated to operate in heating down to -22F, with SEER2 24.5 and ENERGY STAR certification. It pairs Gree manufacturing with cold-climate specifications.
1 zoneNot publishedCurrent
Refrigerant generation
R-32 - current-generation refrigerant
Need this installed?
Get installation quotesData completeness: 71%
- Last sourced
- Jul 18, 2026
SplitAtlas score
not yet rated - data incomplete
- no scoring run is available
Key ratings
Best-fit use cases
A single room in a cold or extreme-cold climate for a value-focused buyer who wants a -22F rating and high efficiency without paying premium-brand prices, and has a capable installer.
Buyer review snapshot
Best for / skip if
Best for
- High-efficiency shortlists; SEER2 is 24.5.
Install difficulty
Professional install
- Electrical: 208/230V.
- Line set: connection type not sourced; included 15 ft.
Availability and price context
We don't link to a listing for this exact model yet.
Source date
- Model data sourced
- Jul 18, 2026
- Source-backed records
- 3
- Newest source retrieved
- Jul 18, 2026
Warranty tiers
- Registered
- 5 yr parts / 7 yr compressor - registration
The score uses Registered. Additional published terms are shown for reference and not counted in the score.
Strengths
- Rated heating operation to -22F - true extreme-cold capability from a value brand.
- SEER2 24.5 with ENERGY STAR certification.
- Manufactured by Gree.
Weaknesses
- TOSOT is less established in the US than the major names, so local service and parts support can vary.
- 5-year parts / 7-year compressor warranty - shorter than the pro brands' 10/10.
- No retail listing for this exact model yet.
Climate suitability
- Minimum heating ambient
- -22 F[2]
- Certified heating at 5F
- not published
- Rated heating at 17F
- not published
- Rated heating at 47F
- not published
Specifications
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- Manufacturer
- TOSOT
- Brand
- TOSOT
- Product line
- Cardinal Series
- Model number
- TAVEM7H4R12-S indoor / TAVCI7H4R12 outdoor
- Indoor unit model
- TAVEM7H4R12-S
- Outdoor unit model
- TAVCI7H4R12
- Number of zones
- 1
- Max indoor units
- not published
- Rated cooling capacity
- 12,000 BTU/h[3]
- Rated heating capacity
- 12,000 BTU/h[3]
- Voltage
- 208/230V[1]
- MCA
- not published
- Maximum fuse or breaker size
- not published
- Breaker needed
- not published
- SEER2
- 24.5 SEER2[3]
- EER2
- 13 EER2[3]
- HSPF2 (Region 4)
- 9.5 HSPF2[3]
- HSPF2 (Region 5)
- not published
- COP
- not published
- COP at 47F
- not published
- COP at 5F
- not published
- Minimum outdoor heating temperature
- -22 F[2]
- Minimum outdoor cooling temperature
- not published
- Maximum outdoor temperature
- not published
- Indoor noise range
- 43/38/36/34/32/30/25/20 dB(A)[1]
- Outdoor noise rating
- not published
- Indoor weight
- 20.9 lb[1]
- Outdoor weight
- 67.3 lb[1]
- Refrigerant
- R-32[1]
- Refrigerant charge
- 28.2 oz[1]
- Manufacturer coverage
- not published
- Line-set size
- not published
- Included line-set length
- 15 ft[2]
- Maximum line-set length
- not published
- Max line set per indoor
- not published
- Maximum elevation difference
- not published
- Max height between indoor units
- not published
- Wi-Fi support
- supported[1]
- Energy Star status
- ENERGY STAR certified[3]
- AHRI certification number
- 216607215[3]
- Warranty
- Registered: 5 yr parts / 7 yr compressor (registration). Score uses Registered.. 7-year compressor and 5-year parts warranty with registration.
- Install path
- Not published
- Retail price
- No current listing
- Available retailers
- not published
- Manual links
- AHRI Certificate of Product Ratings ref 216607215, Cardinal service manual PDF, Cardinal sell sheet PDF
- Specification sheet
- Cardinal sell sheet PDF
- Last sourced date
- Jul 18, 2026
Electrical requirements
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Installation considerations
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- Liquid line
- not published
- Suction line
- not published
- Line connection type
- not published
- Precharged length
- not published
- Included line-set length
- 15 ft[2]
- Maximum line-set length
- not published
- Max line set per indoor
- not published
- Max height between indoor units
- not published
- Indoor dimensions
- 32-61/64 x 7-56/64 x 11-34/64 in[1]
- Outdoor dimensions
- 31-37/64 x 21-54/64 x 13-50/64 in[1]
- Indoor weight
- 20.9 lb[1]
- Outdoor weight
- 67.3 lb[1]
- Drain size
- not published
Related systems and guides
- More TOSOT systems
- Toshiba Carrier 26 High Wall 12k R-454B 208/230V Mini-Split
- Trane ML 12k R-410A 115V Mini-Split
- TOSOT Multi Ultra Heat 18k R-32 208/230V 2-Zone Mini-Split
- TOSOT Multi Ultra Heat 24k R-32 208/230V 3-Zone Mini-Split
- Guide library
- Mini split buying guide
- Single-zone vs multi-zone mini splits
- Troubleshooting
- Do mini splits work in cold weather?
- The best 12,000 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
- How much does a mini split cost to install?
- Mini split installation: what to expect on install day
- R-32 vs R-454B: the mini split refrigerant change explained
- Mini split for a hot upstairs
- Mini split not heating
- Mini split indoor unit freezing up
- Mini split Wi-Fi not connecting
- Your mini split is showing a refrigerant leak code
- Line sets
- Line-set covers
Frequently asked questions
- Can I install the TOSOT Cardinal Hyper 12,000 BTU (230V) myself, or do I need a pro?
- TOSOT Cardinal Hyper 12,000 BTU (230V) 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 TOSOT Cardinal Hyper 12,000 BTU (230V) keep heating in a cold winter?
- Rated heating operation extends down to -22 F. Certified heating efficiency is 9.5 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.
- What electrical circuit does the TOSOT Cardinal Hyper 12,000 BTU (230V) need?
- Published electrical requirements: 208/230V voltage. Confirm the final circuit against the unit nameplate and local code with a licensed electrician.
- What warranty does the TOSOT Cardinal Hyper 12,000 BTU (230V) carry?
- The manufacturer publishes these warranty tiers: Registered: 5 yr parts / 7 yr compressor (registration). 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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- TOSOT: Cardinal sell sheet PDFSourced - manufacturer technical document
Covers Frequency, Phase, Voltage range, Indoor dimensions, Indoor noise range, Indoor weight and more
- MiniSplitWarehouse: minisplitwarehouse TOSOT 12k HyperSourced - retailer listing
Covers Included line-set length, Minimum outdoor heating temperature, Retail price, Legacy compressor warranty value, Legacy warranty value, Registered compressor warranty and more
- AHRI: AHRI Certificate of Product Ratings ref 216607215 (2025-07-23)Sourced - AHRI certificate
Covers AHRI certification number, Rated cooling capacity, EER2, Energy Star status, Rated heating capacity, HSPF2 (Region 4) and more
Last updated
Jul 18, 2026