Cooper & Hunter / MIA Series
Cooper & Hunter MIA 12,000 BTU (115V)
Model data is drawn from manufacturer, retailer, and certification sources. Missing specifications remain marked as not published.
1 zoneWall-mountedNot publishedCurrent
Data completeness: 83%
- Last verified
- Jul 18, 2026
SplitAtlas score
not yet rated - data incomplete
- no scoring run is available
1. Summary
The MIA 12k is the value entry among our published 115V units: a simple, widely available unit at a lower typical price, with the trade-offs you would expect - lower certified efficiency and thinner published documentation than the class leaders.
Rated cooling
12,000BTU/hVerified - AHRI certificate
Rated heating
12,000BTU/hVerified - AHRI certificate
2. Best-fit use cases
Budget-driven cooling-first purchases - rentals, bonus rooms, mild climates - where the upfront price matters more than heating performance or long-run efficiency.
3. Key specifications
- Manufacturer
- Cooper & Hunter
- Brand
- Cooper & Hunter
- Product line
- MIA Series
- Model number
- CH-RLS12MIA-115VI indoor / CH-RLS12MIA-115VO outdoor
- Indoor unit model
- CH-RLS12MIA-115VI
- Outdoor unit model
- CH-RLS12MIA-115VO
- Number of zones
- 1
- Max indoor units
- not published
- Rated cooling capacity
- 12,000 BTU/hVerified - AHRI certificate
- Rated heating capacity
- 12,000 BTU/hVerified - AHRI certificate
- Voltage
- 115 VVerified - manufacturer technical document
- MCA
- 19 AVerified - manufacturer technical document
- Maximum fuse or breaker size
- 20 AVerified - manufacturer technical document
- Breaker needed
- not published
- SEER2
- 21.2 SEER2Verified - AHRI certificate
- EER2
- 10.1 EER2Verified - AHRI certificate
- HSPF2 (Region 4)
- 8.7 HSPF2Verified - AHRI certificate
- HSPF2 (Region 5)
- 6.7 HSPF2Verified - manufacturer technical document
- COP
- not published
- COP at 47F
- not published
- COP at 5F
- not published
- Minimum outdoor heating temperature
- not published
- Minimum outdoor cooling temperature
- 5 FVerified - manufacturer technical document
- Maximum outdoor temperature
- 122 FVerified - manufacturer technical document
- Indoor noise range
- 40.5/32.5/25 dB(A)Verified - manufacturer technical document
- Outdoor noise rating
- 54 dBAVerified - manufacturer technical document
- Indoor weight
- 19.4 lbVerified - manufacturer technical document
- Outdoor weight
- 61.29 lbVerified - manufacturer technical document
- Refrigerant
- R-454BVerified - manufacturer technical document
- Refrigerant charge
- 24.34 ozVerified - manufacturer technical document
- Manufacturer coverage
- not published
- Line-set size
- 1/4 in liquid / 3/8 in suction
- Included line-set length
- not published
- 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
- not published
- Energy Star status
- not publishedVerified - manufacturer technical document
- AHRI certification number
- 216623803Verified - AHRI certificate
- Warranty
- 5 years parts / 7 years compressor. 7-year compressor and 5-year parts warranty, registration required.
- DIY installation status
- Not published
- Retail price
- $1,050.00
- Installation type
- Wall-mounted
- Available retailers
- MiniSplitWarehouse
- Manual links
- AHRI Certificate of Product Ratings ref 216623803, CH-RLS12MIA submittal data sheet
- Specification sheet
- CH-RLS12MIA submittal data sheet
- Last verified date
- Jul 18, 2026
Some retailer links may earn us a commission at no extra cost; paid relationships never change scores or recommendations. Affiliate disclosure
Paid link
Check price at MiniSplitWarehouse
$1,050 / Fresh price - checked Jul 18, 2026
4. Strengths
- 115V operation for straightforward retrofit wiring.
- Published 25 dB(A) low fan level - quiet enough for bedrooms.
- Typically the lowest equipment price among our published 12k systems.
5. Weaknesses
- Certified efficiency (SEER2 21.2 / HSPF2 8.7) sits at the bottom of our published 12k class - the operating-cost gap versus the AURA compounds over years of all-day use.
- Low-ambient heating performance is not published - do not plan on it as a primary cold-climate heat source.
- Published documentation is thinner than MRCOOL or Senville; several specs on our page read "not published" because the manufacturer does not publish them.
6. Climate suitability
- Minimum heating ambient
- not published
- Rated heating at 5F
- not published
- Rated heating at 17F
- not published
- Rated heating at 47F
- not published
7. Electrical requirements
- Voltage
- 115 VVerified - manufacturer technical document
- Voltage range
- not published
- Phase
- 1Verified - manufacturer technical document
- Frequency
- 60 HzVerified - manufacturer technical document
- MCA
- 19 AVerified - manufacturer technical document
- Breaker needed
- not published
- Maximum breaker size
- not published
- Maximum fuse size
- 20 AVerified - manufacturer technical document
- Maximum cooling current
- not published
- Maximum heating current
- not published
- Manufacturer wire notes
- not published
8. Installation considerations
- Liquid line
- 1/4 inVerified - manufacturer technical document
- Suction line
- 3/8 inVerified - manufacturer technical document
- Precharged length
- 25 ftVerified - manufacturer technical document
- Included line-set length
- not published
- Maximum line-set length
- not published
- Max line set per indoor
- not published
- Max height between indoor units
- not published
- Indoor dimensions
- 31.57 x 7.44 x 11.69 inVerified - manufacturer technical document
- Outdoor dimensions
- 30.12 x 11.93 x 21.85 inVerified - manufacturer technical document
- Indoor weight
- 19.4 lbVerified - manufacturer technical document
- Outdoor weight
- 61.29 lbVerified - manufacturer technical document
- Drain size
- not published
9. Operating-cost estimate
not published
10. Comparable models
Frequently asked questions
- Can I install the Cooper & Hunter MIA 12,000 BTU (115V) myself, or do I need a pro?
- Cooper & Hunter MIA 12,000 BTU (115V) 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 Cooper & Hunter MIA 12,000 BTU (115V) keep heating in a cold winter?
- Certified heating efficiency is 8.7 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 Cooper & Hunter MIA 12,000 BTU (115V) need?
- Published electrical requirements: 115 V voltage, 19 A minimum circuit ampacity, and 20 A maximum breaker or fuse sizing. Confirm the final circuit against the unit nameplate and local code with a licensed electrician.
- What warranty does the Cooper & Hunter MIA 12,000 BTU (115V) carry?
- The manufacturer publishes 5 years parts coverage and 7 years compressor coverage. Registration requirements and proof of qualified installation commonly affect coverage, so read the warranty terms before install day.
11. Data sources
- Cooper & Hunter: CH-RLS12MIA submittal data sheetVerified - manufacturer technical document
Covers Frequency, Maximum fuse size, Minimum circuit ampacity, Phase, Voltage, Indoor dimensions and more
- Cooper & Hunter: MIA Series brochure (parsed 2026-07-18)Verified - manufacturer technical document
Covers installation_spec.max_elevation_diff_ft, Precharged length, Refrigerant charge, Energy Star status, Minimum outdoor cooling temperature, Maximum outdoor temperature
- AHRI: AHRI Certificate of Product Ratings ref 216623803 (2025-06-20)Verified - AHRI certificate
Covers AHRI certification number, Rated cooling capacity, EER2, Rated heating capacity, HSPF2 (Region 4), SEER2
- MiniSplitWarehouse: minisplitwarehouse.com MIA 12k 115vVerified - retailer listing
Covers Retail price, Compressor warranty, Parts warranty, Warranty notes
12. Last updated date
Jul 19, 2026