Why it matters
The Cooper & Hunter 6,000 BTU 115V Mini-Split is rated at 6,000 BTU of cooling. On the ENERGY STAR room sizing chart that suits about 150 to 250 sq ft of average room. It runs on 115V, so it needs a dedicated household circuit rather than a 240V line.
The maker rates it at 21.5 SEER2. The listing doesn't give a low-temperature heating limit, so treat it as a mild-climate heat pump until the maker confirms one. Indoor noise is listed at 22 dB at its quietest setting.
Expect a professional install: the copper lines are connected, pressure-checked and vacuumed before the refrigerant is released. It uses R-454B refrigerant, one of the lower-impact A2L refrigerants new systems moved to in 2025. Warranty, per the listing: 7 years compressor, 5 years parts.
The listing gives dimensions of 48 inD x 40 inW x 40 inH.
Who it's for, and who should skip it
Good fit if
- Rooms of about 150-250 sq ft
- Homes without a spare 240V circuit
Look elsewhere if
- Primary heat in cold climates
- Spaces much larger than 250 sq ft
- Owners who want to avoid a licensed install
Pros and cons
Pros
- 21.5 SEER2
- Quiet indoor head (22 dB)
Cons
- Low-temperature heating not stated
- Heating capacity not stated on the listing
- Professional install recommended
Limitations to weigh
- Capacity and efficiency are the maker's ratings; real output depends on the install, the line length and the weather.
- Heat pumps lose heating capacity as it gets colder; size for your climate with the BTU calculator.
- The federal 25C tax credit ended for systems installed after 2025; check your utility for current rebates.
Specifications
Every figure below comes from the source shown in brackets. Where the maker doesn't state something, we say so instead of estimating.
| Capacity | 0.5 tons | Retailer |
|---|---|---|
| Cooling capacity (maker) | 6000 BTU | Retailer |
| Features (seller) | Multiple Fan Speeds | Retailer |
| Dimensions (seller) | 48"D x 40"W x 40"H | Retailer |
| SEER (maker) | 21.5 | Retailer |
| Voltage | 115 V | Retailer |
| Noise (seller) | 22 db | Retailer |
| Refrigerant | R-454B | Retailer |
| Control | App | Retailer |
| Model number | CH-RLS06MIA-115VO/I | Retailer |
| Warranty | 7 years compressor, 5 years parts | Retailer |
| SEER2 (maker) | 21.5 | Retailer |
More ductless mini-splits we cover
- DELLA Vario 12,000 BTU 115V
- Senville LETO 12,000 BTU 115V
- Cooper & Hunter MIA 12,000 BTU 115V
- Garvee 9,000 BTU 230V Mini-Split
All ductless mini-splits, compared in one table · Every Cooper & Hunter product we cover
Final verdict
A straightforward choice for a 150-250 sq ft room. Check that 6,000 BTU fits your room with the BTU calculator before you buy.
Where to buy
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