Why it matters
The Daikin Entra 12,000 BTU 230V is rated at 12,000 BTU of cooling and 11,300 BTU of heating. On the ENERGY STAR room sizing chart that suits about 450 to 550 sq ft of average room; the maker says up to 550 sq ft. It needs a 230V (208/240V) circuit, which usually means an electrician if one isn't already at the spot.
Its 18 SEER2 ranks 22 of 26 among the mini-splits within about 12% of its capacity that we cover; the most efficient is the DELLA Optima 12,000 BTU 230V at 24. Heating efficiency is 9 HSPF2. 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 29 dB at its quietest setting.
Like most split systems it ships pre-charged for a set line length; connecting it means flaring, pulling a vacuum and opening the valves, a licensed technician's job in most places. It uses R-32 refrigerant, one of the lower-impact A2L refrigerants new systems moved to in 2025. Warranty, per the listing: 5 Year Manufacturer Warranty.
The listing gives dimensions of 10 inD x 39 inW x 11 inH and a shipping or unit weight of 30 pounds.
Who it's for, and who should skip it
Good fit if
- Rooms of about 450-550 sq ft
- Large rooms and garages
Look elsewhere if
- Primary heat in cold climates
- Spaces much larger than 550 sq ft
- Owners who want to avoid a licensed install
Pros and cons
Pros
- 18 SEER2
- 11,300 BTU heating stated
- Quiet indoor head (29 dB)
Cons
- Low-temperature heating not stated
- Needs a 230V circuit
- 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 | 1 tons | Retailer |
|---|---|---|
| Cooling capacity (maker) | 12000 BTU | Retailer |
| Dimensions (seller) | 10"D x 39"W x 11"H | Retailer |
| SEER (maker) | 18 | Retailer |
| Voltage | 230 V | Retailer |
| Noise (seller) | 29 db | Retailer |
| Features (seller) | Dry Mode, Fan Mode, Auto Mode, ECO+, Powerful Operation, Self-Diagnostics with Digital Display, Sleep Mode, Cold Draft Prevention | Retailer |
| Refrigerant | R-32 | Retailer |
| Control | Remote | Retailer |
| Room size (maker) | 550 sq ft | Retailer |
| Heating capacity (maker) | 11,300 BTU | Retailer |
| Model number | RXC12+FTXC12+IKM1438+WAFP24 | Retailer |
| Warranty | 5 Year Manufacturer Warranty | Retailer |
| Product weight | 30 lb | Retailer |
| SEER2 (maker) | 18 | Retailer |
| HSPF2 (maker) | 9 | Retailer |
| EER2 (maker) | 8.5 | Retailer |
Alternatives worth comparing
More ductless mini-splits we cover
Final verdict
A solid choice for a 450-550 sq ft room. Check that 12,000 BTU fits your room with the BTU calculator before you buy.
Where to buy
Our links open this exact model's product page. Prices and stock change; check what's included before you order.
Each button opens this exact model. We may earn a commission on tracked links; it never changes what we publish. Disclosure