Why it matters
The MRCOOL Advantage 24,000 BTU 230V is rated at 24,000 BTU of cooling. On the ENERGY STAR room sizing chart that suits about 1,400 to 1,500 sq ft of average room; the maker says up to 750 sq ft. It needs a 230V (208/240V) circuit, which usually means an electrician if one isn't already at the spot.
Its 17 SEER ranks 5 of 6 among the mini-splits within about 12% of its capacity that we cover; the most efficient is the MRCOOL DIY 24,000 BTU 230V at 20.5. 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 56 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-454B refrigerant, one of the lower-impact A2L refrigerants new systems moved to in 2025.
The listing gives a 5,750 W power draw.
Who it's for, and who should skip it
Good fit if
- Rooms of about 1,400-1,500 sq ft
- Large rooms and garages
Look elsewhere if
- Primary heat in cold climates
- Spaces much larger than 1,500 sq ft
- Owners who want to avoid a licensed install
Pros and cons
Pros
- 17 SEER
Cons
- Low-temperature heating not stated
- Heating capacity not stated on the listing
- 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 | 2 tons | Retailer |
|---|---|---|
| Cooling capacity (maker) | 24000 BTU | Retailer |
| Features (seller) | Remote Controlled, WiFi Enabled | Retailer |
| SEER (maker) | 17 | Retailer |
| Voltage | 230 V | Retailer |
| Noise (seller) | 56 db | Retailer |
| Refrigerant | R-454B | Retailer |
| Room size (maker) | 750 sq ft | Retailer |
| Model number | A-24-HP-C-230B, A-24-HP-WMAH-230B | Retailer |
| Wattage | 5750 W | Retailer |
| Control | Remote | Retailer |
Alternatives worth comparing
More ductless mini-splits we cover
- Daikin Entra 18,000 BTU 230V
- DELLA Econo 35,000 BTU 230V
- Senville LETO 30,000 BTU 230V
- Senville LETO 36,000 BTU 230V
All ductless mini-splits, compared in one table · Every MRCOOL product we cover
Final verdict
A solid choice for a 1,400-1,500 sq ft room. Check that 24,000 BTU fits your room with the BTU calculator before you buy.
Where to buy
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