Why it matters
The Senville AURA 24,000 BTU 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 1,250 sq ft.
Its 20.5 SEER ranks 1 of 6 among the mini-splits within about 12% of its capacity that we cover, the top of that group. The maker says heat-pump heating keeps working down to -22°F outside, hyper-heat territory. Indoor noise is listed at 36 dB at its quietest setting.
Expect a professional install: the copper lines are connected, pressure-checked and vacuumed before the refrigerant is released. The kit includes a 16ft. line set. It uses R-454B refrigerant, one of the lower-impact A2L refrigerants new systems moved to in 2025.
The listing gives dimensions of 10 inD x 40 inW x 113 inH, a shipping or unit weight of 28 pounds, a 1,920 W power draw and indoor air handler, outdoor condenser, remote control, wifi kit, 16 ft. installation kit in the box.
Who it's for, and who should skip it
Good fit if
- Rooms of about 1,400-1,500 sq ft
- Cold-climate heating
- Lower running costs than most same-size systems
Look elsewhere if
- Spaces much larger than 1,500 sq ft
- Owners who want to avoid a licensed install
Pros and cons
Pros
- 20.5 SEER
- Heats down to -22°F
- 16ft. line set included
Cons
- 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 | 2 tons | Retailer |
|---|---|---|
| Cooling capacity (maker) | 24000 BTU | Retailer |
| Features (seller) | Alexa Enabled | Retailer |
| Dimensions (seller) | 10"D x 40"W x 113"H | Retailer |
| SEER (maker) | 20.5 | Retailer |
| Noise (seller) | 36 db | Retailer |
| Refrigerant | R-454B | Retailer |
| Wattage | 1920 W | Retailer |
| Product weight | 28 lb | Retailer |
| Control | Remote | Retailer |
| Model number | SENA/24HF | Retailer |
| Room size (maker) | 1250 sq ft | Retailer |
| Heats down to (maker) | -22°F | Retailer |
| Line set included | 16ft. line set | Retailer |
Alternatives worth comparing
More ductless mini-splits we cover
- Senville AURA 33,000 BTU 230V
- Cooper & Hunter 36,000 BTU 230V Mini-Split
- MRCOOL Easy Pro 12,000 BTU 115V
- MRCOOL DIY 12,000 BTU 115V
All ductless mini-splits, compared in one table · Every Senville product we cover
Final verdict
A strong pick where winters reach -22°F. Check that 24,000 BTU fits your room with the BTU calculator before you buy.
Where to buy
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