Why it matters
The Senville AURA 33,000 BTU 230V is rated at 33,000 BTU of cooling. On the ENERGY STAR room sizing chart that suits about 1,500 to 2,000 sq ft of average room. It needs a 230V (208/240V) circuit, which usually means an electrician if one isn't already at the spot.
Its 19.5 SEER ranks 2 of 3 among the mini-splits within about 12% of its capacity that we cover; the most efficient is the Senville LETO 30,000 BTU 230V at 20. The maker says heat-pump heating keeps working down to -22°F outside, hyper-heat territory. Indoor noise is listed at 35 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. 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 48 inD x 40 inW x 60 inH, a shipping or unit weight of 157 pounds, a 2,750 W power draw and 16 ft. copper line, communication cable, indoor air handler, outdoor condenser, remote control, wifi kit in the box.
Who it's for, and who should skip it
Good fit if
- Rooms of about 1,500-2,000 sq ft
- Cold-climate heating
- Lower running costs than most same-size systems
Look elsewhere if
- Spaces much larger than 2,000 sq ft
- Owners who want to avoid a licensed install
Pros and cons
Pros
- 19.5 SEER
- Heats down to -22°F
- 16ft. line set included
Cons
- 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 | 2.75 tons | Retailer |
|---|---|---|
| Cooling capacity (maker) | 33000 BTU | Retailer |
| Features (seller) | Alexa Enabled | Retailer |
| Dimensions (seller) | 48"D x 40"W x 60"H | Retailer |
| SEER (maker) | 19.5 | Retailer |
| Voltage | 220 V | Retailer |
| Noise (seller) | 35 db | Retailer |
| Refrigerant | R-454B | Retailer |
| Wattage | 2750 W | Retailer |
| Model number | SENA-33HF-16 | Retailer |
| Product weight | 157 lb | Retailer |
| Control | App | Retailer |
| Heats down to (maker) | -22°F | Retailer |
| Line set included | 16ft. line set | Retailer |
Alternatives worth comparing
More ductless mini-splits we cover
- Cooper & Hunter 24,000 BTU 230V Mini-Split
- MRCOOL Easy Pro 12,000 BTU 115V
- MRCOOL DIY 12,000 BTU 115V
- MRCOOL Easy Pro 18,000 BTU 230V (EZPRO-18-HP-23016)
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 33,000 BTU fits your room with the BTU calculator before you buy.
Where to buy
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