Senville · Model SENA-24HF-NL
Aura 24,000 BTU Mini Split Heat Pump
A wall-mounted split air conditioner rated at 24,000 BTU. It heats in winter too.
$1,769.99
Live price at SylvanePackage: no line set
Price checked Oct 7, 2026
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Price history at Sylvane
Based on 10 prices we have recorded since Sep 26, 2026, not a market average.
Will it cool your room?
This has more cooling than your 250 sq ft room needs. It can short-cycle and leave the air cool but humid.
Mini-splits are rated on SEER2, a seasonal scale, not the ENERGY STAR annual-kWh figure this dollar estimate is built from, so there is no comparable figure to show here. A blank is missing data, not a worse result: a mini-split is often the more efficient choice.
Installation cost
$2,500-6,000 fully installed for a typical room (the equipment is roughly $700-1,800, professional installation roughly $1,500-4,000+ depending on line-set run, electrical and access). The unit price you see here is hardware only; installation is the larger, separate cost.
A typical range for this system type, for comparison only, not a quote for this unit. The actual price depends on the line-set run, electrical work and access.
What each mini-split size costs todayAt a glance
Best for year-round use, cooling in summer and heating in winter.
Performance
- Cooling capacity
- 24,000 BTU · 7 kW
- Heating capacity
- 29,700 BTU
- Heats down to
- -22°F outdoors
- Room coverage
- Not published
- Energy Star
- Not published
- SEER2
- 21
- EER2
- 13
- Annual energy (cooling)
- Not published
Noise, size & features
- Model number
- SENA-24HF-NL
- Indoor noise
- 46 dB(A)about as loud as a refrigerator
- Outdoor noise
- Not published
- Indoor unit
- 46.85 x 16 x 16 in
- Outdoor unit
- 37.24 x 31.89 x 16.14 in (W x H x D)
- Refrigerant
- R-454B
- Wi-Fi / app
- Not published
- Outdoor unit needed
- Yes
- Power supply
- 208/230 V
- Warranty
- 10-Year Compressor Warranty; 5 Year Parts Warranty
SEER2, EER2, heating capacity, heating limit, supply voltage, refrigerant, outdoor unit size and warranty are from Sylvane's published specifications for this exact configuration, checked Oct 2, 2026.
What is good
- It is rated to keep heating down to -22°F outdoors, colder than 41 of the 50 other mini-splits we list that publish a heating limit.
- At $1,770 it undercuts 24 of the 29 other 20,000 BTU and up mini-splits we list with a live price.
- Uses R-454B (GWP 466), the low-GWP class new US residential equipment moved to.
Installation & the rules that apply
This is a single split. This is where regulation bites. Under EPA Section 608 the refrigerant circuit may only be opened by a certified technician, and the EPA is explicit that this includes connecting or disconnecting the pre-charged line sets sold with "DIY" mini-split kits. No federal law stops you doing the mounting, bracketing and line routing yourself, but handling the refrigerant without certification voids the warranty and is a violation. Most US jurisdictions also require permits for a new outdoor unit: typically mechanical or building for the wall penetration and mount, plus electrical for the dedicated 240 V circuit and disconnect. An HOA nearly always has to approve exterior equipment in advance, and local noise ordinances can cap how loud the condenser may be at the property line. This varies by city and county, so confirm with your building department before buying hardware.
Certified installer
R-454B
Common questions about the Senville Aura 24,000 BTU Mini Split Heat Pump
- How loud is the Senville Aura 24,000 BTU Mini Split Heat Pump?
- 46 dB(A) indoors, about as loud as a refrigerator.
- How energy-efficient is the Senville Aura 24,000 BTU Mini Split Heat Pump?
- Its efficiency rating is SEER2 21.
- Do I need a professional to install the Senville Aura 24,000 BTU Mini Split Heat Pump?
- Yes. As a single split it needs a certified installer. Usually needs permission.
- Does the Senville Aura 24,000 BTU Mini Split Heat Pump heat as well as cool?
- Yes. It is a heat pump that also heats, rated 29,700 BTU of heating output.
- How cold can it get outside before the Senville Aura 24,000 BTU Mini Split Heat Pump stops heating?
- Its retailer's specification for this exact configuration rates it to keep heating down to -22°F outdoors. That is its operating limit, not its full output: a heat pump delivers less heat as it gets colder, so size it for your coldest days.
How Senville compares with other brands
Both lineups at every size both brands sell in stock, with live prices, ratings and the warranty each listing states.
How the Senville Aura line compares
Both lines at every size both sell in stock, with live prices, ratings, recalls and what each maker says about its line.
Is a split even the right type?
Compare splits against the other types on price, noise, efficiency and install.
Buying guides for a single split like this
The questions buyers ask, answered from live prices and real specs. See where a single split like this fits.
More Senville Aura models
Senville
Aura Floor Mounted 24,000 BTU Mini Split Heat Pump
A wall-mounted split air conditioner rated at 24,000 BTU. It heats in winter too.
$1,749.99
at Sylvane
Package: no line set
+ pro install, usually $1,500-4,000
Senville
Aura Concealed Duct 24,000 BTU Mini Split Heat Pump
A wall-mounted split air conditioner rated at 24,000 BTU for rooms up to 1,400 sq ft. It heats in winter too.
$1,769.99
at Sylvane
Package: no line set
+ pro install, usually $1,500-4,000
Senville
Aura 24,000 BTU Ceiling Cassette Mini Split Heat Pump
A wall-mounted split air conditioner rated at 24,000 BTU. It heats in winter too.
$1,760
Hardware price
+ pro install, usually $1,500-4,000