Which matched system has the lowest published equipment price?

For a basement mini split, Senville AURA 12k 230V (SENA-12HF) has the lowest published equipment price among the matched systems currently shown here at $1,400. Recheck current retailer pages before buying because prices and availability can change.

Use-case guide

Best Mini Splits for a Basement

Find mini splits that fit basement cooling, heating, humidity, and drainage constraints.

Size this room Open finder

Matched systems: 6

Recommended BTU Range

Sizing range

9k to 18k BTU/h

Basement frame with a lower cooling-load adjustment. The frame models 300 to 440 sq ft; use the calculator CTA for actual dimensions, climate, ceiling height, windows, and insulation.

Calculator

Planning Notes

Humidity Is The Real Enemy

Basements often feel uncomfortable because of humidity before raw temperature. Dehumidify modes and longer low-speed run time can matter more than peak output.

Heating Finished Space

Finished basements in cold zones still need a heating check, even when the cooling load looks modest.

cold-weather performance guide

Condensate Drainage

Gravity drains are often unavailable below grade, so a condensate pump may become part of the installed-cost picture.

DIY vs professional guide

Cooler Ambient

Basements can have a smaller cooling load than square footage suggests because the space is shaded and partly earth-tempered.

sizing calculator

Matched Systems

Our top pickRank 1

Mitsubishi Electric / M-Series GS

Mitsubishi Electric M-Series GS 12k 230V (MSZ-GS12NA / MUZ-GS12NA)

Why it fits

The premium pick for a finished basement. 12k matches the basement sizing frame once the 0.90 below-grade cooling adjustment is applied - bigger is not better here, since an oversized unit short-cycles and dehumidifies poorly, which is the one thing a basement cannot afford. Certified SEER2 25.6 / HSPF2 10.7, professionally installed on 230V.

Cooling

12,000BTU/h

Heating

14,400BTU/h

Efficiency

SEER2 25.6 / HSPF2 10.7

Electrical

230V / Professional install

Low ambient

-4F

Noise and controls

Indoor cooling 19-22-30-37-45; heating 19-22-30-37-43 / Wi-Fi

Data completeness: 100%

Verified Jul 2026

45 source records

No current retail listing is available for the top pick.

Rank 2

Mitsubishi Electric / M-Series FS

Mitsubishi Electric M-Series FS 12k 230V (MSZ-FS12NA / MUZ-FS12NAH)

Cooling

12,000BTU/h

Heating

12,300BTU/h

Efficiency

SEER2 26.3 / HSPF2 10.4

Electrical

230V / Professional install

Low ambient

-13F

Noise and controls

Indoor cooling 21-24-29-36-44; heating 21-28-32-38-43 / Wi-Fi

Data completeness: 100%

Verified Jul 2026

49 source records

Rank 3

Senville / AURA

Senville AURA 12k 230V (SENA-12HF)

Why it fits

Same cold-climate credentials as its 9k sibling with more capacity for larger finished basements; the AURA's published dehumidification behavior addresses the real basement enemy - moisture - and Wi-Fi control helps for a space you don't visit daily.

Cooling

12,000BTU/h

Heating

12,000BTU/h

Efficiency

SEER2 25.4 / HSPF2 10.5

Electrical

230V / Professional install

Low ambient

-22F

Noise and controls

Indoor 47/40/34/24 / Wi-Fi

Data completeness: 88%

Verified Jul 2026

31 source records

Rank 4

GREE / Vireo R32

GREE Vireo R32 12,000 BTU (230V)

Cooling

12,000BTU/h

Heating

12,000BTU/h

Efficiency

SEER2 24.5 / HSPF2 9.5

Electrical

230V / Professional install

Low ambient

-22F

Noise and controls

Indoor 20 - 43 / Wi-Fi

Data completeness: 98%

Verified Jul 2026

53 source records

Rank 5

Mitsubishi Electric / M-Series GS

Mitsubishi Electric M-Series GS Hyper-Heating 12k 230V (MSZ-GS12NA / MUZ-GS12NAHZ)

Cooling

12,000BTU/h

Heating

12,300BTU/h

Efficiency

SEER2 21.7 / HSPF2 9.6

Electrical

230V / Professional install

Low ambient

-13F

Noise and controls

Indoor cooling 19-22-30-37-45; heating 19-22-30-37-43 / Wi-Fi

Data completeness: 100%

Verified Jul 2026

49 source records

Rank 6

MRCOOL DIY 5th Gen 12k single-zone mini-split system with indoor wall unit, outdoor condenser, and line set

MRCOOL / DIY 5th Generation

MRCOOL DIY 5th Gen 12,000 BTU (115V)

Why it fits

The same 115V advantage with a size up for finished basements pushing past ~500 adjusted square feet. DIY pre-charged line set matters here: basement installs often route through rim joists, and avoiding a refrigerant call keeps the retrofit simple.

Cooling

12,000BTU/h

Heating

12,000BTU/h

Efficiency

SEER2 23.5 / HSPF2 10.2

Electrical

115V / DIY-marketed

Low ambient

-13F

Noise and controls

Indoor 43.0/39.5/33.5/24.0/18.0 dB(A)

Data completeness: 88%

Verified Jul 2026

31 source records

Current Retail Options

Some retailer links may earn us a commission at no extra cost; paid relationships never change scores or recommendations. Affiliate disclosure

Paid link

Senville AURA 12k 230V (SENA-12HF)

Check price at Senville

$1,400 / Fresh price - checked Jul 18, 2026

GREE Vireo R32 12,000 BTU (230V)

Check price at HVACDirect

$2,143 / Fresh price - checked Jul 21, 2026

MRCOOL DIY 5th Gen 12,000 BTU (115V)

Check price at HVACDirect

$2,359 / Fresh price - checked Jul 18, 2026

Equipment And Installed Cost Ranges

Equipment: $900 to $1,900
DIY installed: $1,670 to $5,015
Pro installed: $3,145 to $8,615

12k

Equipment: $1,000 to $2,400
DIY installed: $1,820 to $5,665
Pro installed: $3,495 to $9,665

18k

Equipment: $1,400 to $3,200
DIY installed: $2,320 to $6,715
Pro installed: $4,295 to $11,515

Common Mistakes

Sizing a basement like an upstairs room with the same square footage.
Ignoring condensate pump noise, access, and maintenance.
Buying extra capacity to solve moisture instead of checking run time and dehumidification.

Frequently asked questions

Which is the best basement mini split?: For a basement mini split, our top pick is Mitsubishi Electric M-Series GS 12k 230V (MSZ-GS12NA / MUZ-GS12NA). The premium pick for a finished basement.
Which matched system has the lowest published equipment price?: For a basement mini split, Senville AURA 12k 230V (SENA-12HF) has the lowest published equipment price among the matched systems currently shown here at $1,400. Recheck current retailer pages before buying because prices and availability can change.

Sources

Calculator sources

Room-sizing calculator methodretrieved 2026-07-18
SplitAtlas installation-cost methodologyretrieved 2026-07-18
SplitAtlas planning-range methodologyretrieved 2026-07-18
SplitAtlas editorial cost estimateretrieved 2026-07-18

System sources

AHRI: AHRI certificate 214813257 for VIR12HP230V1R32AO / VIR12HP230V1R32AHfor GREE Vireo R32 12,000 BTU (230V)
Covers cooling capacity, heating capacity, HSPF2, SEER2; retrieved Jul 21, 2026
GREE Comfort: GREE Vireo R32 submittal 12MBH 230Vfor GREE Vireo R32 12,000 BTU (230V)
Covers voltage range, indoor noise, Wi-Fi support, low-ambient heating; retrieved Jul 21, 2026
HVACDirect: HVACDirect product page GREE Vireo R32 12,000 BTU (230V)for GREE Vireo R32 12,000 BTU (230V)
Covers price; retrieved Jul 21, 2026
HVACDirect: HVACDirect product page DIY-12-HP-WM-115D25-Ofor MRCOOL DIY 5th Gen 12,000 BTU (115V)
Covers low-ambient heating, price; retrieved Jul 18, 2026
MRCOOL: MRCOOL R454B DIY-5 submittalfor MRCOOL DIY 5th Gen 12,000 BTU (115V)
Covers voltage, indoor noise, cooling capacity, heating capacity, HSPF2 and more; retrieved Jul 18, 2026
AHRI: AHRI Directory Air-Source Heat Pumps record ref 209832204for Mitsubishi Electric M-Series FS 12k 230V (MSZ-FS12NA / MUZ-FS12NAH)
Covers HSPF2, SEER2; retrieved Jul 20, 2026
Mitsubishi Electric Trane HVAC US: MSZ-FS12NA & MUZ-FS12NAH submittalfor Mitsubishi Electric M-Series FS 12k 230V (MSZ-FS12NA / MUZ-FS12NAH)
Covers voltage range, indoor noise, Wi-Fi support, cooling capacity, heating capacity; retrieved Jul 20, 2026