Blueridge / Blueridge XS6 Max Efficiency
Blueridge XS6 Max Efficiency 9k R-454B 208/230V Mini-Split
This 9K Max Efficiency head is another top performer at 33.3 SEER2, with 17 EER2 and a 14.6 HSPF2 on R-454B. Like its 6K sibling, it is certified at 12,000 BTU at 47F, 11,000 BTU at 17F and 13,500 BTU at 5F. It's an ENERGY STAR, cold-climate flagship for a single room that endures serious cold.
1 zoneProfessional installCurrent
Refrigerant generation
R-454B - current-generation refrigerant
Paid link
$1,689 / Checked Jul 24, 2026
Need this installed?
Get installation quotesData completeness: 98%
- Last sourced
- Aug 29, 2026
SplitAtlas score
8.9 / 10
Cooling efficiencyTop 10%
(33.3 SEER2) among <=9k systems
Heating efficiencyTop 10%
(14.6 HSPF2) among <=9k systems
Cold-weather performanceTop quartile
(5F certified capacity: 100% of the 47F rating; -22 F heating floor) among <=9k systems
NoiseAbove average
(19 dBA indoor min / 57 dBA outdoor) among <=9k systems
WarrantyBelow average
(5 yr parts / 7 yr compressor) across the catalogue
Feature setTop quartile
(6 verified features) across the catalogue
Price-to-performanceBelow average
($1,689 median retail) among <=9k systems
Documentation & partsBelow average
(6 manuals; spec sheet) across the catalogue
Not evaluated
- Installation accessibility — not applicable (professional install)N/A
professional install - DIY-accessibility not applicable
Key ratings
Best-fit use cases
A great match for a single room in a cold climate where a homeowner wants near-maximum efficiency and heating that peaks in deep cold.
Where this system ranks
Buyer review snapshot
Best for / skip if
Best for
- Top efficiency shortlists; SEER2 is 33.3.
Install difficulty
Professional flared-line install
- Electrical: 230V; MCA 16 A; breaker/fuse 20 A.
- Line set: Flared line connections; precharged 25 ft; max 82 ft.
Availability and price context
- Last seen at Alpine Home Air on Jul 24, 2026: $1,689.00. Open the listing for today's price.
Source date
- Model data sourced
- Aug 29, 2026
- Page reviewed
- Jul 24, 2026
- Source-backed records
- 5
- Newest source retrieved
- Aug 29, 2026
Warranty tiers
- Base
- 5 yr parts / 7 yr compressor - limited warranty terms
The score uses Base. Additional published terms are shown for reference and not counted in the score.
Strengths
- Among the most efficient units in the catalog at 33.3 SEER2 and 17 EER2.
- 13,500 BTU certified at 5F, above the 47F rating - real cold-climate capacity.
- ENERGY STAR certified and cold-climate designated on low-GWP R-454B.
Weaknesses
- Premium flagship pricing means the efficiency return depends on runtime and utility rates.
- The value brand's dealer and support coverage is thinner than premium names, so a professional install is the right call for this XS unit.
Climate suitability
- Minimum heating ambient
- -22 F[1]
- Certified heating at 5F
- 13,500 BTU/h[3]
- Rated heating at 17F
- 11,000 BTU/h[3]
- Rated heating at 47F
- 12,000 BTU/h[3]
Specifications
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- Manufacturer
- Blueridge
- Brand
- Blueridge
- Product line
- Blueridge XS6 Max Efficiency
- Model number
- BXS6A09WM0 indoor / BXS6A09UC0 outdoor
- Indoor unit model
- BXS6A09WM0
- Outdoor unit model
- BXS6A09UC0
- Number of zones
- 1
- Max indoor units
- not published
- Rated cooling capacity
- 9,000 BTU/h[3]
- Rated heating capacity
- 12,000 BTU/h[3]
- Voltage
- 230 V[1]
- MCA
- 16 A[1]
- Maximum fuse or breaker size
- 20 A[1]
- Breaker needed
- not published
- SEER2
- 33.3 SEER2[3]
- EER2
- 17 EER2[3]
- HSPF2 (Region 4)
- 14.6 HSPF2[3]
- HSPF2 (Region 5)
- not published
- COP
- not published
- COP at 47F
- not published
- COP at 5F
- 2 COP[3]
- Minimum outdoor heating temperature
- -22 F[1]
- Minimum outdoor cooling temperature
- -22 F[1]
- Maximum outdoor temperature
- 122 F[1]
- Indoor noise range
- 19 / 23 / 33 / 41.5 dB(A)[1]
- Outdoor noise rating
- 57 dBA[1]
- Indoor weight
- 28.22 lb[1]
- Outdoor weight
- 99.65 lb[1]
- Refrigerant
- R-454B[3]
- Refrigerant charge
- not published
- Manufacturer coverage
- not published
- Line-set size
- 1/4 in liquid / 3/8 in suction
- Included line-set length
- Alpine Blueridge system pages can be paired with different line-set/accessory selections; the AHRI-certified indoor/outdoor pair has no single included line-set length.
- Maximum line-set length
- 82 ft[1]
- Max line set per indoor
- not published
- Maximum elevation difference
- 49.2 ft[1]
- Max height between indoor units
- not published
- Wi-Fi support
- supported[1]
- Energy Star status
- ENERGY STAR certified[4]
- AHRI certification number
- 216997533[3]
- Warranty
- Base: 5 yr parts / 7 yr compressor (limited warranty terms). Score uses Base.. 5-year parts / 7-year compressor limited warranty
- Install path
- Professional install
- Retail price
- $1,689.00
- Available retailers
- Alpine Home Air
- Manual links
- AHRI public directory record 216997533, ENERGY STAR exact check 216997533, Blueridge BXS6A09UC0-9WM Alpine product page capture, Blueridge Blueridge XS6 Max Efficiency product page line-set specifications, Blueridge BXS6A09UC0-9WM Alpine product-page specification grid
- Specification sheet
- Blueridge BXS6A09UC0-9WM Alpine product-page specification grid
- Last sourced date
- Aug 29, 2026
Retail purchase context
Some retailer links may earn us a commission at no extra cost; paid relationships never change scores or recommendations. Affiliate disclosure
Paid link
$1,689 at Alpine Home Air
$1,689 / Checked Jul 24, 2026
Installation considerations
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- Liquid line
- 1/4 in[1]
- Suction line
- 3/8 in[1]
- Line connection type
- Flared line connections[2]
- Precharged length
- 25 ft[1]
- Included line-set length
- Alpine Blueridge system pages can be paired with different line-set/accessory selections; the AHRI-certified indoor/outdoor pair has no single included line-set length.
- Maximum line-set length
- 82 ft[1]
- Max line set per indoor
- not published
- Max height between indoor units
- not published
- Indoor dimensions
- 40.06 x 12.60 x 9.72 in[1]
- Outdoor dimensions
- 35.04 x 26.5 x 13.46 in[1]
- Indoor weight
- 28.22 lb[1]
- Outdoor weight
- 99.65 lb[1]
- Drain size
- not published
Related systems and guides
- More Blueridge systems
- Blueridge XS5 All Climate Plus 9k R-454B 208/230V Mini-Split
- Bosch Climate 5000 A B Legacy 9k Regular R-410A Mini-Split
Previous generation
- Blueridge XS1 Basic 9.1k R-32 115V Mini-Split
- Blueridge XS3 High Efficiency 9k R-454B 208/230V Mini-Split
- Guide library
- Mini split buying guide
- Single-zone vs multi-zone mini splits
- Troubleshooting
- Do mini splits work in cold weather?
- Blueridge mini split review: is Blueridge any good?
- The best 9,000 BTU mini splits of 2026
- The best cold-climate mini splits of 2026
- The best mini splits for heating of 2026
- Mini split heating capacity in the cold: what your unit actually delivers at 5F
- The mini split defrost cycle, explained
- The best DIY mini splits of 2026
- What "DIY mini split" actually means
- How to install a mini split (DIY overview)
- Mini split not heating
- Mini split indoor unit freezing up
- Mini split remote not working
- Mini split short cycling
- Mini split Wi-Fi not connecting
- Line sets
- Line-set covers
Frequently asked questions
- Can I install the Blueridge XS6 Max Efficiency 9,000 BTU R-454B 208/230V (BXS6A09WM0 / BXS6A09UC0) myself, or do I need a pro?
- Blueridge XS6 Max Efficiency 9,000 BTU R-454B 208/230V (BXS6A09WM0 / BXS6A09UC0) is built for professional installation: the line set must be flared, evacuated, and charged, which requires EPA-certified refrigerant handling. Installing it outside the manufacturer's requirements can void the warranty, so budget for a qualified HVAC installer.
- Will the Blueridge XS6 Max Efficiency 9,000 BTU R-454B 208/230V (BXS6A09WM0 / BXS6A09UC0) keep heating in a cold winter?
- The AHRI/ENERGY STAR certification lists 13,500 BTU/h of heating capacity at 5F. Rated heating operation extends down to -22 F. Certified heating efficiency is 14.6 HSPF2. Match those numbers against your climate's design temperature - in cold regions, output at 5F matters far more than the nameplate capacity measured at 47F.
- What electrical circuit does the Blueridge XS6 Max Efficiency 9,000 BTU R-454B 208/230V (BXS6A09WM0 / BXS6A09UC0) need?
- Published electrical requirements: 230 V voltage, 16 A minimum circuit ampacity, and 20 A maximum breaker or fuse sizing. Confirm the final circuit against the unit nameplate and local code with a licensed electrician.
- How far can the outdoor unit be from the indoor head?
- The published maximum line-set length is 82 ft. The outdoor unit's factory charge covers up to 25 ft of line; longer runs need added refrigerant. Measure the planned routing before ordering.
- What warranty does the Blueridge XS6 Max Efficiency 9,000 BTU R-454B 208/230V (BXS6A09WM0 / BXS6A09UC0) carry?
- The manufacturer publishes these warranty tiers: Base: 5 yr parts / 7 yr compressor (limited warranty terms). Score uses Base.. Registration requirements and proof of qualified installation commonly affect coverage, so read the warranty terms before install day.
Data sources
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- Alpine Home Air Products: Blueridge BXS6A09UC0-9WM Alpine product specification gridSourced - manufacturer technical document
Covers Maximum breaker size, Maximum fuse size, Minimum circuit ampacity, Phase, Voltage, Voltage range and more
- Blueridge / Alpine Home Air Products: Flared line set and professional startup evidenceSourced - manufacturer technical document
Covers Line connection type
- AHRI certificate #216997533 - search the AHRI DirectorySourced - AHRI directory
Covers AHRI certification number, Rated cooling capacity, COP at 5F, EER2, Rated heating capacity, HSPF2 (Region 4) and more
- ENERGY STAR: ENERGY STAR exact row check for AHRI 216997533Sourced - Energy Star listing
Covers Energy Star status
- Blueridge / Alpine Home Air Products: Flared line set and professional startup evidenceSourced - manufacturer technical document
Covers system.diy_status, system.installation_type, system.sales_intent
Last updated
Jul 24, 2026