SplitAtlas

Blueridge / Blueridge XS2 Core

Blueridge XS2 Core 18k R-454B 208/230V Mini-Split

Certified capacity
18,000 BTU/h[3]
SEER2
20.2 SEER2[3]
Heating floor
-13 F[1]
Voltage
230 V[1]
Install path
Professional install

At 18,000 BTU, this Core head covers a larger space with 20.2 SEER2, 11.5 EER2, and 9.1 HSPF2 on R-454B. It's ENERGY STAR certified and rated 18,800 BTU at 47F, 14,000 BTU at 17F, and 11,500 BTU at 5F. Although not carrying the cold-climate designation, it keeps a lot of heat on the table well below freezing.

1 zoneProfessional installCurrent

Refrigerant generation

R-454B - current-generation refrigerant

Paid link

$1,089 / Checked Jul 24, 2026

$1,089 at Alpine Home Air

Need this installed?

Get installation quotes
Error Codes
Data completeness: 100%
Last sourced
Aug 29, 2026

SplitAtlas score

8.0 / 10

Methodology
Cooling efficiencyBottom quartile

(20.2 SEER2) among 18k systems

Heating efficiencyBottom quartile

(9.1 HSPF2) among 18k systems

Cold-weather performanceBottom quartile

(5F certified capacity: 61.2% of the 47F rating; -13 F heating floor) among 18k systems

NoiseTop 10%

(19 dBA indoor min / 58 dBA outdoor) among 18k systems

WarrantyBelow average

(5 yr parts / 7 yr compressor) across the catalogue

Feature setAbove average

(5 verified features) across the catalogue

Price-to-performanceTop quartile

($1,089 median retail) among 18k systems

Documentation & partsTop quartile

(7 manuals; spec sheet; 7 error-code rows) across the catalogue

Not evaluated

  • Installation accessibility — not applicable (professional install)N/A

    professional install - DIY-accessibility not applicable

Key ratings

Rated cooling

18,000BTU/h[3]

Rated heating

18,800BTU/h[3]

Best-fit use cases

Best for a large room or open area in a moderate climate where a homeowner wants efficient, ENERGY STAR cooling with solid, if not cold-climate-rated, heating.

Buyer review snapshot

Install difficulty

Professional flared-line install
  • Electrical: 230V; MCA 15 A; breaker/fuse 20 A.
  • Line set: Flared line connections; precharged 25 ft; max 98.4 ft.

Alternatives

Availability and price context

  • Last seen at Alpine Home Air on Jul 24, 2026: $1,089.00. 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.

Review methodology

Strengths

  • ENERGY STAR certified, so it's positioned for rebate programs.
  • Strong heat retention for its class, holding 14,000 BTU at 17F.
  • Balanced 11.5 EER2 cooling efficiency on low-GWP R-454B.

Weaknesses

  • Not AHRI cold-climate designated, so it shouldn't be counted on as a deep-cold primary heat source; output settles to 11,500 BTU at 5F.
  • Blueridge's support network is leaner than premium brands, and this XS unit warrants a professional install.

Climate suitability

Minimum heating ambient
-13 F[1]
Certified heating at 5F
11,500 BTU/h[3]
Rated heating at 17F
14,000 BTU/h[3]
Rated heating at 47F
18,800 BTU/h[3]

Specifications

Show
Manufacturer
Blueridge
Brand
Blueridge
Product line
Blueridge XS2 Core
Model number
BXS2A18WM0 indoor / BXS2A18SC0 outdoor
Indoor unit model
BXS2A18WM0
Outdoor unit model
BXS2A18SC0
Number of zones
1
Max indoor units
not published
Rated cooling capacity
18,000 BTU/h[3]
Rated heating capacity
18,800 BTU/h[3]
Voltage
230 V[1]
MCA
15 A[1]
Maximum fuse or breaker size
20 A[1]
Breaker needed
not published
SEER2
20.2 SEER2[3]
EER2
11.5 EER2[3]
HSPF2 (Region 4)
9.1 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
-13 F[1]
Minimum outdoor cooling temperature
-13 F[1]
Maximum outdoor temperature
122 F[1]
Indoor noise range
19 / 23 / 38 / 45 / 49 dB(A)[1]
Outdoor noise rating
58 dBA[1]
Indoor weight
25.35 lb[1]
Outdoor weight
72.31 lb[1]
Refrigerant
R-454B[3]
Refrigerant charge
not published
Manufacturer coverage
not published
Line-set size
1/4 in liquid / 1/2 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
98.4 ft[1]
Max line set per indoor
not published
Maximum elevation difference
65.6 ft[1]
Max height between indoor units
not published
Wi-Fi support
supported[1]
Energy Star status
ENERGY STAR certified[4]
AHRI certification number
217328210[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
$1,089.00
Available retailers
Alpine Home Air
Manual links
AHRI public directory record 217328210, ENERGY STAR exact check 217328210, Blueridge XS2A WM Installation Instructions, Blueridge BXS2A18SC0-18WM Alpine product page capture, Blueridge XS2 product page line-set specifications, Blueridge BXS2A18SC0-18WM Alpine product-page specification grid
Specification sheet
Blueridge BXS2A18SC0-18WM 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

$1,089 at Alpine Home Air

$1,089 / Checked Jul 24, 2026

Electrical requirements

Show
Voltage
230 V[1]
Voltage range
208/230V[1]
Phase
1[1]
Frequency
60 Hz[1]
MCA
15 A[1]
Breaker needed
not published
Maximum breaker size
20 A[1]
Maximum fuse size
20 A[1]
Maximum cooling current
not published
Maximum heating current
not published
Manufacturer wire notes
not published

Installation considerations

Show
Liquid line
1/4 in[1]
Suction line
1/2 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
98.4 ft[1]
Max line set per indoor
not published
Max height between indoor units
not published
Indoor dimensions
38.23 x 12.64 x 8.98 in[1]
Outdoor dimensions
31.69 x 21.81 x 12.99 in[1]
Indoor weight
25.35 lb[1]
Outdoor weight
72.31 lb[1]
Drain size
not published

Related systems and guides

Frequently asked questions

Can I install the Blueridge XS2 Core 18,000 BTU R-454B 208/230V (BXS2A18WM0 / BXS2A18SC0) myself, or do I need a pro?
Blueridge XS2 Core 18,000 BTU R-454B 208/230V (BXS2A18WM0 / BXS2A18SC0) 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 XS2 Core 18,000 BTU R-454B 208/230V (BXS2A18WM0 / BXS2A18SC0) keep heating in a cold winter?
The AHRI/ENERGY STAR certification lists 11,500 BTU/h of heating capacity at 5F. Rated heating operation extends down to -13 F. Certified heating efficiency is 9.1 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 XS2 Core 18,000 BTU R-454B 208/230V (BXS2A18WM0 / BXS2A18SC0) need?
Published electrical requirements: 230 V voltage, 15 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 98.4 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 XS2 Core 18,000 BTU R-454B 208/230V (BXS2A18WM0 / BXS2A18SC0) 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

Show
  1. Alpine Home Air Products: Blueridge BXS2A18SC0-18WM Alpine product specification gridSourced - manufacturer technical document

    Covers Frequency, Maximum breaker size, Maximum fuse size, Minimum circuit ampacity, Phase, Voltage and more

  2. Blueridge / Alpine Home Air Products: Flared line set and professional startup evidenceSourced - manufacturer technical document

    Covers Line connection type

  3. AHRI certificate #217328210 - 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

  4. ENERGY STAR: ENERGY STAR exact row check for AHRI 216997533Sourced - Energy Star listing

    Covers Energy Star status

  5. 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