Blueridge / Blueridge DS2 DIY High Efficiency
Blueridge DS2 DIY High Efficiency 18k R-454B 208/230V Mini-Split
Scaling to 18,000 BTU on 230V, this DIY High Efficiency head keeps the precharged quick-connect linesets that make self-installation practical. It posts 22.5 SEER2, 13.7 EER2, and an 11.5 HSPF2 on R-454B, with ENERGY STAR and cold-climate ratings, producing 18,000 BTU at 47F, 13,400 BTU at 17F, and 12,800 BTU at 5F. It's a larger DIY option built for cold climates.
Refrigerant generation
R-454B - current-generation refrigerant
Paid link
$1,899 / Checked Jul 24, 2026
Need this installed?
Get installation quotes- Last sourced
- Aug 17, 2026
SplitAtlas score
8.7 / 10
(22.5 SEER2) among 18k systems
(11.5 HSPF2) among 18k systems
(5F certified capacity: 71.1% of the 47F rating; -13 F heating floor) among 18k systems
(19 dBA indoor min / 58.5 dBA outdoor) among 18k systems
(5 yr parts / 7 yr compressor) across the catalogue
(6 verified features) across the catalogue
($1,899 median retail) among 18k systems
(7 manuals; spec sheet) across the catalogue
Key ratings
Best-fit use cases
Best for a capable DIY homeowner in a cold climate who wants to self-install efficient, rebate-eligible heating and cooling in a large room or open area.
Where this system ranks
Buyer review snapshot
Best for / skip if
Best for
- High-efficiency shortlists; SEER2 is 22.5.
Install difficulty
- Electrical: 230V; MCA 18 A; breaker/fuse 20 A.
- Line set: Quick-connect line connections; precharged 25 ft; max 98.4 ft.
Alternatives
- Senville ELITE 18,000 BTU R-454B 208/230V (SENE-18EL-IHH / SENE-18EL-OH)
9.0 score / 18k / SEER2 25.6 / -22 F heating floor / 187-253V
Exact destination at Senville: $1,899.99, checked Jul 24, 2026
- ACiQ Standard 18,000 BTU R-454B 208/230V (ACIQ-18WS-HP230C / ACIQ-18ZS-HP230C)
9.0 score / 18k / SEER2 24 / -13 F heating floor / 230V
Exact destination at HVACDirect: $1,299.99, checked Jul 26, 2026
- ACiQ Extreme 18,000 BTU R-454B 208/230V (ACIQ-18W-HH-MD / ACIQ-18ZPL-HP230C)
9.0 score / 18k / SEER2 21.4 / -22 F heating floor / 230V
Exact destination at HVACDirect: $1,799.99, checked Jul 26, 2026
Availability and price context
- Last seen at Alpine Home Air on Jul 24, 2026: $1,899.00. Open the listing for today's price.
Source date
- Model data sourced
- Aug 17, 2026
- Page reviewed
- Jul 24, 2026
- Source-backed records
- 4
- Newest source retrieved
- Aug 17, 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
- Precharged DIY linesets bring self-install to an efficient, cold-climate 18K head.
- ENERGY STAR certified and cold-climate designated with strong heat retention -- 12,800 BTU at 5F.
- Balanced 22.5 SEER2 and 13.7 EER2 on low-GWP R-454B.
Weaknesses
- Larger self-installs demand more care with mounting and lineset routing than a small head.
- Blueridge's dealer and support network is thinner than premium brands if service is needed.
Climate suitability
- Minimum heating ambient
- -13 F[1]
- Certified heating at 5F
- 12,800 BTU/h[3]
- Rated heating at 17F
- 13,400 BTU/h[3]
- Rated heating at 47F
- 18,000 BTU/h[3]
Specifications
ShowHide
- Manufacturer
- Blueridge
- Brand
- Blueridge
- Product line
- Blueridge DS2 DIY High Efficiency
- Model number
- BDAFA18WM0 indoor / BDS2A18SC0 outdoor
- Indoor unit model
- BDAFA18WM0
- Outdoor unit model
- BDS2A18SC0
- Number of zones
- 1
- Max indoor units
- not published
- Rated cooling capacity
- 18,000 BTU/h[3]
- Rated heating capacity
- 18,000 BTU/h[3]
- Voltage
- 230 V[1]
- MCA
- 18 A[1]
- Maximum fuse or breaker size
- 20 A[1]
- Breaker needed
- not published
- SEER2
- 22.5 SEER2[3]
- EER2
- 13.7 EER2[3]
- HSPF2 (Region 4)
- 11.5 HSPF2[3]
- HSPF2 (Region 5)
- not published
- COP
- not published
- COP at 47F
- not published
- COP at 5F
- 2.44 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 / 30.5 / 40.5 / 44.5 / 54.5 dB(A)[1]
- Outdoor noise rating
- 58.5 dBA[1]
- Indoor weight
- 35.49 lb[1]
- Outdoor weight
- 93.48 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
- 216997597[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
- DIY install
- Retail price
- $1,899.00
- Available retailers
- Alpine Home Air
- Manual links
- AHRI public directory record 216997597, ENERGY STAR exact check 216997597, Blueridge DS1 DS2 DS3 Quick Installation Instructions V2, Blueridge BDS2A18SC0-18WM Alpine product page capture, Blueridge Blueridge DS2 DIY High Efficiency product page line-set specifications, Blueridge BDS2A18SC0-18WM Alpine product-page specification grid
- Specification sheet
- Blueridge BDS2A18SC0-18WM Alpine product-page specification grid
- Last sourced date
- Aug 17, 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
$1,899 / Checked Jul 24, 2026
Installation considerations
ShowHide
- Liquid line
- 1/4 in[1]
- Suction line
- 1/2 in[1]
- Line connection type
- Quick-connect 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
- 42.52 x 13.19 x 8.90 in[1]
- Outdoor dimensions
- 35.04 x 26.50 x 13.46 in[1]
- Indoor weight
- 35.49 lb[1]
- Outdoor weight
- 93.48 lb[1]
- Drain size
- not published
Related systems and guides
- More Blueridge systems
- Blueridge DM1 DIY 18k R-454B 208/230V 3-Zone Mini-Split
- Blueridge DS3 DIY All Climate 18k R-454B 208/230V Mini-Split
- ACiQ Standard 18k R-454B 208/230V Mini-Split
- Blueridge XM0 Basic 18k R-32 208/230V 2-Zone Mini-Split
- Guide library
- Mini split buying guide
- Single-zone vs multi-zone mini splits
- Troubleshooting
- Do mini splits work in cold weather?
- DIY vs professional mini split installation
- Blueridge mini split review: is Blueridge any good?
- The best 18,000 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 weak airflow
- Mini split making loud noise
- Line sets
- Line-set covers
Frequently asked questions
- Can I install the Blueridge DS2 DIY High Efficiency 18,000 BTU R-454B 208/230V (BDAFA18WM0 / BDS2A18SC0) myself, or do I need a pro?
- Blueridge DS2 DIY High Efficiency 18,000 BTU R-454B 208/230V (BDAFA18WM0 / BDS2A18SC0) is sold as a DIY-installable system. The electrical circuit is the part that is not DIY: plan on a licensed electrician for the dedicated circuit, and check whether your local permit office requires a permit for the install.
- Will the Blueridge DS2 DIY High Efficiency 18,000 BTU R-454B 208/230V (BDAFA18WM0 / BDS2A18SC0) keep heating in a cold winter?
- The AHRI/ENERGY STAR certification lists 12,800 BTU/h of heating capacity at 5F. Rated heating operation extends down to -13 F. Certified heating efficiency is 11.5 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 DS2 DIY High Efficiency 18,000 BTU R-454B 208/230V (BDAFA18WM0 / BDS2A18SC0) need?
- Published electrical requirements: 230 V voltage, 18 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 DS2 DIY High Efficiency 18,000 BTU R-454B 208/230V (BDAFA18WM0 / BDS2A18SC0) 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
ShowHide
- 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: Blueridge Blueridge DS2 DIY High Efficiency line-set specificationsSourced - manufacturer product page
Covers Line connection type
- AHRI certificate #216997597 - 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
Last updated
Jul 24, 2026