Blueridge / DM1 DIY
Blueridge DM1 DIY 27k R-454B 208/230V 4-Zone Mini-Split
The Blueridge DM1 DIY 4-Zone 27k extends the DIY-leaning R-454B line to four indoor heads on one 208/230V outdoor unit. Certified nominal SEER2 is 23, EER2 12.0, HSPF2 9.0 - strong efficiency for a four-zone system.
Cooling is rated 26,000 BTU; heating falls off from the 47F rating, measuring 26,000 BTU at 47F, 16,200 at 17F, and 18,200 at 5F. It is ENERGY STAR certified and AHRI cold-climate designated.
Despite DIY marketing, its flared connections require professional vacuum and startup - not a true precharged self-install.
4 zonesDIY installCurrent
Refrigerant generation
R-454B - current-generation refrigerant
Need this installed?
Get installation quotesData completeness: 97%
- Last sourced
- Jul 29, 2026
SplitAtlas score
7.8 / 10
Cooling efficiencyAbove average
(23.0 SEER2) among 24k systems
Heating efficiencyBottom quartile
(9.0 HSPF2) among 24k systems
Cold-weather performanceBelow average
(5F certified capacity: 70% of the 47F rating; -13 F heating floor) among 24k systems
WarrantyBelow average
(5 yr parts / 7 yr compressor) across the catalogue
Feature setAbove average
(5 verified features) across the catalogue
Documentation & partsBelow average
(6 manuals; spec sheet) across the catalogue
Key ratings
Best-fit use cases
A four-room DIY-minded owner who wants R-454B efficiency and will hire out the vacuum and startup.
Where this system ranks
Buyer review snapshot
Best for / skip if
Best for
- 4-zone projects in the 24k outdoor capacity class.
- High-efficiency shortlists; SEER2 is 23.
Install difficulty
DIY multi-zone with planning load
- Electrical: 230V; MCA 23 A; breaker/fuse 25 A.
- Line set: Quick-connect line connections; precharged 98.4 ft; max 262.4 ft.
- 4-zone condenser; indoor-head matching and branch layout are part of the job.
Availability and price context
We don't link to a listing for this exact model yet. If you buy it elsewhere, match the indoor and outdoor model numbers and the kit contents to this page.
Source date
- Model data sourced
- Jul 29, 2026
- Page reviewed
- Jul 29, 2026
- Source-backed records
- 3
- Newest source retrieved
- Jul 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.
Model context
- Structured ratings
- Certification: ENERGY STAR certified, ENERGY STAR cold-climate certified and AHRI cold-climate designated. Refrigerant: current low-GWP R-454B. Minimum heating ambient: -13 F.
Strengths
- Four efficient zones on low-GWP R-454B.
- Certified nominal SEER2 23, ENERGY STAR certified.
- AHRI cold-climate designated.
- Solid whole-home efficiency from one condenser.
Weaknesses
- DIY-marketed, but flared connections require professional vacuum and startup - not a full DIY kit.
- Heating falls off from the 47F rating in the cold.
- 26,000 BTU across four zones is modest per room; size each head.
Climate suitability
- Minimum heating ambient
- -13 F[1]
- Certified heating at 5F
- 18,200 BTU/hNon-Ducted Indoor Units[2]
- Rated heating at 17F
- 16,200 BTU/hNon-Ducted Indoor Units[2]
- Rated heating at 47F
- 26,000 BTU/hNon-Ducted Indoor Units[2]
Specifications
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- Manufacturer
- Blueridge
- Brand
- Blueridge
- Product line
- DM1 DIY
- Model number
- BDM1A27SC0
- Indoor unit model
- Depends on the indoor units you choose
- Outdoor unit model
- BDM1A27SC0
- Number of zones
- 4
- Max indoor units
- 4 units[1]
- Rated cooling capacity
- 26,000 BTU/hNon-Ducted Indoor Units[2]
- Rated heating capacity
- 26,000 BTU/hNon-Ducted Indoor Units[2]
- Voltage
- 230 V[1]
- MCA
- 23 A[1]
- Maximum fuse or breaker size
- 25 A[1]
- Breaker needed
- not published
- SEER2
- 23 SEER2Non-Ducted Indoor Units[2]
- EER2
- 12 EER2Non-Ducted Indoor Units[2]
- HSPF2 (Region 4)
- 9 HSPF2Non-Ducted Indoor Units[2]
- HSPF2 (Region 5)
- Varies by indoor-unit combination
- COP
- not published
- COP at 47F
- not published
- COP at 5F
- 2 COPNon-Ducted Indoor Units[2]
- Minimum outdoor heating temperature
- -13 F[1]
- Minimum outdoor cooling temperature
- -13 F[1]
- Maximum outdoor temperature
- 122 F[1]
- Indoor noise range
- Depends on the indoor units you choose
- Outdoor noise rating
- 61 dBA[1]
- Indoor weight
- Depends on the indoor units you choose
- Outdoor weight
- 140.21 lb[1]
- Refrigerant
- R-454B[2]
- Refrigerant charge
- not published
- Manufacturer coverage
- not published
- Line-set size
- (4) 1/4 in liquid / (4) 3/8 in suction
- Included line-set length
- Depends on the indoor units you choose
- Maximum line-set length
- 262.4 ft[1]
- Max line set per indoor
- 114.8 ft[1]
- Maximum elevation difference
- 49.2 ft[1]
- Max height between indoor units
- not published
- Wi-Fi support
- Depends on the indoor units you choose
- Energy Star status
- ENERGY STAR certified[3]
- AHRI certification number
- 216997633Non-Ducted Indoor Units[2]
- Warranty
- Base: 5 yr parts / 7 yr compressor (limited warranty terms). Score uses Base.. 5-year parts, 7-year compressor warranty.
- Install path
- DIY install
- Retail price
- No current listing
- Available retailers
- not published
- Manual links
- AHRI public detail 216997633, ENERGY STAR exact row 216997633, Blueridge DM1 DIY installation/user manual listed for BDM1A27SC0, Blueridge DM1 DIY official product/category evidence for BDM1A27SC0, Blueridge BDM1A27SC0 specification sheet listed by Alpine
- Specification sheet
- Blueridge BDM1A27SC0 specification sheet listed by Alpine
- Last sourced date
- Jul 29, 2026
Installation considerations
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- Liquid line
- (4) 1/4 in[1]
- Suction line
- (4) 3/8 in[1]
- Line connection type
- Quick-connect line connections[1]
- Precharged length
- 98.4 ft[1]
- Included line-set length
- Depends on the indoor units you choose
- Maximum line-set length
- 262.4 ft[1]
- Max line set per indoor
- 114.8 ft[1]
- Max height between indoor units
- not published
- Indoor dimensions
- Depends on the indoor units you choose
- Outdoor dimensions
- 37.24 x 31.89 x 16.14 in[1]
- Indoor weight
- Depends on the indoor units you choose
- Outdoor weight
- 140.21 lb[1]
- Drain size
- not published
Related systems and guides
- More Blueridge systems
- Samsung Free Joint Multi Premium 24k R-32 208/230V 4-Zone Mini-Split
- Klimaire KMIR 26k R-454B 208/230V 4-Zone Mini-Split
- Blueridge XS5 All Climate Plus 24k R-454B 208/230V Mini-Split
- Blueridge XM1 Core 27k R-454B 208/230V 4-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 multi-zone mini splits of 2026
- The best 4-zone mini splits of 2026
- How to size a multi-zone mini split
- Not every multi-zone condenser lets you mix head types
- How much does a multi-zone mini split cost?
- 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
- One room won't heat or cool on a multi-zone mini split
- Mini split not heating
- Mini split indoor unit freezing up
- Mini split lights blinking
- Mini split Wi-Fi not connecting
- Line sets
- Line-set covers
Frequently asked questions
- Can I install the Blueridge DM1 DIY 4-Zone 27,000 BTU R-454B 208/230V (BDM1A27SC0) myself, or do I need a pro?
- Blueridge DM1 DIY 4-Zone 27,000 BTU R-454B 208/230V (BDM1A27SC0) 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 DM1 DIY 4-Zone 27,000 BTU R-454B 208/230V (BDM1A27SC0) keep heating in a cold winter?
- The AHRI/ENERGY STAR certification lists 18,200 BTU/h of heating capacity at 5F. Rated heating operation extends down to -13 F. Certified heating efficiency is 9 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 DM1 DIY 4-Zone 27,000 BTU R-454B 208/230V (BDM1A27SC0) need?
- Published electrical requirements: 230 V voltage, 23 A minimum circuit ampacity, and 25 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 from the outdoor unit to one indoor head is 114.8 ft. The combined piping limit across all heads is 262.4 ft. The outdoor unit's factory charge covers up to 98.4 ft of line; longer runs need added refrigerant. Measure the planned routing before ordering.
- What warranty does the Blueridge DM1 DIY 4-Zone 27,000 BTU R-454B 208/230V (BDM1A27SC0) 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 XM3 All Climate Plus official product/category evidence for BXM3A36UC0Sourced - manufacturer product page
Covers brand.dealer_installation_policy, Frequency, Maximum breaker size, Maximum fuse size, Minimum circuit ampacity, Phase and more
- Air-Conditioning, Heating, and Refrigeration Institute: AHRI public detail 216997633Sourced - AHRI directory
Covers AHRI certification number, performance_spec.cold_climate_designation, Rated cooling capacity, COP at 5F, EER2, Rated heating capacity and more
- ENERGY STAR: ENERGY STAR exact row 216997633Sourced - Energy Star listing
Covers performance_spec.energy_star_cold_climate, Energy Star status
Last updated
Jul 29, 2026