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GE Appliances / Altitude Multi

GE Appliances Altitude Multi 24k R-454B 208/230V 3-Zone Mini-Split

Certified capacity
24,000 BTU/h[3]
SEER2
24 SEER2[3]
Heating floor
-4 F[2]
Voltage
230 V[1]
Install path
Professional install

The GE Altitude Multi 3-zone drives three rooms from one 208/230V outdoor unit on R-454B refrigerant, and it carries the highest certified rating in the GE multi-zone lineup: a nominal SEER2 of 24 (EER2 12, HSPF2 10.2), ENERGY STAR certified. It is not AHRI cold-climate designated, so treat it as an efficiency pick for mild-to-moderate winters rather than a hard-freeze unit.

That certified SEER2 is the all-non-ducted nominal; your real efficiency depends on the heads you attach. Heating is rated at 27000 BTU at 47F, 16400 at 17F, and 17600 at 5F.

GE Appliances is a Haier-owned brand and this is the same hardware as the Haier FlexFit Multi, installed by professional dealers and priced by quote.

3 zonesProfessional installCurrent

Refrigerant generation

R-454B - current-generation refrigerant

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Error Codes
GE Appliances Altitude Multi 3-Zone 24,000 BTU R-454B 208/230V (3G24AD2BEA) mini-split heat pump outdoor condenser

Image: GE Appliances

Data completeness: 97%
Last sourced
Jul 29, 2026

SplitAtlas score

8.4 / 10

Methodology
Cooling efficiencyTop quartile

(24.0 SEER2) among 24k systems

Heating efficiencyAbove average

(10.2 HSPF2) among 24k systems

Cold-weather performanceBottom quartile

(5F certified capacity: 65.2% of the 47F rating; -4 F heating floor) among 24k systems

WarrantyAbove average

(10 yr parts, no separate compressor term) across the catalogue

Feature setAbove average

(6 verified features) across the catalogue

Documentation & partsBelow average

(8 manuals; spec sheet) across the catalogue

Not evaluated

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

    professional install - DIY-accessibility not applicable

  • Price-to-value — not evaluatedN/A

    This is a professionally installed, quote-only system, so we can't score its price. Get an installed quote to compare real cost.

    Get a quote

Key ratings

Rated cooling

24,000BTU/hNon-Ducted Indoor Units[3]

Rated heating

27,000BTU/hNon-Ducted Indoor Units[3]

Buyer review snapshot

Best for / skip if

Best for

  • 3-zone projects in the 24k outdoor capacity class.
  • High-efficiency shortlists; SEER2 is 24.

Install difficulty

Complex professional install
  • Electrical: 230V; MCA 18 A; breaker/fuse 25 A.
  • Line set: connection type not sourced; precharged 100 ft; max 197 ft.
  • 3-zone condenser; indoor-head matching and branch layout are part of the job.

Alternatives

Availability and price context

This GE Appliances multi-zone system is sold through dealers, so its price comes as an installed quote that depends on your home. Get installation quotes to price it.

Source date

Model data sourced
Jul 29, 2026
Page reviewed
Jul 29, 2026
Source-backed records
4
Newest source retrieved
Jul 29, 2026

Warranty tiers

Base
5 yr parts / no separate compressor term - limited parts warranty
Registered
10 yr parts / no separate compressor term - registered limited parts warranty

The score uses Registered. Additional published terms are shown for reference and not counted in the score.

Review methodology

Strengths

  • Three zones from one outdoor unit, with the line's top certified SEER2 of 24.
  • ENERGY STAR certified, EER2 12 / HSPF2 10.2 on current R-454B refrigerant.
  • One 208/230V circuit for three rooms, backed by GE's national service network.

Weaknesses

  • Not AHRI cold-climate designated - not the pick for hard-freeze winters.
  • Professional dealer installation required; not DIY, and priced by quote only.
  • Three-zone capacity is shared; size to the condenser, not three full rooms.

Climate suitability

Minimum heating ambient
-4 F[2]
Certified heating at 5F
17,600 BTU/hNon-Ducted Indoor Units[3]
Rated heating at 17F
16,400 BTU/hNon-Ducted Indoor Units[3]
Rated heating at 47F
27,000 BTU/hNon-Ducted Indoor Units[3]

Specifications

Show
Manufacturer
GE Appliances
Brand
GE Appliances
Product line
Altitude Multi
Model number
3G24AD2BEA
Indoor unit model
Depends on the indoor units you choose
Outdoor unit model
3G24AD2BEA
Number of zones
3
Max indoor units
3 units[1]
Rated cooling capacity
24,000 BTU/hNon-Ducted Indoor Units[3]
Rated heating capacity
27,000 BTU/hNon-Ducted Indoor Units[3]
Voltage
230 V[1]
MCA
18 A[1]
Maximum fuse or breaker size
25 A[1]
Breaker needed
not published
SEER2
24 SEER2Non-Ducted Indoor Units[3]
EER2
12 EER2Non-Ducted Indoor Units[3]
HSPF2 (Region 4)
10.2 HSPF2Non-Ducted Indoor Units[3]
HSPF2 (Region 5)
Varies by indoor-unit combination
COP
not published
COP at 47F
not published
COP at 5F
1.8 COPNon-Ducted Indoor Units[3]
Minimum outdoor heating temperature
-4 F[2]
Minimum outdoor cooling temperature
14 F[2]
Maximum outdoor temperature
115 F[2]
Indoor noise range
Depends on the indoor units you choose
Outdoor noise rating
53 dBA[1]
Indoor weight
Depends on the indoor units you choose
Outdoor weight
112 lb[1]
Refrigerant
R-454BNon-Ducted Indoor Units[3]
Refrigerant charge
60 oz[1]
Manufacturer coverage
not published
Line-set size
1/4 in liquid / 3/8 in; 1/2 in adapter listed suction
Included line-set length
Depends on the indoor units you choose
Maximum line-set length
197 ft[1]
Max line set per indoor
82 ft[2]
Maximum elevation difference
50 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[4]
AHRI certification number
217009762Non-Ducted Indoor Units[3]
Warranty
Base: 5 yr parts / no separate compressor term (limited parts warranty); Registered: 10 yr parts / no separate compressor term (registered limited parts warranty). Score uses Registered.. 5-year limited parts warranty; 10-year registered limited parts warranty with registration.
Install path
Professional install
Retail price
Installed quote only
Available retailers
not published
Manual links
AHRI public detail for 3G24AD2BEA, ENERGY STAR exact AHRI rows for 3G24AD2BEA, 3G24AD2BEA GE Appliances installation instructions, 3G24AD2BEA GE Appliances Air & Water product page, 3G24AD2BEA GE Appliances specification guide, 3G24AD2BEA GE Appliances Altitude Multi submittal, 3G24AD2BEA GE Appliances warranty
Specification sheet
3G24AD2BEA GE Appliances specification guide
Last sourced date
Jul 29, 2026

Electrical requirements

Show
Voltage
230 V[1]
Voltage range
208/230V[1]
Phase
1[1]
Frequency
60 Hz[1]
MCA
18 A[1]
Breaker needed
not published
Maximum breaker size
25 A[1]
Maximum fuse size
25 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
3/8 in; 1/2 in adapter listed[2]
Line connection type
not published
Precharged length
100 ft[2]
Included line-set length
Depends on the indoor units you choose
Maximum line-set length
197 ft[1]
Max line set per indoor
82 ft[2]
Max height between indoor units
not published
Indoor dimensions
Depends on the indoor units you choose
Outdoor dimensions
36 x 14.5 x 27.5625 in[1]
Indoor weight
Depends on the indoor units you choose
Outdoor weight
112 lb[1]
Drain size
not published

Related systems and guides

Frequently asked questions

Can I install the GE Appliances Altitude Multi 3-Zone 24,000 BTU R-454B 208/230V (3G24AD2BEA) myself, or do I need a pro?
GE Appliances Altitude Multi 3-Zone 24,000 BTU R-454B 208/230V (3G24AD2BEA) 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 GE Appliances Altitude Multi 3-Zone 24,000 BTU R-454B 208/230V (3G24AD2BEA) keep heating in a cold winter?
The AHRI/ENERGY STAR certification lists 17,600 BTU/h of heating capacity at 5F. Rated heating operation extends down to -4 F. Certified heating efficiency is 10.2 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 GE Appliances Altitude Multi 3-Zone 24,000 BTU R-454B 208/230V (3G24AD2BEA) need?
Published electrical requirements: 230 V voltage, 18 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 82 ft. The combined piping limit across all heads is 197 ft. The outdoor unit's factory charge covers up to 100 ft of line; longer runs need added refrigerant. Measure the planned routing before ordering.
What warranty does the GE Appliances Altitude Multi 3-Zone 24,000 BTU R-454B 208/230V (3G24AD2BEA) carry?
The manufacturer publishes these warranty tiers: Base: 5 yr parts / no separate compressor term (limited parts warranty); Registered: 10 yr parts / no separate compressor term (registered limited parts warranty). Score uses Registered.. Registration requirements and proof of qualified installation commonly affect coverage, so read the warranty terms before install day.

Data sources

Show
  1. GE Appliances Air & Water: 3G24AD2BEA GE Appliances Altitude Multi product pageSourced - manufacturer product page

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

  2. GE Appliances Air & Water: 3G24AD2BEA GE Appliances Altitude Multi submittalSourced - manufacturer technical document

    Covers electrical_spec.guaranteed_voltage_range, Precharged length, Suction line size, Max line set per indoor, Minimum outdoor cooling temperature, Minimum outdoor heating temperature and more

  3. Air-Conditioning, Heating, and Refrigeration Institute: AHRI Appendix M1 public detail for 3G24AD2BEASourced - 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 product database exact AHRI rows for 3G24AD2BEASourced - secondary source

    Covers performance_spec.energy_star_cold_climate, Energy Star status

Last updated

Jul 29, 2026