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GE Appliances / GE Caliber

GE Appliances GE Caliber 11.5k R-454B 115V Mini-Split

Certified capacity
11,500 BTU/h[2]
SEER2
20 SEER2[2]
Heating floor
-4 F[1]
Voltage
115 V[1]
Install path
Professional install

The Caliber 12k in 115V is the larger plug-friendly retrofit head, a single-zone 11,500 BTU cooling heat pump on a standard 115V circuit using low-GWP R-454B. It rates 20 SEER2, 12 EER2, and 9.5 HSPF2, and it is ENERGY STAR certified. Note that this 115V variant is NOT cold-climate designated; it heats to 13,000 BTU at 47F and 9,100 BTU at 5F.

1 zoneProfessional installCurrent

Refrigerant generation

R-454B - current-generation refrigerant

Need this installed?

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Data completeness: 90%
Last sourced
Jul 27, 2026

SplitAtlas score

7.7 / 10

Methodology
Cooling efficiencyBelow average

(20.0 SEER2) among 12k systems

Heating efficiencyBelow average

(9.5 HSPF2) among 12k systems

Cold-weather performanceBelow average

(5F certified capacity: 70% of the 47F rating; -4 F heating floor) among 12k systems

NoiseBottom quartile

(32 dBA indoor min / 55 dBA outdoor) among 12k 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

11,500BTU/h[2]

Rated heating

13,000BTU/h[2]

Best-fit use cases

Best for a mid-size room, addition, or converted space in a moderate climate where 230V is not an option and cold-climate certification is not essential.

Buyer review snapshot

Install difficulty

Professional install
  • Electrical: 115V; MCA 18 A; breaker/fuse 25 A.
  • Line set: connection type not sourced; max 66 ft.

Alternatives

Availability and price context

This system needs a professional install, so its real price is an installed quote that depends on your home. We don't link to a listing for this exact model; get installation quotes to price it.

Source date

Model data sourced
Jul 27, 2026
Page reviewed
Jul 27, 2026
Source-backed records
3
Newest source retrieved
Jul 27, 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

  • Bigger plug-in capacity on a common 115V circuit, great for retrofits
  • ENERGY STAR certified with a full 12 EER2
  • Still musters 9,100 BTU of heat at 5F

Weaknesses

  • Not cold-climate designated, unlike the 230V Caliber 12k
  • 115V ceiling caps SEER2 at 20 and the head floor sits at 32 dB(A)

Climate suitability

Minimum heating ambient
-4 F[1]
Certified heating at 5F
9,100 BTU/h[2]
Rated heating at 17F
7,800 BTU/h[2]
Rated heating at 47F
13,000 BTU/h[2]

Specifications

Show
Manufacturer
GE Appliances
Brand
GE Appliances
Product line
GE Caliber
Model number
GS12WB1BEA indoor / 1G12CB1BEA outdoor
Indoor unit model
GS12WB1BEA
Outdoor unit model
1G12CB1BEA
Number of zones
1
Max indoor units
not published
Rated cooling capacity
11,500 BTU/h[2]
Rated heating capacity
13,000 BTU/h[2]
Voltage
115 V[1]
MCA
18 A[1]
Maximum fuse or breaker size
25 A[1]
Breaker needed
not published
SEER2
20 SEER2[2]
EER2
12 EER2[2]
HSPF2 (Region 4)
9.5 HSPF2[2]
HSPF2 (Region 5)
not published
COP
not published
COP at 47F
not published
COP at 5F
1.8 COP[2]
Minimum outdoor heating temperature
-4 F[1]
Minimum outdoor cooling temperature
not published
Maximum outdoor temperature
not published
Indoor noise range
46/44/43/39/32 dB(A)[1]
Outdoor noise rating
55 dBA[1]
Indoor weight
21.844 lb[1]
Outdoor weight
70.167 lb[1]
Refrigerant
R-454B[2]
Refrigerant charge
36.5 oz[1]
Manufacturer coverage
not published
Line-set size
1/4 in liquid / 3/8 in suction
Included line-set length
not published
Maximum line-set length
66 ft[1]
Max line set per indoor
not published
Maximum elevation difference
33 ft[1]
Max height between indoor units
not published
Wi-Fi support
not published
Energy Star status
ENERGY STAR certified[3]
AHRI certification number
215565289[2]
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 directory record 215565289, ENERGY STAR exact check 215565289, 1G12CB1BEA / GS12WB1BEA GE installation instructions, 1G12CB1BEA GE Appliances Air & Water product page, GS12WB1BEA GE Appliances Air & Water product page, 1G12CB1BEA / GS12WB1BEA GE specification guide or submittal, 1G12CB1BEA / GS12WB1BEA GE warranty
Specification sheet
1G12CB1BEA / GS12WB1BEA GE specification guide or submittal
Last sourced date
Jul 27, 2026

Electrical requirements

Show
Voltage
115 V[1]
Voltage range
115V[1]
Phase
1[1]
Frequency
60 Hz[1]
MCA
18 A[1]
Breaker needed
not published
Maximum breaker size
not published
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]
Line connection type
not published
Precharged length
not published
Included line-set length
not published
Maximum line-set length
66 ft[1]
Max line set per indoor
not published
Max height between indoor units
not published
Indoor dimensions
34.25 in W x 11.875 in H x 7.75 in D[1]
Outdoor dimensions
34 in W x 21.75 in H x 11 in D[1]
Indoor weight
21.844 lb[1]
Outdoor weight
70.167 lb[1]
Drain size
not published

Frequently asked questions

Can I install the GE Appliances Caliber 11,500 BTU R-454B 115V (GS12WB1BEA / 1G12CB1BEA) myself, or do I need a pro?
GE Appliances Caliber 11,500 BTU R-454B 115V (GS12WB1BEA / 1G12CB1BEA) 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 Caliber 11,500 BTU R-454B 115V (GS12WB1BEA / 1G12CB1BEA) keep heating in a cold winter?
The AHRI/ENERGY STAR certification lists 9,100 BTU/h of heating capacity at 5F. Rated heating operation extends down to -4 F. Certified heating efficiency is 9.5 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 GE Appliances Caliber 11,500 BTU R-454B 115V (GS12WB1BEA / 1G12CB1BEA) need?
Published electrical requirements: 115 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 is 66 ft. Measure the planned routing before ordering.
What warranty does the GE Appliances Caliber 11,500 BTU R-454B 115V (GS12WB1BEA / 1G12CB1BEA) 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: 1G12CB1BEA / GS12WB1BEA GE Appliances product pagesSourced - manufacturer product page

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

  2. Air-Conditioning, Heating, and Refrigeration Institute: AHRI Appendix M1 public detail for 1G12CB1BEA / GS12WB1BEASourced - AHRI directory

    Covers AHRI certification number, performance_spec.cold_climate_designation, Rated cooling capacity, COP at 5F, EER2, Rated heating capacity and more

  3. ENERGY STAR: ENERGY STAR exact row check for AHRI 215565289Sourced - Energy Star listing

    Covers Energy Star status

Last updated

Jul 27, 2026