SplitAtlas

Friedrich / Floating Air Pro X

Friedrich Floating Air Pro X 12k R-454B 208/230V Mini-Split

Certified capacity
12,000 BTU/h[2]
SEER2
21 SEER2[2]
Heating floor
-22 F[1]
Voltage
230 V[1]
Install path
Professional install

Step up to the 12,000 BTU Pro X and you get the same flagship deep-cold trick on a 230V circuit: 21 SEER2, 11.2 EER2, 10 HSPF2, R-454B. Heating rates 12,000 BTU at 47F, dips to 8,900 BTU at 17F, and climbs all the way back to 12,000 BTU at 5F. For a one-ton cold-climate zone, full-rated 5F heat is hard to beat.

1 zoneProfessional installCurrent

Refrigerant generation

R-454B - current-generation refrigerant

Need this installed?

Get installation quotes
Data completeness: 92%
Last sourced
Jul 27, 2026

SplitAtlas score

8.7 / 10

Methodology
Cooling efficiencyBelow average

(21.0 SEER2) among 12k systems

Heating efficiencyBelow average

(10.0 HSPF2) among 12k systems

Cold-weather performanceTop 10%

(100% heat retained at 5F; -22 F heating floor) among 12k systems

NoiseAbove average

(-42 dBA indoor min / 64 dBA outdoor) among 12k systems

Feature setTop 10%

(7 verified features) across the catalogue

Documentation & partsBelow average

(7 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

12,000BTU/h[2]

Rated heating

12,000BTU/h[2]

Buyer review snapshot

Install difficulty

Professional install
  • Electrical: 230V; MCA 12 A; breaker/fuse 20 A.
  • Line set: connection type not sourced; precharged 25 ft; max 130 ft.

Alternatives

Availability and price context

We could not verify a current retail price for this model. We could not find a published consumer price for this model when we last checked on 2026-07-27.

Source date

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

Review methodology

Strengths

  • Full recovery to 12,000 BTU at 5F, delivering complete rated capacity in the deepest cold.
  • Cold-climate and ENERGY STAR certified on R-454B, with 10 HSPF2 for solid seasonal heating efficiency.
  • Friedrich's dealer and warranty support gives this professionally installed unit long-term backing.

Weaknesses

  • The intermediate 17F dip to 8,900 BTU is the deepest point in the curve, so mid-cold output lags the endpoints.
  • 11.2 EER2 is respectable but not class-leading, and pricing comes only through a dealer quote.

Climate suitability

Minimum heating ambient
-22 F[1]
Rated heating at 5F
12,000 BTU/h[2]
Rated heating at 17F
8,900 BTU/h[2]
Rated heating at 47F
12,000 BTU/h[2]

Specifications

Show
Manufacturer
Friedrich
Brand
Friedrich
Product line
Floating Air Pro X
Model number
FAHFW12A3D indoor / FPHFR12A3D outdoor
Indoor unit model
FAHFW12A3D
Outdoor unit model
FPHFR12A3D
Number of zones
1
Max indoor units
not published
Rated cooling capacity
12,000 BTU/h[2]
Rated heating capacity
12,000 BTU/h[2]
Voltage
230 V[1]
MCA
12 A[1]
Maximum fuse or breaker size
20 A[1]
Breaker needed
not published
SEER2
21 SEER2[2]
EER2
11.2 EER2[2]
HSPF2 (Region 4)
10 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
-22 F[1]
Minimum outdoor cooling temperature
5 F[1]
Maximum outdoor temperature
125 F[1]
Indoor noise range
32-42 dB(A)[1]
Outdoor noise rating
64 dBA[1]
Indoor weight
22.05 lb[1]
Outdoor weight
79.4 lb[1]
Refrigerant
R-454B[2]
Refrigerant charge
38.1 oz[1]
Manufacturer coverage
not published
Line-set size
1/4 in liquid / 3/8 in suction
Included line-set length
Friedrich Floating Air professional-install sources publish required refrigerant line-set sizes and allowed min/max lengths, but no included line set.
Maximum line-set length
130 ft[1]
Max line set per indoor
not published
Maximum elevation difference
50 ft[1]
Max height between indoor units
not published
Wi-Fi support
supported[1]
Energy Star status
ENERGY STAR certified[3]
AHRI certification number
217269480[2]
Warranty
not published
Install path
Professional install
Retail price
We could not find a published consumer price for this model when we last checked on 2026-07-27.
Available retailers
not published
Manual links
AHRI public directory record 217269480, ENERGY STAR record 4016076 for FPHFR12A3D / FAHFW12A3D, HVACDirect exact Friedrich Floating Air t78 model search summary, Friedrich Floating Air manufacturer page snapshot, Friedrich Floating Air ductless 2026 brochure, Friedrich Floating Air Pro X single-zone wall-mounted submittal, Friedrich Floating Air ductless warranty
Specification sheet
Friedrich Floating Air ductless 2026 brochure
Last sourced date
Jul 27, 2026

Electrical requirements

Show
Voltage
230 V[1]
Voltage range
208/230V[1]
Phase
1[1]
Frequency
60 Hz[1]
MCA
12 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
4 x 14 AWG communication wire[1]

Installation considerations

Show
Liquid line
1/4 in[1]
Suction line
3/8 in[1]
Line connection type
not published
Precharged length
25 ft[1]
Included line-set length
Friedrich Floating Air professional-install sources publish required refrigerant line-set sizes and allowed min/max lengths, but no included line set.
Maximum line-set length
130 ft[1]
Max line set per indoor
not published
Max height between indoor units
not published
Indoor dimensions
33-7/8 x 11-2/8 x 8-4/8 in[1]
Outdoor dimensions
31-7/8 x 22-7/8 x 11 in[1]
Indoor weight
22.05 lb[1]
Outdoor weight
79.4 lb[1]
Drain size
not published

Frequently asked questions

Can I install the Friedrich Floating Air Pro X 12,000 BTU R-454B 208/230V (FAHFW12A3D / FPHFR12A3D) myself, or do I need a pro?
Friedrich Floating Air Pro X 12,000 BTU R-454B 208/230V (FAHFW12A3D / FPHFR12A3D) 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 Friedrich Floating Air Pro X 12,000 BTU R-454B 208/230V (FAHFW12A3D / FPHFR12A3D) keep heating in a cold winter?
The manufacturer publishes 12,000 BTU/h of heating output at 5F. Rated heating operation extends down to -22 F. Certified heating efficiency is 10 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 Friedrich Floating Air Pro X 12,000 BTU R-454B 208/230V (FAHFW12A3D / FPHFR12A3D) need?
Published electrical requirements: 230 V voltage, 12 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 130 ft, and the included line set comes pre-charged for 25 ft. Longer runs than the included set allows typically mean added refrigerant and a pro visit, so measure the planned routing before ordering.

Data sources

Show
  1. Friedrich Air Conditioning Co.: FAHFW24A3D & FPHFR24A3D Friedrich Floating Air Pro X specificationsSourced - manufacturer technical document

    Covers Frequency, Maximum breaker size, Maximum fuse size, Minimum circuit ampacity, Phase, Manufacturer wire notes and more

  2. AHRI certificate #217269480 - 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

  3. U.S. Environmental Protection Agency ENERGY STAR: ENERGY STAR record 4016076 for FPHFR12A3D / FAHFW12A3DSourced - Energy Star listing

    Covers Energy Star status

Last updated

Jul 27, 2026