Split Air Conditioners

US SEER 18–20 ETL Inverter Split Series (9K–15K)

ETL-listed 115V high-efficiency range, SEER 18–20, 9,000–15,000 BTU/h, R32

The high-efficiency tier of the North American wall-mounted range: three ETL-listed 115V models rated SEER 18–20, covering 9,000 to 15,000 BTU/h on R32 with Φ5 mm inner-grooved coils and an electronic expansion valve. The premium over baseline SEER 13–16 equipment is not a brand mark-up — it is a full DC inverter compressor, a larger heat exchange area with more coil rows, and heavier calibration of the control software. Set against a five to ten year operating period, that premium is typically recovered within three to five years through lower electricity cost, and high-SEER equipment also retails at a higher price point.

Type: Inverter, wall-mounted, high-efficiency
Function: Cooling and heating (reverse cycle)
Cooling Capacity: 9,000 – 15,000 BTU/h
Power Supply: 1Ph / 115V / 60Hz
EER / SEER: SEER 18 – 20
Certification: US ETL listed
Compressor: LAMDA098 rotary, full DC inverter
Expansion Device: Electronic expansion valve (EEV)
Coil Stack: Φ5 mm inner-grooved, 15U indoor, 12U–36U outdoor
Refrigerant: R32
Upgrade Payback: Estimated 3–5 years through lower running cost
Markets: North America
Parameter Status: Preliminary — full ratings confirmed at quotation

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Parameter chart

Full specification by model

Shared values are shown once across the series; model-specific figures are listed per column.

Specification	KFR-26GW/D2BP-FA (9,000 BTU)	KFR-35GW/N2BP-FA (12,000 BTU)	KFR-45GW/N2BP-NA (15,000 BTU)
Certification	US ETL listed
Type	Inverter, wall-mounted, high-efficiency
Function	Cooling and heating (reverse cycle)
Rated Power Supply	1Ph / 115V / 60Hz
SEER	18 – 20
Cooling Capacity (BTU/h)	9,000	12,000	15,000
Compressor	LAMDA098 rotary with electronic expansion valve (EEV)
Indoor Coil (Tube / Rows / Length)	Φ5 mm / 15U / 535 mm	Φ5 mm / 15U / 535 mm	Φ5 mm / 15U / 655 mm
Outdoor Coil (Tube / Rows / Length)	Φ5 mm / 12U / 765 mm	Φ5 mm / 24U / 640 mm	Φ5 mm / 36U / 640 mm
Indoor Unit Dimension	785 × 320 × 185 mm	785 × 320 × 185 mm	902 × 320 × 185 mm
Outdoor Unit Dimension	730 × 555 × 280 mm
Piping (Liquid + Gas, Length)	6 + 9 (2.85 m)	6 + 9 (2.85 m)	6 + 12 (2.85 m)
Refrigerant	R32

Key features

Configuration highlights

US ETL listed, 1Ph / 115V / 60Hz — three models at 9,000, 12,000 and 15,000 BTU/h
Full DC inverter compressor (LAMDA098), the configuration needed to hold seasonal efficiency across the load range rather than only at the rated point
Electronic expansion valve in place of a capillary tube for precise refrigerant flow control at part load — one of the key steps between SEER 16 and SEER 20
Larger heat exchange area: Φ5 mm inner-grooved coils with 15U indoor and 12U–36U outdoor stacks, which raises material cost but lowers condensing temperature
Seasonal efficiency is a composite figure, so the control software is calibrated across multiple temperature and load points — engineering effort that fixed-speed and low-inverter models do not carry
Market reference only: the step from SEER 16 to SEER 20 on a single wall-mounted unit is typically a $500–$1,500 equipment premium, with each extra SEER point between 18 and 20 adding an estimated $200–$600 — figures vary by specification and are not a quotation
The premium over baseline SEER 13–16 equipment is typically recovered within three to five years of lower electricity cost, and the saving continues across a five to ten year service life (indicative; depends on duty cycle and local tariffs)
High-SEER equipment also retails at a higher price point in North America, so this tier can support a stronger margin than the baseline range