Klimaire KSIH Hyper Heat Series — High Wall-Mounted Indoor Unit

KSIH Series Hyper Heat Efficiency

  • Complete Temperature Control

    Each indoor unit operates independently,
allowing personalized settings in every room
for total comfort.

  • Available Capacities
    • 9,000 BTU - 24,000 BTU

The Klimaire KSIH high-wall indoor unit is designed to deliver quiet, efficient, room-by-room comfort in a sleek, modern form factor for ductless applications. Its slim profile blends seamlessly into residential and light commercial interiors while providing reliable, consistent temperature control across a wide range of operating conditions.

Ideal For: High-wall installations in bedrooms, living rooms, apartments, offices, small retail spaces, and open living areas where flexible placement, ductless efficiency, and dependable year-round comfort are required without the need for ductwork.

Wi-Fi Connectivity

Available using the optional Klimaire Wi-Fi Dongle (US-OSK109) or the KJR-120N (X6W)/BGEF wired controller with built-in Wi-Fi, allowing system control through the NetHome Plus App and compatibility with Amazon Alexa and Google Home.

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Advanced Air Quality (IAQ)

Exceptional multi-stage filtration helps capture dust, neutralize bacteria, and reduce odors—keeping indoor air cleaner and fresher.

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Anti-Corrosive Golden Fin

Protective Golden Fin coating helps resist corrosion and extends coil life, supporting long-term durability and reliable performance in demanding environments.

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Smart Design for a Smoother Install

Flexible mounting plate allows refrigerant piping to exit left, right, or rear — simplifying routing and improving fit in tight spaces. Cleaner layout. Faster installation.

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Features

Energy Saving

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Comfort

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Performance

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Convenience

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Reliability

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Included Accessories

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Wireless Remote Control

Easily control your comfort with the included RG10F8(2)/BGEFU1 handheld wireless remote (with wall bracket), providing simple temperature control and convenient local operation.

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Silver Ion & Activated Carbon Filter Set

Helps capture dust and particles while supporting odor reduction and improved indoor air quality. Installs behind the front mesh filter.

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Washable Front Mesh Air Filter Set

Includes two reusable front mesh filters installed under the front panel of the unit to capture dust and particles from incoming air.

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18 ft Communication Cable

16 AWG × 4 conductors Stranded, unshielded inter-connection cable designed to connect the indoor and outdoor units. Ensures reliable communication and proper system operation.

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Brass Flare Nuts

Included brass flare nuts for refrigerant line connections. Used during installation to ensure proper line set fitment and a secure, leak-resistant connection

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Optimized Wall Mounting Bracket

Engineered for accurate alignment and flexible piping routes, helping simplify installation and ensure a secure wall fit.

  • Air Flow Volume (Turbo/Hi/Mi/Lo/Si)
  • Cooling Capacity
  • Heating Capacity
  • Liquid / Gas Size
  • Minimum Circuit Ampacity (MCA)
  • Indoor Net / Gross Weight
  • package dimension w x d x h
  • Power Supply
  • Refrigerant Type
  • room temperature cooling heating
  • Sound Levels (Turbo/Hi/Mi/Lo/Si )
  • Unit Dimensions (W × D × H)
  • Zone Capacity
Productvariantdrop
6,000 BTU Klimaire KSIH Hyper Heat Series — High Wall-Mounted Indoor Unit - 208-230V
4th Generation
Model Number: KSIH006-H225-IW-4
294.3 / 235.4 / 176.6 / 141.3 / N/A Cfm
6,000 BTU
7,000 BTU
1/4" x 3/8"
3 A
19.0 / 24.3 lbs
31.1 x 10.7 x 14.6 in
208/230V / 1Ph / 60Hz
R-454B
60ºF - 90ºF / 32ºF - 86ºF
42 / 37 / 32 / 24 / 20 dB(A)
28.2 x 5.9 x 11.5 in
Single-Zone and Multi-Zone Compatible
Productvariantdrop
9,000 BTU Klimaire KSIH Hyper Heat Series — High Wall-Mounted Indoor Unit - 208-230V
4th Generation
Model Number: KSIH009-H225-IW-4
382.6 / 294.3 / 194.2 / 153.0 / N/A Cfm
9,000 BTU
12,000 BTU
1/4" x 3/8"
3 A
19.0 / 24.3 lbs
34.5 x 11.2 x 15 in
208/230V / 1Ph / 60Hz
R-454B
60ºF - 90ºF / 32ºF - 86ºF
45.5 / 42 / 36 / 21 / 19.5 dB(A)
31.6 x 7.9 x 11.6 in
Single-Zone and Multi-Zone Compatible
Productvariantdrop
12,000 BTU Klimaire KSIH Hyper Heat Series — High Wall-Mounted Indoor Unit - 208-230V
4th Generation
Model Number: KSIH012-H222-IW-4
382.6 / 294.3 / 194.2 / 153.0 / N/A Cfm
12,000 BTU
12,000 BTU
1/4" x 3/8"
3 A
19.0 / 24.3 lbs
34.5 x 11.2 x 15 in
208/230V / 1Ph / 60Hz
R-454B
60ºF - 90ºF / 32ºF - 86ºF
46 / 43 / 37 / 20 / 19 dB(A)
31.6 x 7.9 x 11.6 in
Single-Zone and Multi-Zone Compatible
Productvariantdrop
18,000 BTU Klimaire KSIH Hyper Heat Series — High Wall-Mounted Indoor Unit - 208-230V
4th Generation
Model Number: KSIH018-H220-IW-4
759.3 / 500.3 / 441.4 / 370.8 / N/A Cfm
18,000 BTU
18,000 BTU
1/4" x 1/2"
3 A
30.4 / 39.7 lbs
45.5 x 16.3 x 12.4 in
208/230V / 1Ph / 60Hz
R-454B
60ºF - 90ºF / 32ºF - 86ºF
54 / 45 / 40 / 26 / 20 dB(A)
42.6 x 9.2 x 13.3 in
Single-Zone and Multi-Zone Compatible
Productvariantdrop
24,000 BTU Klimaire KSIH Hyper Heat Series — High Wall-Mounted Indoor Unit - 208-230V
4th Generation
Model Number: KSIH024-H220-IW-4
759.3 / 588.6 / 459.1 / 382.6 / N/A cfm
23,000 BTU
26,000 BTU
3/8" x 5/8"
3 A
30.9 / 40.6 lbs
45.5 x 16.3 x 12.4 in
208/230V / 1Ph / 60Hz
R-454B
60ºF - 90ºF / 32ºF - 86ºF
54 / 48.5 / 43.5 / 27.5 / 20.5 dB(A)
42.6 x 9.2 x 13.3 in
Single-Zone and Multi-Zone Compatible
ETL
Energy Star
AHRI
Smart DC Inverter
Eco Friendly
7 year compressor warranty
5 year parts warranty