SplitAtlas

Klimaire / Klimaire KIWE-KOIE

Klimaire 17k R-32 230V Mini-Split

Certified capacity
17,000 BTU/h[2]
SEER2
17 SEER2[2]
Heating floor
5 F[1]
Voltage
230 V[1]
Install path
Professional install

Stepping up to 18,000 BTU, this KIWE/KOIE unit keeps the value formula: SEER2 17, EER2 9.5, HSPF2 8.5, and R-32 on a 230V circuit. It heats to 16,500 BTU at 47F, 10,000 BTU at 17F, and 9,500 BTU at 5F. This is a professionally installed workhorse for a larger room, from a Midea-built brand sold through the distributor channel.

1 zoneProfessional installCurrent

Refrigerant generation

R-32 - current-generation refrigerant

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Error Codes
Klimaire KIWE-KOIE 17,000 BTU R-32 208-230V (KIWE18H2-31X / KOIE18H2-31X) mini-split heat pump indoor wall unit and outdoor condenser kit

Image: Klimaire

Data completeness: 95%
Last sourced
Jul 26, 2026

SplitAtlas score

7.2 / 10

Methodology
Cooling efficiencyBottom quartile

(17.0 SEER2) among 18k systems

Heating efficiencyBottom quartile

(8.5 HSPF2) among 18k systems

Cold-weather performanceBottom quartile

(57.6% heat retained at 5F; 5 F heating floor) among 18k systems

NoiseTop 10%

(-49 dBA indoor min / 57 dBA outdoor) among 18k systems

WarrantyBelow average

(5 yr parts / 7 yr compressor) across the catalogue

Feature setBelow average

(3 verified features) across the catalogue

Documentation & partsBottom quartile

(6 manuals) 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

17,000BTU/h[2]

Rated heating

16,500BTU/h[2]

Best-fit use cases

Ideal for a large living area or converted space in a moderate climate where a pro sizes and installs it on a dedicated 230V line.

Buyer review snapshot

Best for / skip if

Skip if

  • Top-efficiency cooling is the priority; SEER2 is 17.

Install difficulty

Professional install
  • Electrical: 230V; MCA 12 A; breaker/fuse 20 A.
  • Line set: connection type not sourced; precharged 25 ft; included 16 ft; max 49 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 2026-07-26.

Source date

Model data sourced
Jul 26, 2026
Page reviewed
Jul 26, 2026
Source-backed records
4
Newest source retrieved
Jul 26, 2026

Warranty tiers

Warranty: 5 years parts and 7 years compressor as standard.

Review methodology

Strengths

  • The 18K capacity covers a great room, open kitchen, or large master without oversizing to the 24K class.
  • Heat output stays sensible through the middle of the curve, holding 10,000 BTU at 17F.
  • R-32 refrigerant and value-tier pricing make it an efficient dollar-per-BTU pick for its size.

Weaknesses

  • Not cold-climate designated, so plan for supplemental heat if winters routinely dip toward and below 5F.
  • Not ENERGY STAR certified, and Klimaire's service footprint is smaller than Mitsubishi- or Daikin-level coverage.

Climate suitability

Minimum heating ambient
5 F[1]
Rated heating at 5F
9,500 BTU/h[2]
Rated heating at 17F
10,000 BTU/h[2]
Rated heating at 47F
16,500 BTU/h[2]

Specifications

Show
Manufacturer
Klimaire
Brand
Klimaire
Product line
Klimaire KIWE-KOIE
Model number
KIWE18H2-31X indoor / KOIE18H2-31X outdoor
Indoor unit model
KIWE18H2-31X
Outdoor unit model
KOIE18H2-31X
Number of zones
1
Max indoor units
not published
Rated cooling capacity
17,000 BTU/h[2]
Rated heating capacity
16,500 BTU/h[2]
Voltage
230 V[1]
MCA
12 A[1]
Maximum fuse or breaker size
20 A[1]
Breaker needed
not published
SEER2
17 SEER2[2]
EER2
9.5 EER2[2]
HSPF2 (Region 4)
8.5 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
5 F[1]
Minimum outdoor cooling temperature
54 F[1]
Maximum outdoor temperature
122 F[1]
Indoor noise range
32-49 dB(A)[1]
Outdoor noise rating
57 dBA[1]
Indoor weight
20.9 lb[1]
Outdoor weight
52.9 lb[1]
Refrigerant
R-32[2]
Refrigerant charge
not published
Manufacturer coverage
1,000 sq ft[1]
Line-set size
1/4 in liquid / 3/8 in suction
Included line-set length
16 ft[1]
Maximum line-set length
49 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
supported[1]
Energy Star status
Not ENERGY STAR certified[3]
AHRI certification number
218067078[2]
Warranty
Standard: 5 yr parts / 7 yr compressor (published warranty terms). 7-year compressor / 5-year parts warranty
Install path
Professional install
Retail price
We could not find a published consumer price for this model when we last checked on 2026-07-26.
Available retailers
not published
Manual links
AHRI public directory record 218067078, ENERGY STAR exact check 218067078, Klimaire mini-split wall-mount collection, 18,000 BTU KIWE-KOIE Series 17 SEER2 High Wall-Mounted Heat Pump Mini Split Air Conditioner - R-32 / 208-230V, HVACDirect exact Klimaire offer check klimaire-kiwe-koie-18k-r32-230v, Klimaire warranty information
Specification sheet
not published
Last sourced date
Jul 26, 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
16 AWG, 4-conductor connection wiring[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
16 ft[1]
Maximum line-set length
49 ft[1]
Max line set per indoor
not published
Max height between indoor units
not published
Indoor dimensions
35.83 x 11.57 x 8.11 in[1]
Outdoor dimensions
31.89 x 12.01 x 21.61 in[1]
Indoor weight
20.9 lb[1]
Outdoor weight
52.9 lb[1]
Drain size
not published

Related systems and guides

Frequently asked questions

Can I install the Klimaire KIWE-KOIE 17,000 BTU R-32 208-230V (KIWE18H2-31X / KOIE18H2-31X) myself, or do I need a pro?
Klimaire KIWE-KOIE 17,000 BTU R-32 208-230V (KIWE18H2-31X / KOIE18H2-31X) 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 Klimaire KIWE-KOIE 17,000 BTU R-32 208-230V (KIWE18H2-31X / KOIE18H2-31X) keep heating in a cold winter?
The manufacturer publishes 9,500 BTU/h of heating output at 5F. Rated heating operation extends down to 5 F. Certified heating efficiency is 8.5 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 Klimaire KIWE-KOIE 17,000 BTU R-32 208-230V (KIWE18H2-31X / KOIE18H2-31X) 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 49 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.
What warranty does the Klimaire KIWE-KOIE 17,000 BTU R-32 208-230V (KIWE18H2-31X / KOIE18H2-31X) carry?
The manufacturer publishes these warranty tiers: Standard: 5 yr parts / 7 yr compressor (published warranty terms). Registration requirements and proof of qualified installation commonly affect coverage, so read the warranty terms before install day.

Data sources

Show
  1. Klimaire Products Inc.: 36,000 BTU KIWE-KOIE Series 17 SEER2 High Wall-Mounted Heat Pump Mini Split Air Conditioner - R-32 / 208-230VSourced - manufacturer product page

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

  2. Air-Conditioning, Heating, and Refrigeration Institute: AHRI Appendix M1 public detail for KOIE18H2-31X / KIWE18H2-31XSourced - AHRI directory

    Covers AHRI certification number, Rated cooling capacity, COP at 5F, EER2, Rated heating capacity, HSPF2 (Region 4) and more

  3. ENERGY STAR: ENERGY STAR exact row check for AHRI 218067078Sourced - Energy Star listing

    Covers Energy Star status

  4. Klimaire Products Inc.: Klimaire Warranty Information - DIY Mini-Split SystemsSourced - manufacturer product page

    Covers Legacy compressor warranty value, Legacy warranty value, Standard compressor warranty, Standard warranty conditions, Standard parts warranty, Warranty notes

Last updated

Jul 26, 2026