Klimaire / Klimaire KIWE-KOIE
Klimaire 17k R-32 230V Mini-Split
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.
Refrigerant generation
R-32 - current-generation refrigerant
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Image: Klimaire
- Last sourced
- Jul 26, 2026
SplitAtlas score
6.9 / 10
(17.0 SEER2) among 18k systems
(8.5 HSPF2) among 18k systems
(5F certified capacity: 57.6% of the 47F rating; 5 F heating floor) among 18k systems
(32 dBA indoor min / 57 dBA outdoor) among 18k systems
(5 yr parts / 7 yr compressor) across the catalogue
(3 verified features) across the catalogue
(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.
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Key ratings
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
- 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
- Blueridge XS6 Max Efficiency 18,000 BTU R-454B 208/230V (BXS6A18WM0 / BXS6A18UC0)
9.2 score / 18k / SEER2 25.6 / -22 F heating floor / 230V
Exact destination at Alpine Home Air: $2,359.00, checked Jul 24, 2026
- Senville ELITE 18,000 BTU R-454B 208/230V (SENE-18EL-IHH / SENE-18EL-OH)
9.0 score / 18k / SEER2 25.6 / -22 F heating floor / 187-253V
Exact destination at Senville: $1,899.99, checked Jul 24, 2026
- ACiQ Standard 18,000 BTU R-454B 208/230V (ACIQ-18WS-HP230C / ACIQ-18ZS-HP230C)
9.0 score / 18k / SEER2 24 / -13 F heating floor / 230V
Exact destination at HVACDirect: $1,299.99, checked Jul 26, 2026
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 26, 2026
- Page reviewed
- Jul 26, 2026
- Source-backed records
- 4
- Newest source retrieved
- Jul 26, 2026
Warranty tiers
- Base
- 5 yr parts / 7 yr compressor - published warranty terms
The score uses Base. Additional published terms are shown for reference and not counted in the score.
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]
- Certified 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
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- 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
- Base: 5 yr parts / 7 yr compressor (published warranty terms). Score uses Base.. 7-year compressor / 5-year parts warranty
- Install path
- Professional install
- Retail price
- Installed quote only
- 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, Klimaire warranty information
- Specification sheet
- not published
- Last sourced date
- Jul 26, 2026
Electrical requirements
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Installation considerations
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- 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
- More Klimaire systems
- GE Appliances GE Endure 17k R-454B 208/230V Mini-Split
- Pioneer Diamante Essenza 17k R-32 208/230V Mini-Split
- Klimaire DIY 12k R-454B 230V Mini-Split
- Klimaire DIY 18k R-454B 230V Mini-Split
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- Line sets
- Line-set covers
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 AHRI/ENERGY STAR certification lists 9,500 BTU/h of heating capacity 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. The outdoor unit's factory charge covers up to 25 ft of line; longer runs need added refrigerant. A 16 ft line set is included. Longer runs than the included set allows require a different line set, 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: Base: 5 yr parts / 7 yr compressor (published warranty terms). Score uses Base.. Registration requirements and proof of qualified installation commonly affect coverage, so read the warranty terms before install day.
Data sources
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- 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
- 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
- ENERGY STAR: ENERGY STAR exact row check for AHRI 218067078Sourced - Energy Star listing
Covers Energy Star status
- Klimaire Products Inc.: Klimaire Warranty Information - DIY Mini-Split SystemsSourced - manufacturer product page
Covers Legacy compressor warranty value, Legacy warranty value, Base compressor warranty, Base warranty conditions, Base parts warranty, Warranty notes
Last updated
Jul 26, 2026