Klimaire / Klimaire KIWQ-KOIQ DIY
Klimaire DIY 9k R-454B 115V Mini-Split
This 9,000 BTU head opens Klimaire's standout KIWQ/KOIQ DIY line, built around precharged quick-connect line sets that a capable homeowner can install without a vacuum pump or gauges. It's efficient and cold-tough: SEER2 23, EER2 13, HSPF2 9.5, R-454B refrigerant, 115V power, and AHRI cold-climate designation. Heating runs 10,000 BTU at 47F, holds 8,000 BTU at 17F, and stays at 7,100 BTU at 5F.
Refrigerant generation
R-454B - current-generation refrigerant
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Image: Klimaire
- Last sourced
- Aug 17, 2026
SplitAtlas score
8.1 / 10
(23.0 SEER2) among <=9k systems
(9.5 HSPF2) among <=9k systems
(5F certified capacity: 71% of the 47F rating; -13 F heating floor) among <=9k systems
(30 dBA indoor min / 50 dBA outdoor) among <=9k systems
(5 yr parts / 7 yr compressor) across the catalogue
(DIY-marketed; 25 ft precharged; 25 ft included line set) across the catalogue
(8 verified features) across the catalogue
(9 manuals; 51 error-code rows) across the catalogue
Key ratings
Best-fit use cases
A near-ideal DIY pick for a bedroom, home office, or small addition in a cold climate where a 115V outlet is nearby and you want to skip installer labor.
Where this system ranks
Buyer review snapshot
Install difficulty
- Electrical: 115V; MCA 15 A; breaker/fuse 20 A.
- Line set: Quick-connect line connections; precharged 25 ft; included 25 ft; max 49 ft.
Alternatives
- Blueridge XS6 Max Efficiency 9,000 BTU R-454B 208/230V (BXS6A09WM0 / BXS6A09UC0)
8.9 score / 9k / SEER2 33.3 / -22 F heating floor / 230V
Exact destination at Alpine Home Air: $1,689.00, checked Jul 24, 2026
- Senville ELITE 9,000 BTU R-454B 208/230V (SENE-09EL-IHH / SENE-09EL-OH)
8.9 score / 9k / SEER2 33.3 / -22 F heating floor / 187-253V
Exact destination at Senville: $1,599.99, checked Jul 24, 2026
- ACiQ Extreme 9,000 BTU R-454B 208/230V (ACIQ-09W-HH-MD / ACIQ-09ZPL-HP230C)
8.9 score / 9k / SEER2 27.4 / -22 F heating floor / 230V
Exact destination at HVACDirect: $1,499.99, checked Jul 26, 2026
Availability and price context
- Sold at Amazon. Open the listing for today's price and stock.
Source date
- Model data sourced
- Aug 17, 2026
- Page reviewed
- Jul 22, 2026
- Source-backed records
- 6
- Newest source retrieved
- Aug 17, 2026
Warranty tiers
- Base
- 3 yr parts - base residential coverage
- Registered
- 5 yr parts / 7 yr compressor - registered residential use within 45 days
The score uses Registered. Additional published terms are shown for reference and not counted in the score.
Strengths
- The DIY quick-connect line set is the real draw here: no pump, no gauges and a 115V plug-in circuit.
- Cold-climate designated and it shows, holding 8,000 BTU at 17F and 7,100 BTU at 5F with only a gentle fade from 47F.
- SEER2 23 on low-GWP R-454B is premium-tier efficiency at a value-brand price.
Weaknesses
- Not ENERGY STAR certified despite the strong efficiency, and Klimaire's dealer support is thinner than premium names.
- Self-install shifts commissioning and any warranty legwork onto you, and R-454B is a mildly flammable A2L that calls for careful line-set routing.
Climate suitability
- Minimum heating ambient
- -13 F[1]
- Certified heating at 5F
- 7,100 BTU/h[3]
- Rated heating at 17F
- 8,000 BTU/h[3]
- Rated heating at 47F
- 10,000 BTU/h[1]
Specifications
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- Manufacturer
- Klimaire
- Brand
- Klimaire
- Product line
- Klimaire KIWQ-KOIQ DIY
- Model number
- KIWQ09H1-45T indoor / KOIQ09H1-45T outdoor
- Indoor unit model
- KIWQ09H1-45T
- Outdoor unit model
- KOIQ09H1-45T
- Number of zones
- 1
- Max indoor units
- not published
- Rated cooling capacity
- 9,000 BTU/h[1]
- Rated heating capacity
- 10,000 BTU/h[1]
- Voltage
- 115 V[1]
- MCA
- 15 A[1]
- Maximum fuse or breaker size
- 20 A[1]
- Breaker needed
- not published
- SEER2
- 23 SEER2[3]manufacturer published: 24 SEER2
- EER2
- 13 EER2[3]
- HSPF2 (Region 4)
- 9.5 HSPF2[3]manufacturer published: 10 HSPF2
- HSPF2 (Region 5)
- not published
- COP
- not published
- COP at 47F
- not published
- COP at 5F
- 1.9 COP[3]
- Minimum outdoor heating temperature
- -13 F[1]
- Minimum outdoor cooling temperature
- 5 F[1]
- Maximum outdoor temperature
- 131 F[1]
- Indoor noise range
- 30-43 dB(A)[1]
- Outdoor noise rating
- 50 dBA[1]
- Indoor weight
- 20.7 lb[1]
- Outdoor weight
- 53.6 lb[1]
- Refrigerant
- R-454B[1]
- Refrigerant charge
- not published
- Manufacturer coverage
- 450 sq ft[1]
- Line-set size
- 1/4 in liquid / 3/8 in suction
- Included line-set length
- 25 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[4]
- AHRI certification number
- 218067067[3]
- Warranty
- Base: 3 yr parts (base residential coverage); Registered: 5 yr parts / 7 yr compressor (registered residential use within 45 days). Score uses Registered.. DIY Mini-Split Systems: 5 years parts / 7 years compressor when registered for residential use within 45 days; base coverage is 3 years parts; commercial use is 3 years parts and compressor.
- Install path
- DIY install
- Retail price
- not published
- Available retailers
- Amazon
- Manual links
- AHRI public directory record 218067067, Klimaire KIWQ-KOIQ DIY brochure, ENERGY STAR exact check 218067067, KIWQ/KOIQ 2026 Installation and Users Manual, Klimaire mini-split wall-mount collection, 9,000 BTU KIWQ-KOIQ DIY Series Do-It-Yourself High Wall-Mounted Ductless Mini Split Heat Pump Air Conditioner with E-Z Kuick Connect Kit, Klimaire KIWQ-KOIQ DIY product page quick-connect documentation, Klimaire warranty information
- Specification sheet
- not published
- Last sourced date
- Aug 17, 2026
Retail purchase context
Some retailer links may earn us a commission at no extra cost; paid relationships never change scores or recommendations. Affiliate disclosure
Paid link
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
- Quick-connect line connections[2]
- Precharged length
- 25 ft[1]
- Included line-set length
- 25 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
- 32.28 x 12.05 x 7.68 in[1]
- Outdoor dimensions
- 31.89 x 12.01 x 21.61 in[1]
- Indoor weight
- 20.7 lb[1]
- Outdoor weight
- 53.6 lb[1]
- Drain size
- not published
Related systems and guides
- More Klimaire systems
- Haier Arctic Premium Highwall 9k R-454B 208/230V Mini-Split
- LG 1-Way Ceiling Cassette 9k One-Way Cassette R-32 208/230V Mini-Split
- Klimaire 11.5k R-32 115V Mini-Split
- Klimaire 11.5k R-32 230V Mini-Split
- Guide library
- Mini split buying guide
- Single-zone vs multi-zone mini splits
- Troubleshooting
- Do mini splits work in cold weather?
- DIY vs professional mini split installation
- Klimaire mini split review: is Klimaire any good?
- The best 9,000 BTU mini splits of 2026
- The best cold-climate mini splits of 2026
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- Mini split heating capacity in the cold: what your unit actually delivers at 5F
- The mini split defrost cycle, explained
- The best DIY mini splits of 2026
- What "DIY mini split" actually means
- How to install a mini split (DIY overview)
- Mini split not heating
- Mini split indoor unit freezing up
- Mini split remote not working
- Mini split Wi-Fi not connecting
- Line sets
- Line-set covers
Frequently asked questions
- Can I install the Klimaire KIWQ-KOIQ DIY 9,000 BTU R-454B 110-115V (KIWQ09H1-45T / KOIQ09H1-45T) myself, or do I need a pro?
- Klimaire KIWQ-KOIQ DIY 9,000 BTU R-454B 110-115V (KIWQ09H1-45T / KOIQ09H1-45T) is sold as a DIY-installable system with an included 25 ft line set, so a standard install needs no vacuum pump or gauges. EPA's Section 608 guidance says connecting pre-charged lines still requires technician certification. The electrical circuit is the part that is not DIY: plan on a licensed electrician for the dedicated circuit, and check whether your local permit office requires a permit for the install.
- Will the Klimaire KIWQ-KOIQ DIY 9,000 BTU R-454B 110-115V (KIWQ09H1-45T / KOIQ09H1-45T) keep heating in a cold winter?
- The AHRI/ENERGY STAR certification lists 7,100 BTU/h of heating capacity at 5F. Rated heating operation extends down to -13 F. 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 KIWQ-KOIQ DIY 9,000 BTU R-454B 110-115V (KIWQ09H1-45T / KOIQ09H1-45T) need?
- Published electrical requirements: 115 V voltage, 15 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 25 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 KIWQ-KOIQ DIY 9,000 BTU R-454B 110-115V (KIWQ09H1-45T / KOIQ09H1-45T) carry?
- The manufacturer publishes these warranty tiers: Base: 3 yr parts (base residential coverage); Registered: 5 yr parts / 7 yr compressor (registered residential use within 45 days). Score uses Registered.. 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.: KIWQ09H1-45T & KOIQ09H1-45T technical specificationsSourced - manufacturer technical document
Covers Frequency, Maximum breaker size, Maximum fuse size, Minimum circuit ampacity, Phase, Manufacturer wire notes and more
- Klimaire Products Inc.: KIWQ/KOIQ 2026 Installation and Users ManualSourced - secondary source
Covers Line connection type
- ENERGY STAR record for AHRI #218067067 - search ENERGY STARSourced - Energy Star listing
Covers AHRI certification number, COP at 5F, EER2, HSPF2 (Region 4), Rated heating at 17F, Certified heating at 5F and more
- ENERGY STAR record for AHRI #218067067 - search ENERGY STARSourced - Energy Star listing
Covers Energy Star status
- AHRI certificate #218067067 - search the AHRI DirectorySourced - AHRI directory
Covers system.lifecycle_status
- Klimaire Products Inc.: Klimaire Warranty Information - DIY Mini-Split SystemsSourced - manufacturer product page
Covers Legacy compressor warranty value, Legacy warranty value, Registered compressor warranty, Registered warranty conditions, Registered parts warranty, Base warranty conditions and more
- Klimaire Products Inc.: KIWQ09H1-45T & KOIQ09H1-45T technical specificationsSourced - manufacturer technical document
Covers HSPF2 (Region 4) conflicting value, SEER2 conflicting value
Last updated
Jul 22, 2026