SplitAtlas

ACiQ / ACiQ Standard

ACiQ Standard 9k R-454B 115V Mini-Split

Certified capacity
9,000 BTU/h[2]
SEER2
24.5 SEER2[2]
Heating floor
-13 F[1]
Voltage
115 V[1]
Install path
Professional install

The Standard tier is where ACiQ's R-454B efficiency really climbs, and this 9,000 BTU, 115V unit is a standout: 24.5 SEER2, 15 EER2, and 10.7 HSPF2. It is both ENERGY STAR certified and AHRI cold-climate designated. Heating holds well - 10,000 BTU at 47F, 9,400 BTU at 17F, and 7,300 BTU at 5F - making it a genuinely high-performing small zone on ordinary 115V power.

1 zoneProfessional installCurrent

Refrigerant generation

R-454B - current-generation refrigerant

Paid link

$960 / Checked Jul 26, 2026

$960 at HVACDirect

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ACiQ Standard 9,000 BTU R-454B 115V (ACIQ-09WS-HP115C / ACIQ-09ZS-HP115C) mini-split heat pump indoor wall unit and outdoor condenser

Image: HVACDirect

Data completeness: 93%
Last sourced
Jul 26, 2026

SplitAtlas score

8.6 / 10

Methodology
Cooling efficiencyAbove average

(24.5 SEER2) among <=9k systems

Heating efficiencyAbove average

(10.7 HSPF2) among <=9k systems

Cold-weather performanceBelow average

(5F certified capacity: 73% of the 47F rating; -13 F heating floor) among <=9k systems

NoiseTop quartile

(17.5 dBA indoor min / 53 dBA outdoor) among <=9k systems

WarrantyTop 10%

(7 yr parts / 12 yr compressor) across the catalogue

Feature setAbove average

(5 verified features) across the catalogue

Price-to-performanceAbove average

($960 median retail) among <=9k systems

Documentation & partsBelow average

(6 manuals; spec sheet) across the catalogue

Not evaluated

  • Installation accessibility — not applicable (professional install)N/A

    professional install - DIY-accessibility not applicable

Key ratings

Rated cooling

9,000BTU/h[2]

Rated heating

10,000BTU/h[2]

Buyer review snapshot

Install difficulty

Professional install
  • Electrical: 115V; MCA 18 A; breaker/fuse 20 A.
  • Line set: connection type not sourced; precharged 25 ft.

Alternatives

Availability and price context

  • Last seen at HVACDirect on Jul 26, 2026: $959.99. Open the listing for today's price.

Source date

Model data sourced
Jul 26, 2026
Page reviewed
Jul 26, 2026
Source-backed records
3
Newest source retrieved
Jul 26, 2026

Warranty tiers

Registered
7 yr parts / 12 yr compressor - published per-line terms with online registration

The score uses Registered. Additional published terms are shown for reference and not counted in the score.

Review methodology

Strengths

  • Excellent efficiency across the board, with a 15 EER2 that's exceptional for a 115V 9k unit.
  • ENERGY STAR certified and cold-climate designated, keeping 9,400 BTU at 17F for dependable winter heat.
  • Buyable direct from HVACDirect, with online pricing and ordering.

Weaknesses

  • Low-temp output does step down to 7,300 BTU at 5F, softer than the flagship Extreme line in the deepest cold.
  • Value-brand backing means a thinner service network than premium cold-climate competitors.

Climate suitability

Minimum heating ambient
-13 F[1]
Certified heating at 5F
7,300 BTU/h[2]
Rated heating at 17F
9,400 BTU/h[2]
Rated heating at 47F
10,000 BTU/h[2]

Specifications

Show
Manufacturer
ACiQ
Brand
ACiQ
Product line
ACiQ Standard
Model number
ACIQ-09WS-HP115C indoor / ACIQ-09ZS-HP115C outdoor
Indoor unit model
ACIQ-09WS-HP115C
Outdoor unit model
ACIQ-09ZS-HP115C
Number of zones
1
Max indoor units
not published
Rated cooling capacity
9,000 BTU/h[2]
Rated heating capacity
10,000 BTU/h[2]
Voltage
115 V[1]
MCA
18 A[1]
Maximum fuse or breaker size
20 A[1]
Breaker needed
not published
SEER2
24.5 SEER2[2]
EER2
15 EER2[2]
HSPF2 (Region 4)
10.7 HSPF2[2]
HSPF2 (Region 5)
not published
COP
not published
COP at 47F
not published
COP at 5F
2.2 COP[2]
Minimum outdoor heating temperature
-13 F[1]
Minimum outdoor cooling temperature
-13 F[1]
Maximum outdoor temperature
122 F[1]
Indoor noise range
17.5 / 44 dB(A)[1]
Outdoor noise rating
53 dBA[1]
Indoor weight
26.01 lb[1]
Outdoor weight
70.11 lb[1]
Refrigerant
R-454B[2]
Refrigerant charge
not published
Manufacturer coverage
not published
Line-set size
1/4 in liquid / 3/8 in suction
Included line-set length
Line set length is selected as an accessory on this HVACDirect system page.
Maximum line-set length
not published
Max line set per indoor
not published
Maximum elevation difference
not published
Max height between indoor units
not published
Wi-Fi support
supported[1]
Energy Star status
ENERGY STAR certified[3]
AHRI certification number
216980865[2]
Warranty
Registered: 7 yr parts / 12 yr compressor (published per-line terms with online registration). Score uses Registered.. 12-year compressor / 7-year parts with online registration
Install path
Professional install
Retail price
$959.99
Available retailers
HVACDirect
Manual links
AHRI public directory record 216980865, ENERGY STAR exact check 216980865, 9,000 BTU ACiQ Standard 24.5 SEER2 Single Zone Wall Mount Mini Split Heat Pump System - R454B | 115V HVACDirect installation resources listing, 9,000 BTU ACiQ Standard 24.5 SEER2 Single Zone Wall Mount Mini Split Heat Pump System - R454B | 115V, 9,000 BTU ACiQ Standard 24.5 SEER2 Single Zone Wall Mount Mini Split Heat Pump System - R454B | 115V HVACDirect product specification grid
Specification sheet
9,000 BTU ACiQ Standard 24.5 SEER2 Single Zone Wall Mount Mini Split Heat Pump System - R454B | 115V HVACDirect product specification grid
Last sourced date
Jul 26, 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

$960 at HVACDirect

$960 / Checked Jul 26, 2026

Electrical requirements

Show
Voltage
115 V[1]
Voltage range
115V[1]
Phase
1[1]
Frequency
60 Hz[1]
MCA
18 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
not published

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
Line set length is selected as an accessory on this HVACDirect system page.
Maximum line-set length
not published
Max line set per indoor
not published
Max height between indoor units
not published
Indoor dimensions
31.57 x 11.61 x 7.87 in[1]
Outdoor dimensions
30.12 x 21.85 x 11.93 in[1]
Indoor weight
26.01 lb[1]
Outdoor weight
70.11 lb[1]
Drain size
not published

Frequently asked questions

Can I install the ACiQ Standard 9,000 BTU R-454B 115V (ACIQ-09WS-HP115C / ACIQ-09ZS-HP115C) myself, or do I need a pro?
ACiQ Standard 9,000 BTU R-454B 115V (ACIQ-09WS-HP115C / ACIQ-09ZS-HP115C) 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 ACiQ Standard 9,000 BTU R-454B 115V (ACIQ-09WS-HP115C / ACIQ-09ZS-HP115C) keep heating in a cold winter?
The AHRI/ENERGY STAR certification lists 7,300 BTU/h of heating capacity at 5F. Rated heating operation extends down to -13 F. Certified heating efficiency is 10.7 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 ACiQ Standard 9,000 BTU R-454B 115V (ACIQ-09WS-HP115C / ACIQ-09ZS-HP115C) need?
Published electrical requirements: 115 V voltage, 18 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.
What warranty does the ACiQ Standard 9,000 BTU R-454B 115V (ACIQ-09WS-HP115C / ACIQ-09ZS-HP115C) carry?
The manufacturer publishes these warranty tiers: Registered: 7 yr parts / 12 yr compressor (published per-line terms with online registration). Score uses Registered.. Registration requirements and proof of qualified installation commonly affect coverage, so read the warranty terms before install day.

Data sources

Show
  1. HVACDirect / ACiQ: 9,000 BTU ACiQ Standard 24.5 SEER2 Single Zone Wall Mount Mini Split Heat Pump System - R454B | 115VSourced - manufacturer product page

    Covers Frequency, Maximum breaker size, Maximum fuse size, Minimum circuit ampacity, Phase, Voltage and more

  2. Air-Conditioning, Heating, and Refrigeration Institute: AHRI Appendix M1 public detail for ACIQ-09ZS-HP115C / ACIQ-09WS-HP115CSourced - 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 216980865Sourced - Energy Star listing

    Covers Energy Star status

Last updated

Jul 26, 2026