Product overview
ACiQ 18,000 BTU Ceiling Cassette Mini Split Air Handler (R454B) - ACIQ-18CC-HH-MC
Summary
The ACiQ Ceiling Cassette air handler provides a discreet, high-efficiency heating and cooling solution that mounts flush with your ceiling. This 18,000 BTU unit delivers quiet, four-way airflow (as low as 23.5 dB) while maintaining a low-profile appearance with only the decorative grille visible. Perfect for rooms where wall space is limited or a cleaner aesthetic is desired.
This system features reliable performance with its included wireless remote and optional WiFi control for convenient operation. The factory-installed condensate pump simplifies installation while providing centralized air distribution for consistent comfort.
Key Features:
- Flush Ceiling Mount: Only the decorative grille remains visible
- Four-Way Air Distribution: Even comfort throughout your space
- Ultra-Quiet Operation: As low as 23.5 dB(A) - quieter than a whisper
- Factory-Installed Condensate Pump: 14" lift capacity
- Included Handheld Remote: Easy temperature control
- WiFi Compatible: Optional smart control capability
- R454B Refrigerant: Next-generation, environmentally friendly
- Dry & Fan Modes: Dehumidification and air circulation options
Important
Professional installation required for warranty validation. Registration must be completed within 60 days of installation at ACiQ.com. Installation materials (line sets, control wire, drain hose, whip, and disconnect) are not included but available separately. This system uses R454B refrigerant.
Technical Specifications
| Category | Specification | Unit | Value |
|---|---|---|---|
| Power Supply | Rated | V, Ph, Hz | 208/230, 1, 60 |
| Capacity | Cooling | Btu/h | 18,000 |
| Heating | Btu/h | 18,000 | |
| Air Flow | Maximum | CFM | 447.3 |
| Noise Level | Minimum | dB(A) | 23.5 |
| Refrigerant | Type | R454B | |
| Connections | Liquid Line / Gas Line | inch | 1/4" / 1/2" |
| Drainage | Pump Lift Capacity | inch | 14 |
| Dimensions | Unit (H×W×D) | inch | 9.65×22.44×22.44 |
| Cutout Size | inch | 22.05×22.05 | |
| Net Weight | lbs | 41.89 | |
| Electrical | Breaker Size | A | 15 |
| Included Accessories | Handheld remote, decorative grille, installation kit | ||
Warranty
- 12 year compressor limited warranty (with online registration)
- 7 year parts limited warranty (with online registration and professional installation)
- 1 year remote control warranty
Installation Considerations
- Requires ceiling cavity for flush mounting (minimum 9.65" height)
- Fits between 24" on-center joists (16" on-center requires framing modification)
- Factory-installed pump provides 14" lift - additional PVC drainage required beyond this
- 1/4" liquid line and 1/2" suction line connections
- Recommended for medium rooms (approximately 600-800 sq/ft depending on climate)
- Central location provides optimal air distribution
- Professional installation required for warranty validation
Performance Features
- Four-way air discharge for even room coverage
- Auto-restart after power failure
- Sleep mode for quiet nighttime operation
- Turbo mode for rapid cooling/heating
- Self-diagnosis system with error codes
- 24-hour timer function
- 4 fan speeds plus auto mode
- Auto swing louvers
- Intelligent defrost cycle
- Dry mode for dehumidification
- Fan-only mode for air circulation
Manuals & Downloads
- Submittal Data (PDF)
- Installation Manual (PDF)
- Owner's Manual (PDF)
- Remote Control Manual (PDF)
- Service Manual (PDF)
Safety Information
PROPOSITION 65 WARNING: This product can expose you to chemicals including lead and copper, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
In-stock systems ship fast and free with curbside freight delivery, typically arriving in 4–10 days. Please inspect each box at delivery and note any damage on the receipt before signing — it keeps any freight claim quick and simple.
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At a glance
Tech specs
| Condenser capacity | 18K BTU |
|---|---|
| Power | 230 Volt |
| Mount type | Ceiling Cassette |
| Installation | Professional installation required |
| Brand | ACiQ |
Sizing in doubt? Our HVAC experts confirm capacity for your rooms before you order — free. Ask us about utility rebates for high-efficiency heat pumps in your area.
