18000BTU Commercial Inverter Air Conditioner | Cassette Ceiling AC | Sirair

Experience peak performance and comfort with the Sirair 18000BTU Cassette Inverter Air Conditioner, engineered to cool and heat large commercial or residential spaces up to 36m with silent precision. Designed with 360 airflow and 8-way directional vents, this ceiling-mounted unit ensures complete climate coverage with minimal noise and maximum energy efficiency.

The inverter compressor technology automatically adjusts output based on demand, cutting down energy usage and maintaining consistent indoor temperatures. Paired with its sleek, flush-mount design and eco-friendly R410a refrigerant, the Sirair 18000BTU unit is the ideal choice for high-end environments where power, elegance, and sustainability converge.

Perfect for:

• Large office floors and open-plan workspaces
• High-traffic commercial environments
• Restaurants, hotels, and hospitality venues
• Spacious homes, lounges, and living areas
• Conference centers, boardrooms, schools and places of worship

Features:

• 18000BTU Inverter Output - Engineered for high-capacity cooling & heating
• 360 Airflow with 8-Way Vents - Complete room coverage without hot spots
• Eco-Friendly R410a Refrigerant - Sustainable and regulation-compliant
• Inverter Technology - Reduces energy consumption and temperature swings
• Whisper-Quiet Performance - Suitable for noise-sensitive environments
• Discreet Ceiling-Mounted Design - Saves space and enhances aesthetics
• Flexible Ceiling Integration - Compatible with drop/suspended ceilings
• Quick-Access Maintenance Panels - Low-maintenance operation and servicing
• Wide Area Coverage - Ideal for 36m zones

Benefits:

• Cuts electricity costs with energy-efficient inverter operation
• Distributes consistent temperature throughout large or complex spaces
• Seamlessly blends into ceilings for a premium, unobtrusive finish
• Reduces noise pollution-perfect for professional and leisure settings
• Designed for year-round reliability in diverse climate conditions
• Improves air comfort and quality in busy or high-end spaces

Usage Tips:

• Clean air filters regularly for best performance
• Use auto-mode and temperature presets to optimize efficiency
• Always have a certified installer fit the unit to maintain warranty
• Combine with ceiling insulation for even better energy performance

Installer Network Access:

To make installation even easier, each unit comes with a QR code that can be scanned to access a list of verified, nationwide approved installers. Whether you're in Johannesburg, Cape Town, Durban, or anywhere in between, you'll have quick access to professional installation support in your area. Please note that installation is not included in the unit price, clients are required to contact and pay the selected installer directly.


The Sirair 18000BTU Cassette Inverter Air Conditioner is the ultimate solution for large-scale climate control-blending top-tier performance with low-profile design and energy-smart operation. Whether for commercial expansion or premium home upgrades, it delivers unmatched coverage, comfort, and cost savings.

What's in the box
1 x 18000BTU Sirair Cassette Inverter Indoor Unit
1 X Indoor Cover
1 x Outdoor Unit
1 x Remote Control
1 x User manual

Disclaimer
PLEASE NOTE: This product is not intended to compensate for diagnosis, treatment, cure, or mitigation of medical conditions. If you or a family member are experiencing any health-related problem, you should obtain medical advice from a certified health professional as this device may be harmful to your health. You are therefore advised to use this product with caution.