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    MRCOOL Olympus 9,000 BTU 3/4 Ton Ductless Mini Split Ceiling Cassette with Panel 230V/60Hz, CASSETTE09HP-230C-P-O

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    Sale Price $571.00 Regular Price $713.75
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    MRCOOL® Olympus 9,000 BTU (¾ Ton) Ductless Mini Split Ceiling Cassette with Panel 230 V/60 Hz | CASSETTE09HP-230C-P-O

    The MRCOOL® Olympus Series represents the Best Tier of MRCOOL comfort systems — engineered for professional installation, elegant aesthetics, and premium climate performance. The Olympus 9,000 BTU (¾ Ton) Ductless Ceiling Cassette offers quiet, efficient heating and cooling for spaces up to 400 sq ft. Designed for flush ceiling integration, this recessed 4-way cassette maximizes comfort without compromising style.

    Note: Olympus indoor cassettes are not pre-charged and require professional HVAC installation. Systems must be nitrogen-evacuated and vacuumed before refrigerant release from the outdoor condenser to ensure peak performance and warranty protection.


    Premium Comfort Meets Discreet Design

    • Seamless Ceiling Integration: Flush-mounted 4-way cassette blends into the ceiling for a sleek, minimalist look that complements any décor.
    • Ideal Coverage: Efficiently heats and cools areas up to 400 sq ft — perfect for bedrooms, offices, or compact living areas.
    • Quiet Operation: Operates at just 42 dB for whisper-quiet comfort, ideal for peaceful environments.
    • Eco-Friendly Refrigerant: Uses advanced R-454B refrigerant with low GWP for eco-conscious performance.
    • Energy-Efficient Design: Optimized for consistent airflow and efficient operation to reduce utility costs.
    • Durable Construction: Built with premium materials and advanced MRCOOL® technology for long-term reliability.
    • Comprehensive Warranty: Lifetime warranty on parts (limited), 7-year compressor and 5-year parts coverage for complete peace of mind.

    Technical Specifications

    Model BTU / Ton Voltage / Hz Coverage Area* Sound Level Refrigerant Installation Type Warranty
    CASSETTE09HP-230C-P-O 9,000 BTU (¾ Ton) 230 V / 60 Hz Up to 400 sq ft ≈ 42 dB R-454B Recessed 4-Way Ceiling Cassette Lifetime (limited) / 7 Compressor / 5 Parts

    *Coverage depends on insulation, ceiling height, climate, and room layout.


    Professional Installation Required

    The Olympus cassette system must be installed by a licensed HVAC professional. The system requires proper nitrogen testing, vacuum evacuation, and charge release from the condenser. This ensures maximum performance, energy efficiency, and full warranty validity.

    Reminder: Olympus cassettes are professional-grade systems — not DIY — and require certified installation.

    What’s Included

    • MRCOOL® Olympus 9 K Ceiling Cassette (Indoor Unit)
    • Decorative ceiling panel
    • Installation hardware and manual

    Recommended Accessories

    • Matching MRCOOL® Olympus outdoor condenser (properly sized)
    • Refrigerant line set and control wire (installer supplied)
    • Drain pump (if required), surge protection, ceiling trim kit

    Why Choose the Olympus Cassette?

    When you need discreet, high-performance comfort, the Olympus 9 K Cassette delivers — blending seamlessly into your ceiling while quietly conditioning your space. It’s the perfect solution for homeowners and contractors seeking premium design, energy efficiency, and reliable MRCOOL® performance backed by top-tier warranty protection.


    Nationwide Shipping & Trusted Dealer

    Buy with confidence from MRCOOLDIYDirect.com — the USA’s most trusted MRCOOL® dealer. Enjoy fast nationwide shipping, genuine Olympus products, and expert support from start to finish.


    SKU: CASSETTE09HP-230C-P-O
    Series: Olympus – Best Tier
    Type: Ductless Mini Split Recessed 4-Way Ceiling Cassette
    BTU: 9,000 (¾ Ton)
    Coverage: Up to 400 sq ft
    Refrigerant: R-454B
    Warranty: Limited Lifetime / 7 Year Compressor / 5 Year Parts
    Availability: Ships Nationwide from MRCOOLDIYDirect.com

    Popular keywords: MRCOOL Olympus 9K ceiling cassette, ¾ Ton recessed air handler, CASSETTE09HP-230C-P-O, MRCOOL ceiling mini split, R-454B cassette air handler, MRCOOL 4-way cassette, quiet 42 dB ceiling mini split, MRCOOL dealer USA.

    Product Specifications
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    Service & Support

    Manufacturer Warranty

    This product is covered by the manufacturer’s warranty against defects in materials and workmanship when installed and used according to the manufacturer’s guidelines. Warranty terms and coverage periods vary by manufacturer and product type. Please refer to the official product documentation or contact our team if you need help verifying warranty details.

    Technical Support

    Freedom HVAC Supply is staffed by people who actually understand HVAC systems. If you need help confirming compatibility, selecting the correct replacement part, or understanding installation requirements, our team is available to assist before and after your purchase.

    Product Documentation

    Installation manuals, specification sheets, wiring diagrams, and other technical documentation are available whenever possible. These resources help ensure proper installation, system compatibility, and safe operation of your equipment.

    Parts Compatibility & Cross-Reference

    Many HVAC parts replace or supersede older manufacturer part numbers. We provide replacement part numbers and compatible model information on product pages to help technicians and homeowners verify the correct component before ordering.

    Replacement Parts & Accessories

    Freedom HVAC Supply carries genuine replacement components and compatible accessories to keep HVAC systems running reliably. From control boards and motors to sensors, line sets, and installation accessories, we supply the parts professionals depend on.

    Customer Support

    If you have questions about product compatibility, warranty coverage, or installation considerations, our support team is ready to help. Our goal is to make sure you get the right part the first time so your system can get back up and running quickly.

    FAQs About Our HVAC Products

    Quick answers to questions about ordering, compatibility, and installation.

    Ordering & Compatibility

    1. Do you sell HVAC equipment to homeowners and DIY installers?

    Yes. Freedom HVAC Supply sells HVAC equipment and parts to contractors, property owners, and qualified DIY installers. Some products may require professional installation based on local codes.

    2. How do I know if this HVAC product is compatible with my system?

    Product pages include specifications and compatibility details. If you’re unsure, our team can help verify fit before you order.

    3. Can HVAC contractors purchase from Freedom HVAC Supply?

    Absolutely. We work with licensed HVAC contractors, installers, and professionals nationwide.

    Installation & Support

    1. Do HVAC systems require professional installation?

    Some HVAC equipment must be installed by a licensed professional to meet code requirements or warranty terms. Always review manufacturer guidelines.

    2. Can you help me choose the right HVAC system or part?

    Yes. Our support team can assist with product selection based on your application, space, and installation needs.

    3. Do you provide installation manuals or documentation?

    Manufacturer installation guides and documentation are included or available upon request for most products.

    Warranty & Shipping

    1. Do HVAC products include a manufacturer warranty?

    Most HVAC equipment includes a manufacturer warranty when installed according to guidelines. Warranty terms vary by brand and product.

    2. Do you ship HVAC equipment nationwide?

    Yes. We ship HVAC systems and parts throughout the continental United States using trusted freight and parcel carriers.

    3. What should I know about freight delivery for HVAC equipment?

    Larger HVAC equipment ships via freight and should be inspected upon delivery. Delivery details are provided during checkout.

    Need HVAC Help?

    Get help with ordering, compatibility, or installation questions.

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