Enjoy complete comfort control across five smaller spaces with the MRCOOL DIY 5th Gen 36 K BTU 5-Zone Ductless Mini Split System with Ceiling Cassettes (6 K + 6 K + 6 K + 6 K + 6 K).
Designed for bedrooms, offices, or compact zones up to ≈ 250 sq ft each, this system uses five identical 6 K ceiling cassettes powered by a 36 K BTU 23 SEER2 inverter condenser.
Installation is simple—no special tools, gauges, or professional labor required.
⚙️ Key Features
✅ True DIY Installation
Pre-charged Quick Connect® Line Sets with eco-friendly R-454B refrigerant allow safe, fast setup—no vacuum pump or licensed tech needed.
🌡️ Smart Home Comfort
Manage zones individually with the MRCOOL SmartHVAC App or control hands-free via Alexa and Google Home.
💨 Compact Ceiling Cassettes
Low-profile units recess between 16-inch joists, delivering quiet, evenly distributed air without taking wall space.
♻️ Energy-Efficient & Eco-Safe
High-performance DC inverter compressor plus next-gen R-454B refrigerant achieve up to 23 SEER2 efficiency and lower emissions.
🔒 Long-Term Reliability
Backed by a 7-Year Compressor Warranty, 5-Year Parts Warranty, and optional Lifetime Replacement Coverage through the MRCOOL Care Program. Gold Fin® coating resists corrosion for durability.
💡 Why Homeowners Love It
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Ideal for evenly sized rooms (~ 1,250 sq ft total coverage)
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Ultra-quiet, discreet installation
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Auto, Sleep & Dry modes for custom comfort
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App integration with real-time alerts
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Minimal maintenance with filter reminders
📦 What’s Included
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(1) 36 K BTU MRCOOL DIY 5th Gen Condenser
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(5) 6 K BTU Ceiling Cassettes
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Pre-Charged DIY Quick Connect Line Sets & Couplers
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Remotes & Installation Manuals
⚡ Technical Highlights
| Specification | Value |
|---|---|
| Cooling Capacity | 34 000 BTU |
| Heating Capacity | 36 000 BTU |
| Voltage | 208/230 V Single Phase |
| Refrigerant | R-454B |
| SEER2 / HSPF2-4 | 23 / 9.9 |
| Zones Supported | 5 |
| Compressor Type | DC Inverter Rotary |
| Noise Level | 64 dBA |
| Connectivity | Wi-Fi, Alexa, Google Home |
| Certifications | AHRI, ETL, Energy Star Certified |
💬 Customer Benefits
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Save $1 K – $3 K on labor with DIY setup
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Free shipping & 0 % Affirm financing
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Quiet performance for multi-room comfort
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Lifetime technical support from MRCOOL
🏁 The DIY Comfort Solution
The MRCOOL DIY 5th Gen 36 K BTU 5-Zone Mini Split (6 K × 5) is perfect for small, evenly sized rooms needing independent temperature control.
Enjoy energy-smart comfort, clean design, and easy installation—without the contractor markup.
Even comfort. Endless efficiency. Only from this retailer.
Shipping Policy
Free Standard Shipping
We offer free standard shipping on all orders. Orders are processed within 1–2 business days and typically arrive within 5–7 business days.
Expedited Shipping
Expedited shipping options are available at checkout. Expedited orders placed before 12pm EST ship the same business day.
Order Tracking
Once your order ships you will receive a confirmation email with a tracking number. You can track your shipment at any time through our website or the carrier's portal.
International Shipping
We currently ship within the United States only. International shipping is not available at this time.
Return Policy
30-Day Returns
We accept returns within 30 days of delivery. Items must be unused, in their original packaging, and in the same condition as received.
How to Initiate a Return
Contact our support team at sales@homecrucial.com with your order number and reason for return. We will provide a prepaid return label within 1–2 business days.
Refunds
Refunds are processed within 5–7 business days after we receive the returned item. The refund will be issued to your original payment method.
Non-Returnable Items
Items that have been installed, used, or damaged after delivery are not eligible for return.
Warranty
Manufacturer's Warranty
All products sold at Home Crucial are covered by the manufacturer's warranty. Warranty terms vary by brand and product — please refer to the documentation included with your product for specific details.
What Is Covered
Manufacturer warranties typically cover defects in materials and workmanship under normal use and conditions. Coverage does not include damage caused by misuse, improper installation, or normal wear and tear.
Warranty Claims
To initiate a warranty claim, contact us at sales@homecrucial.com with your order number, a description of the issue, and photos if applicable. We will coordinate with the manufacturer on your behalf.
Extended Protection
Extended warranty and protection plans may be available for select products. Contact us for more details.
Customer Reviews
★★★★★ 4.9 out of 5 · 20 reviews
High-efficiency 5th Gen ENERGY STAR® rated DIY mini split heat pumps.
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Outdoor esthetics do matter.
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Create your bundle with ease.
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Authorized Dealer of Mr Cool™.
