MRCOOL® 48k DIY 5th Generation 6 Zone Multi-Zone Mini-Split Condenser 230v
MODEL: DIY-MULTI6-48HP230D-O
Product Description
DIY Whole-Home Comfort for Up to 6 Rooms (2,000 sq. ft.)
Upgrade your entire home’s climate control with the MRCOOL® 48K DIY® 5th Generation Multi-Zone Mini-Split Condenser — the most powerful and efficient DIY multi-zone system available. This advanced condenser powers up to 6 individual air handlers and delivers reliable, energy-efficient heating and cooling for spaces up to 2,000 sq. ft.
With an impressive SEER2 rating of 21.8 and HSPF2-4 of 10, it’s built for efficiency and lower utility costs. Thanks to the patented Quick Connect® pre-charged line sets filled with eco-friendly R-454B refrigerant, you can complete the installation without specialized HVAC tools or professional assistance. (Line sets sold separately.)
The system’s SmartHVAC® app compatibility lets you manage each zone from your smartphone or via voice commands with Amazon Alexa and Google Assistant. Customize your ideal indoor climate with scheduling, temperature controls, and system monitoring at your fingertips.
Protected by one of the best warranties in the industry — including a Limited Lifetime Compressor Warranty (with registration) — this system combines modern convenience, exceptional power, and future-ready eco-performance.
Why You’ll Love It
✅ Heats & Cools Up to 6 Zones — Ideal for whole-home coverage up to 2,000 sq. ft.
✅ 100% DIY Installation — Quick Connect® pre-charged line sets for tool-free, no-vacuum setup.
✅ High-Efficiency Performance — SEER2 21.8 and HSPF2-4 10 for serious energy savings.
✅ Smart Control — Manage zones via SmartHVAC® app, Alexa, or Google Assistant.
✅ Follow Me® Remote — Comfort follows you, adjusting temperatures where you are.
✅ Ultra-Quiet Rotary Compressor — Runs efficiently with a 64 dBA sound rating.
✅ Eco-Friendly Refrigerant — R-454B for reduced environmental impact and higher performance.
✅ Industry-Leading Warranty — Limited Lifetime Compressor (registered), 7-Year Compressor, 5-Year Parts.
What’s Included:
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MRCOOL® 48K DIY® 5th Gen 6-Zone Mini-Split Condenser
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DIYPro™ Communication Cable
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Wireless Remote Control
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Installation Accessories
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MRCOOL® Warranty
Specifications at a Glance
| Attribute | Details |
|---|---|
| BTU Capacity | 43,000 (Cooling) / 48,000 (Heating) |
| Voltage | 208/230V |
| Zones Supported | Up to 6 |
| SEER2 | 21.8 |
| HSPF2-4 / HSPF2-5 | 10 / 7.8 |
| Refrigerant Type | R-454B |
| Line Set Compatibility | MRCOOL® Quick Connect® |
| Max Line Set Length (ft) | 221.4 |
| Liquid Line Size | 1/4″ |
| Suction Line Size | (3/8″ x4) (1/2″ x2) |
| Sound Rating (dBA) | 64 |
| Wi-Fi Compatibility | Yes (SmartHVAC App, Alexa, Google Assistant) |
| Warranty | Limited Lifetime Compressor (registered), 7-Year Compressor, 5-Year Parts |
Installation & Guides
Room Size & BTU Coverage Guide
| BTU Rating | Ideal Coverage Area (Approx.) |
|---|---|
| 48,000 | 2,000 sq. ft. (up to 6 rooms) |
Important:
Always consider ceiling height, insulation, sun exposure, and other room-specific factors when choosing your system.
Need Help Choosing?
Our MRCOOL-certified team is ready to help — message us anytime!
What You Need for a Complete System
To operate at full capacity, pair this condenser with:
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MRCOOL® DIY® 5th Gen Multi-Zone Air Handlers (up to 6 total)
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MRCOOL® Quick Connect® Pre-Charged Line Sets (available in multiple lengths — sold separately)
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DIYPro™ Communication Cables (25ft included with each air handler)
Optional Accessories:
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MRCOOL® Wall Mount Bracket
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Additional Quick Connect® Line Sets
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Coupler Kits for extended distances
Important:
This condenser is only compatible with MRCOOL® DIY® 5th Gen Multi-Zone Air Handlers.
Shipping Policy
At Cool Heat Direct, we offer free curbside delivery on all MRCOOL product orders via FedEx Ground, FedEx Freight, or trusted carriers depending on order size.
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Deliveries are made to the curbside — please arrange assistance for heavy or large items, as drivers do not carry items indoors or upstairs.
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Tracking details will be sent within 3–5 business days after placing your order.
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Freight shipments are scheduled directly by the carrier using the contact information you provide at checkout.
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Please inspect your shipment upon delivery and report any visible damage on the delivery receipt.
👉 Click here for our full Shipping Policy
Return Policy
We want you to love your purchase from Cool Heat Direct. If you need to return an item:
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Contact us within 30 days of delivery.
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Items must be unused, uninstalled, and in their original packaging.
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A 35% restocking fee applies to all approved returns.
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Accessories such as line sets, wall mounts, and couplers are non-returnable.
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Return shipping is the customer’s responsibility unless the item is damaged or defective on arrival.
To start a return, please email us at support@coolheatdirect.com with your order number and reason for return.
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