MRCOOL® 6K DIY 5th Generation Mini-Split Air Handler 230v
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MODEL: DIY-06-HP-WMAH-230D25-O
Effortless, Whisper-Quiet Comfort for Spaces up to 250 sq. ft.
The MRCOOL® 6K BTU DIY® 5th Generation Mini-Split Air Handler (230V) delivers efficient, year-round heating and cooling for spaces up to 250 sq. ft. Perfect for bedrooms, nurseries, home offices, or small living areas, this sleek unit offers powerful performance in a compact, energy-saving design.
Built for true DIY installation, it connects seamlessly to your MRCOOL® 5th Gen Multi-Zone Condenser using a pre-charged 25-foot Quick Connect® line set with eco-friendly R-454B refrigerant—no vacuum pumps, no gauges, no professional installers needed. The result: a fast, clean, cost-effective setup with professional-grade reliability.
Control your comfort your way with a wireless remote, the SmartHVAC® app, or voice commands through Amazon Alexa and Google Assistant. Follow Me® technology adjusts the temperature based on your location for personalized comfort, while Dry Mode, ultra-quiet operation, and a Gold Fin® condenser ensure durability and efficiency. Backed by MRCOOL’s industry-leading warranty, this mini-split air handler is a smart, stylish solution for year-round climate control.
Why You’ll Love It
✅ Compact, Wall-Mounted Comfort — Perfect for small bedrooms, home offices, nurseries, and compact studio spaces.
✅ Simple DIY Installation — Pre-charged Quick Connect® lines and included 25ft DIYPro™ Communication Cable mean no vacuuming, gauges, or licensed HVAC professional required.
✅ Smart-Home Ready — Wi-Fi enabled for full control via the SmartHVAC® app, Amazon Alexa, or Google Assistant.
✅ Follow Me® Temperature Technology — Automatically adjusts based on your exact location for personalized comfort.
✅ Ultra-Quiet Operation — Operates between 26.5 and 39.5 dBA for whisper-quiet performance.
✅ Gold Fin® Protection — Corrosion-resistant condenser extends system life and durability.
✅ Year-Round Efficiency — Cools down to 5°F and heats up to 86°F, perfect for all-season comfort.
✅ Industry-Leading Warranty — Includes Limited Lifetime Compressor Warranty (with registration), 7-Year Compressor, and 5-Year Parts Warranty.
What’s Included:
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MRCOOL® 6K DIY® 5th Gen Mini-Split Air Handler
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25ft DIYPro™ Communication Cable
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Wireless Remote Control
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Installation Accessories
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MRCOOL® Warranty
Specifications
Specifications at a Glance
| Attribute | Details |
|---|---|
| Voltage | 208/230V |
| Phase | 1 |
| Cycle | 60 Hz |
| Mount Type | Wall-Mounted |
| Color | White |
| Max Coverage Area | 200 sq. ft. |
| Oscillation | Yes |
| Filter Type | Reusable |
| Auxiliary Heater | Not Included / Not Available |
| Fan Only Option | Yes |
| Quiet Mode | Yes |
| Auto Cool | Yes |
| Wi-Fi Enabled | Yes |
| App Compatibility | iOS & Android |
| Remote Included | Yes |
| Batteries Included | Yes |
| UL/ETL Listed | Yes |
| AHRI Certified | Yes |
| Warranty | Lifetime Limited*, 7-Year Compressor, 5-Year Parts |
| Net Dimensions (WxHxD) | 31.57" x 11.69" x 7.44" |
| Gross Dimensions (WxHxD) | 36.02" x 14.37" x 16.34" |
| Net Weight | 24.47 lbs |
| Gross Weight | 35.05 lbs |
| Contains Electronics / Chemicals / Compressed Gas | Yes |
| Proposition 65 Warning | Yes |
Room Size & BTU Coverage Guide
| BTU Rating | Ideal Room Size (Approx.) |
|---|---|
| 6,000 BTU | Up to 250 sq. ft. – great for small bedrooms, offices, or nurseries |
| 9,000 BTU | 250 – 400 sq. ft. – ideal for standard bedrooms or compact living rooms |
| 12,000 BTU | 400 – 600 sq. ft. – suitable for master bedrooms or mid-size areas |
What You Need for a Complete System
For full heating and cooling performance, pair this indoor air handler with:
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MRCOOL® DIY® 5th Gen Multi-Zone Condenser — Powers your climate control system by transferring heat outdoors for reliable heating and cooling.
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MRCOOL® Quick Connect® Pre-Charged Line Set — Connects the air handler to the condenser with pre-charged refrigerant for easy, mess-free installation.
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DIYPro™ Communication Cable (25ft included) — Provides secure, efficient communication between the air handler and condenser.
Optional Accessories:
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MRCOOL® Wall Mount Bracket
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Additional Quick Connect® Line Sets (for extended distances)
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Coupler Kits (if line set extension is needed
This air handler is not a stand-alone unit. It requires connection to a compatible MRCOOL® DIY® 5th Gen Multi-Zone Condenser for full operation.It is not compatible with 3rd or 4th Generation MRCOOL® systems.
Installation
Installation & Guides
Shipping & Returns
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.
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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