MRCOOL® DIY® 5th Gen 6K BTU Wall-Mounted Air Handler 230V

MODEL: DIY-06-HP-WMAH-230D25-O

Compact Comfort for Smaller Rooms.

Need heating and cooling for a small bedroom, nursery, office, closet, or compact living space?

The MRCOOL® DIY® 5th Gen 6K BTU Wall-Mounted Air Handler is designed to deliver efficient comfort in smaller rooms up to around 200 sq ft when paired with a compatible MRCOOL® DIY® 5th Gen multi-zone condenser.

This indoor air handler gives your room its own comfort zone, allowing you to control temperature, airflow, quiet mode, fan-only operation, dry mode, and smart settings from the included remote or through app-based control.

Built for MRCOOL® DIY® 5th Gen multi-zone systems, this 230V wall-mounted air handler features a clean white design, reusable filter, Follow Me® comfort sensing, WiFi compatibility, and smart-home control through Amazon Alexa and Google Assistant.

Compact. Smart. Efficient. Built for small-room comfort.

Why You’ll Love It

✅ 6K BTU wall-mounted air handler
✅ Ideal for smaller rooms up to around 200 sq ft
✅ Designed for compatible MRCOOL® DIY® 5th Gen multi-zone systems
✅ Clean white wall-mounted design
✅ WiFi and app compatible
✅ Works with Amazon Alexa and Google Assistant
✅ Follow Me® comfort sensing
✅ Quiet Mode for lower sound comfort
✅ Auto Cool and Fan Only options
✅ Reusable filter
✅ Remote control included
✅ DIYPRO® cable compatible
✅ 5-Year Parts / 7-Year Compressor base warranty coverage when used as part of an eligible system

Best For

Small Bedrooms • Nurseries • Home Offices • Walk-In Closets • Small Guest Rooms • Compact Spaces • Multi-Zone Mini-Split Systems • MRCOOL® DIY® 5th Gen Installations

What You Need for a Complete System

This product is an indoor air handler only.

For full heating and cooling performance, this air handler must be paired with compatible MRCOOL® DIY® 5th Gen multi-zone equipment.

Required for a complete system:

• MRCOOL® DIY® 5th Gen Multi-Zone Condenser — powers the system and connects multiple indoor zones.
• MRCOOL® Quick Connect® Pre-Charged Line Set — connects the indoor air handler to the outdoor condenser.
• DIYPRO® Cable — supports communication between the indoor air handler and outdoor condenser.

Wireless Remote Control — included with the air handler for room-by-room comfort control.

Optional accessories:

MRCOOL® Wall Mount Bracket

Additional Quick Connect® Line Sets

Coupler Kits, if line set extension is required

Important: This air handler is not a stand-alone unit. It requires a compatible MRCOOL® DIY® 5th Gen multi-zone condenser for operation.

Compatibility note: This air handler is designed for compatible MRCOOL® DIY® 5th Gen systems and is not compatible with MRCOOL® 3rd or 4th Generation systems.