36k BTU MRCOOL DIY Ductless Wall Mounted Air Handler - 3rd Generation

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Upgrade your indoor comfort system with the 36k BTU MRCOOL DIY Ductless Wall Mounted Air Handler - 3rd Generation, designed for simple installation and powerful performance. This air handler connects easily to a compatible MRCOOL DIY condenser and provides up to 32k BTUs of heating and cooling power—enough to handle areas up to 1,500 square feet. Whether it’s a sweltering summer day or a chilly winter night, this unit delivers year-round comfort without the complexity of traditional systems.

Designed with user convenience in mind, the 36k BTU MRCOOL DIY Air Handler features AUTO, SLEEP, TIMER, and DRY modes to adapt to your lifestyle and preferences. Maintenance is simple, thanks to alert systems that notify you of refrigerant leaks or when the filter needs cleaning. The unit also includes an Anti-Mildew Function to help preserve air quality, and a louver memory function to retain your preferred airflow settings. If the power goes out, the unit’s auto-restart function ensures it returns to operation seamlessly when power is restored.

This system is also smart-home ready, offering full compatibility with Google Assistant, Amazon Alexa, and both Apple and Android devices. It includes a remote control for added convenience and runs quietly so it won’t disrupt your day. Whether you're installing in a home office, living room, or bedroom, the MRCOOL DIY Air Handler is a reliable, efficient, and flexible choice.

Specifications

Resources

• DIYB Customer Brochure (PDF)
• DIYB Installation Manual (PDF)
• DIYB Quick Start Guide (PDF)
• DIYB Warranty Sheet (PDF)

What's Included

• MRCOOL DIY-36-HP-WMAH-230B
• Owner Manual
• Lifetime Tech Support

Warranty

• 5-Year Parts Warranty
• 7-Year Compressor Warranty
• Extendable to Limited Lifetime Warranty upon registration