MRCOOL 9,000 BTU DIY 5th Gen Energy Star 22 SEER2 Single Zone Wall Mount Mini Split Heat Pump System w/ 25' Line Set – R454B | 115V

Upgrade your comfort with the MRCOOL DIY® 5th Generation 9,000 BTU Mini Split, an ENERGY STAR® certified system designed specifically for homeowners who want professional-grade climate control without the hassle or cost of hiring an installer. Perfect for rooms up to 400 sq. ft., this single-zone ductless system delivers quiet, efficient heating and cooling all year long — with an ultra-simple DIY setup that most people can complete in just a few hours.

The included 25-foot Quick Connect® line set comes pre-charged with eco-friendly R-454B refrigerant, allowing for fast, tool-free installation without handling refrigerants. The MRCOOL SmartHVAC app and built-in Wi-Fi capability let you control your system remotely from your smartphone or integrate it with Amazon Alexa or Google Assistant for voice-activated convenience.

Whether you’re upgrading a bedroom, sunroom, garage, or home office, this system offers a sleek, modern design and whisper-quiet operation to enhance your space without disruption.

✅ Key Features:

• 9,000 BTU Capacity – Ideal for spaces up to 400 sq. ft.

• ENERGY STAR® Certified – High-efficiency performance for reduced energy bills

• Easy DIY Installation – No special tools or HVAC license required

• 25ft Pre-Charged Line Set – Quick Connect® system uses environmentally friendly R-454B refrigerant

• Wi-Fi Enabled + Smart Home Ready – Works with Alexa, Google Assistant, and the MRCOOL SmartHVAC app

• Heating & Cooling in One Unit – Year-round comfort, even in extreme temperatures

• Whisper-Quiet Operation – Low indoor noise levels for undisturbed comfort

• 7-Year Compressor & 5-Year Parts Warranty – Backed by MRCOOL’s trusted support

This system is perfect for homeowners, DIYers, and renovators looking for a reliable, cost-effective way to improve indoor comfort with cutting-edge technology and minimal installation effort.