MRCOOL® 9k DIY 5th Generation Mini-Split Air Handler 230v

Upgrade your space with the perfect balance of power, efficiency, and simplicity using the MRCOOL® 9K DIY 5th Generation Mini-Split Air Handler (230V). Built for medium-sized rooms, this system delivers reliable year-round heating and cooling—without the need for professional installation.

With 9,000 BTU of heating and cooling capacity, this air handler is perfect for:

• Bedrooms
• Garages
• Offices
• Additions

It efficiently covers areas up to ~400 sq. ft., providing consistent comfort in both hot and cold conditions.

Designed for homeowners and DIYers, this system eliminates the need for expensive HVAC labor:

• Pre-charged QuickConnect® line set (no vacuuming required)
• No special tools or certifications needed
• Faster, more affordable setup

This makes it one of the easiest mini split systems to install on the market.

With an impressive up to 22.5 SEER2 rating, this unit delivers:

• Lower energy consumption
• Reduced utility costs
• Consistent temperature control

Perfect for maintaining comfort without driving up your energy bill.

Take control of your climate from anywhere with multiple control options:

• Wireless remote control
• SmartHVAC® app (iOS & Android)
• Voice control via Alexa & Google Assistant

Adjust temperature, modes, and fan speed with ease.

The built-in Follow Me® function uses the remote as a temperature sensor, automatically adjusting airflow based on your location for personalized comfort.

Dry Mode helps reduce humidity levels, improving air quality and comfort—especially in garages or humid environments.

• Gold Fin® coating for corrosion resistance
• Durable construction for extended lifespan
• Designed to perform in a wide range of climates
• The included DIYPRO® cable eliminates the need for electrical conduit, making installation cleaner, faster, and more durable against outdoor elements

Ideal for

• Bedrooms & living spaces
• Garages & workshops
• Home offices
• Additions & renovations

If you need a step up in power from a 6K unit, the MRCOOL 9K delivers stronger performance while keeping installation simple and cost-effective. It’s the perfect solution for medium-sized spaces where comfort, efficiency, and ease of installation matter most.