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.