6K BTU Wall-Mount Air Handler
MRCOOL® 6k DIY 5th Generation Mini-Split Air Handler 230v
Model: DIY-06-HP-WMAH-230D25-O
- Free shipping to the lower 48 · tracking emailed
- 7-yr compressor / 5-yr parts warranty
- No vacuum pump or special tools
- Real install help from people who've done it
Overview
Discover the 5th Generation MRCOOL® DIY® 6k BTU Ductless Heat Pump Single Zone Mini-Split Air Handler—an efficient, compact solution designed to bring year-round comfort to spaces up to 200 sq. ft. Whether you're upgrading a home office, nursery, or walk-in closet, this unit delivers reliable heating and cooling without the need for professional installation.
The included DIYPRO® cable eliminates the need for traditional electrical conduit, streamlining the setup while protecting the system from outdoor elements and wildlife damage.
Once installed, managing your comfort is easy. Use the included wireless remote, access full functionality through the SmartHVAC app on iOS or Android, or control the system hands-free with voice commands via Amazon Alexa or Google Assistant. Built for long-term durability, the outdoor unit is coated with Gold Fin® technology, offering excellent corrosion resistance—especially beneficial for coastal or humid environments.
This unit is designed to maximize efficiency and comfort. The Follow Me® feature, built into the remote, lets the system monitor the temperature where you are and adjust airflow accordingly for more accurate comfort. Dry Mode also enhances indoor air quality by removing excess humidity, helping to create a cooler, fresher environment.
The MRCOOL® DIY® 6K system is supported by comprehensive warranty coverage, including a 7-year compressor warranty and 5-year parts protection, and is also eligible for the MRCOOL® Care Program.
Experience dependable performance, modern smart-home integration, and stress-free installation with the 5th Generation MRCOOL® DIY® 6k BTU Ductless Mini-Split—comfort made simple.
Shipping & returns
Free shipping to the lower 48. Orders are processed within 1–2 business days and we email tracking as soon as your order ships. See our Shipping Policy and Returns & Refunds.
Every wall-mount size
It all mixes and matches.
Every unit here is MRCOOL® DIY® 5th Gen. These are the pieces that pair with this one.
Building a multi-zone? Our system builder checks every combo against MRCOOL's approved matchups.
Four steps. One weekend.
-
Hang the air handler
Level the wall plate, drill the pass-through, and hang the indoor unit.
Indoor -
Set the condenser
Place the outdoor unit on a pad or wall bracket with clearance to breathe.
Outdoor -
Connect the lines
Run the pre-charged Quick Connect® line set and tighten both ends with two wrenches.
Lines -
Power up
Hook up the dedicated circuit, pair the SmartHVAC app, done.
Power
Electrical hookup must follow local code.







