36K BTU Wall-Mount Air Handler
MRCOOL® 36k DIY 5th Generation Mini-split Air Handler 230v
Model: DIY-36-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
The 5th Generation MRCOOL® DIY® 36k BTU Ductless Mini-Split Heat Pump is a powerful and efficient option for heating and cooling spaces up to 1,550 sq. ft. Perfect for large rooms or open areas, this system is designed for true DIY installation—no special tools or professional assistance required. It’s a fast, affordable way to upgrade your home’s comfort.
The included DIYPRO® cable makes installation even easier by eliminating the need for electrical conduit, while offering added protection against outdoor elements and wildlife damage.
Controlling your comfort is simple and flexible. Use the included wireless remote, connect through the SmartHVAC app on iOS or Android, or manage the system hands-free with Amazon Alexa or Google Assistant. With the Follow Me® feature, the system senses the temperature around the remote and adjusts accordingly, providing more precise and even comfort. Dry Mode also helps by reducing humidity and improving indoor air quality.
The outdoor unit includes a corrosion-resistant Gold Fin® condenser coating, ideal for homes in coastal or humid environments.
For further peace of mind, you’ll receive a 7-year compressor warranty and 5-year parts warranty. This system is also eligible for the MRCOOL® Care Program. Enjoy smart control, dependable performance, and easy installation with MRCOOL® DIY®.
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.







