MRCOOL® DIY® 5th Gen · Wall-Mount Air Handler

9K BTU Wall-Mount Air Handler

MRCOOL® 9k DIY 5th Generation Mini-split Air Handler 115v

Model: DIY-09-HP-WMAH-115D25-O

$745.00Free shipping
9KBTU
115VPower
  • 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

Check out the new 5th Generation MRCOOL® DIY® 9k BTU Ductless Heat Pump Single Zone Mini-Split Air Handler. Designed for an easy and hassle-free installation, this system requires no special tools or prior experience and effectively heats or cools spaces up to 400 sq. ft.

The included DIYPRO® cable removes the need for electrical conduit, offering added durability against the outdoor elements and wildlife.

Control is effortless with multiple options, including the wireless remote, the SmartHVAC app for Apple and Android devices, and hands-free voice commands via Amazon Alexa and Google Assistant. The Gold Fin® condenser provides superior corrosion resistance for coastal homes, ensuring long-lasting performance in harsh conditions.

Designed for both comfort and efficiency, the system's wireless remote features the innovative Follow Me® function, which allows the air handler to adjust airflow temperature based on the remote's location, maintaining consistent comfort throughout the room. Additionally, Dry Mode helps reduce humidity by acting as a dehumidifier, removing excess condensation.

Backed by an industry-leading warranty that includes 7-year compressor and 5-year parts coverage and is eligible for the MRCOOL® Care Program—the 5th Generation MRCOOL® DIY® 9k BTU Ductless Heat Pump Single Zone Mini-Split Air Handler is built for lasting reliability. Enjoy advanced technology, simple installation, and year-round comfort with confidence.

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.

Works with

It all mixes and matches.

Every unit here is MRCOOL® DIY® 5th Gen. These are the pieces that pair with this one.

115V wall-mounts run single-zone with a matching 115V condenser. For multi-zone, choose the 230V version.

How it goes in

Four steps. One weekend.

  1. Hang the air handler

    Level the wall plate, drill the pass-through, and hang the indoor unit.

    Indoor
  2. Set the condenser

    Place the outdoor unit on a pad or wall bracket with clearance to breathe.

    Outdoor
  3. Connect the lines

    Run the pre-charged Quick Connect® line set and tighten both ends with two wrenches.

    Lines
  4. Power up

    Hook up the dedicated circuit, pair the SmartHVAC app, done.

    Power

Electrical hookup must follow local code.