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DIY-09-HP-WMAH-230D25-O
MRCOOL DIY® 5th Gen 9,000 BTU Multi-Zone Mini Split Air Handler 230V
$532.00$675.64
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- Description
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Description
Ductless Mini Split Comfort with True DIY Installation
The 9,000 BTU MRCOOL DIY® 5th Gen Multi-Zone Air Handler is designed to deliver efficient heating and cooling in medium-size rooms while integrating seamlessly into a multi-zone ductless mini split system. Built for use with MRCOOL 5th Gen multi-zone condensers, this wall-mounted indoor unit provides reliable year-round comfort with modern control options and DIY-focused compatibility.
Engineered for rooms up to 400 sq. ft., this air handler uses R-454B refrigerant and operates on 208–230V power, making it a suitable option for bedrooms, offices, and shared living spaces within a multi-zone layout.
Important Compatibility Notice
This air handler is pre-charged with R-454B refrigerant and is not compatible with R-410A systems.
Use only with MRCOOL DIY® 5th Gen R-454B multi-zone condensers and matched components
Recommended Room Coverage:
- Coverage Area: Up to 400 sq. ft.
- Ideal Spaces: Bedrooms, home offices, dens, or similar medium-size rooms
- System Type: Multi-zone ductless mini split configuration
Key Features & Benefits
- 9,000 BTU Heating & Cooling Capacity - Designed to maintain consistent indoor temperatures in spaces up to 400 sq. ft. as part of a multi-zone ductless mini split system.
- Multi-Zone System Compatibility -Built specifically for MRCOOL DIY® 5th Gen multi-zone condensers, allowing multiple indoor units to operate from a single outdoor system.
- R-454B Refrigerant - Uses a lower-GWP refrigerant compared to R-410A, aligning with updated efficiency and environmental standards.
- DIY-Focused Design - Compatible with MRCOOL QuickConnect® pre-charged line sets, supporting vacuum-free installation when paired with the correct condenser.
- Smart Control Options - Operate the unit using the included remote or through the SmartHVAC app, with support for Amazon Alexa and Google Assistant.
- Follow Me® Temperature Sensing - The remote sensor helps regulate temperature based on where the remote is located, improving comfort accuracy.
- Dry Mode Function -Helps reduce indoor humidity during damp conditions for improved comfort.
- Wall-Mounted Indoor Unit - Compact design fits cleanly into residential spaces without ductwork.
Specifications & Dimensions
- Model Number: DIY-09-HP-WMAH-230D25-O
- Cooling Capacity: 9,000 BTU/h
- Heating Capacity: 9,000 BTU/h
- Power Supply: 208–230V, 60Hz, Single Phase
- Recommended Coverage: Up to 400 sq. ft.
- Refrigerant Type: R-454B
- Line Set Size: 1/4" Liquid x 3/8" Gas
- Communication Cable: 4-conductor (included)
- Control Options: Remote, SmartHVAC App, Alexa, Google Assistant
- Follow Me Function: Yes
- Dry Mode: Yes
- Mounting Type: Wall-Mounted
- Dimensions (W × D × H): Approx. 31.5" × 7.5" × 11.75"
- Net Weight: Approx. 18–20 lbs
Frequently Asked Questions
Is this a complete mini split system?
No. This is an indoor air handler only and must be paired with a compatible MRCOOL DIY® 5th Gen multi-zone condenser.
What size room is this air handler designed for?
It is rated for spaces up to 400 sq. ft., depending on layout and insulation.
Can this be used with older MRCOOL systems?
No. This unit uses R-454B refrigerant and is only compatible with 5th Gen MRCOOL DIY systems.
Does it support smart controls?
Yes. It works with the SmartHVAC app and supports Amazon Alexa and Google Assistant.
Best Price Guarantee!
Best Price Guarantee
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Why Buy From Us
Why Buy From Wild Oak Trail?
We’re a family-run business. My Wife Hailey and I run this business with our small staff of 3 awesome people. When you shop with Wild Oak Trail, you're supporting real people, not a big corporation.
We truly care. We’re here before, during, and after your purchase. Good products and great service—that’s how we earn your trust. We see and celebrate EVERY sale that comes in!
We choose quality. If we wouldn’t use it ourselves, we won’t offer it. Our goal is to make you happy enough to tell your friends.
Thanks for supporting our family and being part of the Wild Oak Trail community!