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DIY-24-HP-WMAH-230C25 DIY 4th Generation Heat Pump Wall Mount Air Handler, 20.5 SEER Rating, 24K BTU

Regular price $824.00 USD
Regular price Sale price $824.00 USD
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Shipping calculated at checkout.

Benefits & Features

✅ SmartHVAC App: WIFI control for remote management.
✅ Easy Connection: Quick DIY installation for hassle-free setup.
✅ Fits in Any Home: Sleek design suitable for most interior walls.
✅ Pre-Charged Line Set: Enables straightforward installation.
✅ Environmentally Friendly: Uses R-410A refrigerant.


Item Color: White
Item Dimension: 42.52" (W) x 8.90" (D) x 13.19" (H)
Item Weight: 35.27 lbs

Liquid Line Size: 3/8"
Suction Line Size: 5/8"
Refrigerant Type: R-410A

Decibel Rating: 48.5/43.5/33 dBA
Noise Level (Low): 33 dBA
Noise Level (High): 48.5 dBA

SEER: 20.5
Cooling Capacity: 23,000 BTU
Heating Capacity: 25,000 BTU
Mount Type: Wall Mount
Line Set Length (Max): 98.42ft
Coverage Area (Max): Up to 1000ft²
Blower Motor: 1200/1000/700 RPM

Phase: 1
Cycle: 60
Voltage: 208-230

Prop 65 Warning: YES

Elevate your indoor climate control with the MRCOOL® DIY 24K BTU Ductless Wall Mounted Air Handler, boasting an impressive 20.5 SEER efficiency rating for spaces up to 1000 sq. ft. Seamlessly manage your comfort with various modes including COOL, HEAT, AUTO, DRY (dehumidify), and SLEEP via the Smart HVAC app. Its lightweight design and compatibility with MrCool’s Pre-Charged Quick Connect Line Set ensure straightforward installation without the need for vacuuming.


  • DIY Pro™ Cable (added safety feature to protect wiring from outside elements)

Matchup this with other MrCool Outdoor Multi-Zone Condensers:


Install Manual,
Service Manual,
Remote Manual,
Specification Sheet,

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Frequently Asked Questions about the DIY-24-HP-WMAH-230C25 DIY 4th Generation Heat Pump Wall Mount Air Handler, 20.5 SEER Rating, 24K BTU

What is a wall mount air handler?

A wall mount air handler is a device used in HVAC systems to distribute conditioned air into a living or working space. It is typically mounted on a wall and contains components for both heating and cooling.

How does a wall mount air handler work?

The unit pulls in air from the space, conditions it using a refrigeration cycle, and then distributes the conditioned air back into the room through the wall-mounted unit.

What are the advantages of wall mount air handlers?

Wall mount air handlers are space-saving, provide efficient heating and cooling, and offer flexibility in installation, making them suitable for various applications.

Can I install a wall mount air handler in any room?

Yes, wall mount air handlers are designed to fit in most interior spaces, providing versatility and adaptability to different room layouts.

How do I control a wall mount air handler?

Many wall mount air handlers, including the MRCOOL® DIY model, can be controlled through a SmartHVAC app on your Apple or Android smartphone.