MRCOOL® E Star DIY 4th Gen 24k BTU Ductless Mini-Split Air Handler 230V/60Hz
MODEL: DIY-24-HP-WMAH-230C25
Product Description
Whole-Home Comfort for Spaces Up to 1,000 sq. ft.
The MRCOOL® DIY 4th Gen 24K BTU Wall Mounted Air Handler is your go-to solution for powerful, energy-efficient climate control in large spaces. Engineered to pair seamlessly with MRCOOL® DIY condensers, this unit delivers up to 20.5 SEER performance and comfortably handles rooms up to 1,000 sq. ft. Whether you're cooling a wide living area or heating a spacious home office, this ENERGY STAR® certified unit does it all—quietly and efficiently.
With multiple operating modes (COOL, HEAT, AUTO, DRY, and SLEEP), this smart air handler adapts to your needs year-round. Control it hands-free via Alexa or Google Assistant, or stay connected anywhere with the SmartHVAC® app for iOS and Android.
Installation is a breeze with the included mounting plate and compatibility with MRCOOL®’s patented Pre-Charged Quick Connect® Line Sets—preloaded with R-410A refrigerant and ready to connect without vacuuming or specialty tools.
Why You’ll Love It
✅ Cools & Heats Large Areas — Ideal for open living rooms, master bedrooms, basements, or small apartments (up to 1,000 sq. ft.)
✅ True DIY Setup — Installs quickly with MRCOOL® Pre-Charged Quick Connect® Line Sets
✅ Energy Efficient — Up to 20.5 SEER rating for lower energy bills and optimal comfort
✅ Smart Home Ready — Control via SmartHVAC® app, Alexa, or Google Assistant
✅ Ultra-Quiet Operation — Operates as low as 33 dBA
✅ Safety-First — Includes DIY Pro™ Cable for safe, outdoor-rated wiring
✅ Industry-Leading Warranty — Lifetime Compressor (with registration), 7-Year Compressor, 5-Year Parts
Specifications at a Glance
| Attribute | Details |
|---|---|
| Cooling Capacity (BTU) | 23,000 |
| Heating Capacity (BTU) | 25,000 |
| Max Coverage Area | Up to 1,000 sq. ft. |
| Voltage | 208–230V |
| SEER | Up to 20.5 |
| Mount Type | Wall |
| Refrigerant Type | R-410A |
| Decibel Rating (dBA) | 33 (Low) – 48.5 (High) |
| Blower Motor RPM | 1200 / 1000 / 700 |
| Liquid Line Size | 3/8” |
| Suction Line Size | 5/8” |
| Max Line Set Length | 98.42 ft |
| Wi-Fi Enabled | Yes |
| App Compatibility | iOS & Android |
| Remote Control Included | Yes |
| ENERGY STAR® Certified | Yes |
| Warranty | Lifetime Compressor (with registration), 7-Year Compressor, 5-Year Parts |
| Net Dimensions (WxHxD) | 42.52” x 13.19” x 8.90” |
| Net Weight | 35.27 lbs |
What’s Included:
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MRCOOL® 24K BTU 4th Gen Wall Mounted Air Handler (208-230V)
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Remote Control
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Mounting Plate
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SmartHVAC® Module
- MRCOOL® Warranty Documents
What You Need for a Complete System
This unit requires pairing with:
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Compatible MRCOOL® DIY® 4th Gen Multi-Zone Condenser
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Pre-Charged Quick Connect® Line Sets (sold separately)
Installation & Manuals
Shipping Policy
At Cool Heat Direct, we offer free curbside delivery on all MRCOOL product orders via FedEx Ground, FedEx Freight, or trusted carriers depending on order size.
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Deliveries are made to the curbside — please arrange assistance for heavy or large items, as drivers do not carry items indoors or upstairs.
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Tracking details will be sent within 3–5 business days after placing your order.
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Freight shipments are scheduled directly by the carrier using the contact information you provide at checkout.
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Please inspect your shipment upon delivery and report any visible damage on the delivery receipt.
👉 Click here for our full Shipping Policy
Return Policy
We want you to love your purchase from Cool Heat Direct. If you need to return an item:
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Contact us within 30 days of delivery.
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Items must be unused, uninstalled, and in their original packaging.
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A 35% restocking fee applies to all approved returns.
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Accessories such as line sets, wall mounts, and couplers are non-returnable.
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Return shipping is the customer’s responsibility unless the item is damaged or defective on arrival.
To start a return, please email us at support@coolheatdirect.com with your order number and reason for return.
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