MRCOOL® 24k DIY 5th Generation Mini-split Air Handler 230v
Component — Not a Complete System
This is the indoor unit only. To run, you also need a matching outdoor condenser and a refrigerant line set. Looking for the complete system instead? Browse complete systems.
SKU DIY-24-HP-WMAH-230D25-O
With Incentives
Save up to $5795th Generation system — meets CEE Tier 2 efficiency. Find your state's rebate
Customize it — compatible add-ons only
Diameter matched to this unit per MrCool's spec sheet.
Clean channel for the lines running down your exterior wall.
Universally compatible tools and care items — maintenance kit, coil cleaner, install tools.
MrCool DIY factory warranty — register after install to activate the full coverage tiers.
Sizing Help
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Resources
Brochures & Manuals
Description
MRCOOL® 24k DIY 5th Generation Mini-split Air Handler 230v
What's in the Box
Here's what you'll receive with your order
Wall-Mount Air Handler
Indoor ductless mini-split unit
Wireless Remote Control
Handheld remote with temperature control
Mounting Plate & Hardware
Wall mounting bracket and screws
Owner Manual
Installation and operation guide
Key Specifications
1050sq ft
Coverage Area
208/230V
Voltage
MRCOOL® 24k DIY 5th Generation Mini-split Air Handler 230v — Model Details
What this specific model is sized for, how it installs, how it performs, and what it costs to run.
Power & Electrical Requirements
Power requirement: 208/230V 1-phase 60Hz (standard US residential 240V service). Minimum circuit ampacity is 3A with a maximum overcurrent protection of 15A. Wire the outdoor unit with 14 AWG copper on a dedicated 15A double-pole breaker (or single-pole at 120V), with a disconnect within sight of the condenser per NEC 440.14.
Install Difficulty — DIY-Friendly
This DIY 5th gen Single-Zone Mini-splits system ships with a pre-charged Quick Connect line set — no HVAC license, no vacuum pump, no refrigerant gauges. The pre-charged fittings use a hand-tightened mechanical seal that a homeowner completes in 15 minutes per connection. Typical install time from unboxing to first cool air is 4–8 hours for a single-head system.
Sound Level & Comfort Features
Operating sound level ranges from 20 dB(A) on low to 54 dB(A) on high — the low end is whisper-quiet, below a normal conversation (60 dB) and comparable to a library reading room. The indoor blower offers 5 fan speeds plus auto mode, letting you trade airflow for quiet operation in bedrooms while running louder in living areas. Quiet mode caps fan speed and compressor rpm for an extra 2–3 dB drop in sound output.
Warranty & Certifications
Manufacturer warranty: 5 on parts, 7 on the compressor. AHRI certified and UL/ETL listed for North American electrical safety — required for most utility rebate and tax credit programs.
Product Details
The 5th Generation MRCOOL® DIY® 24K BTU Ductless Mini-Split Heat Pump is a highly efficient solution for heating and cooling spaces up to 1050 sq. ft. Designed for hassle-free DIY installation, it eliminates the need for special tools or professional assistance, making setup quick, easy, and budget-friendly. A key advantage of this system is the pre-charged 25-foot DIY® QuickConnect® line set, which comes filled with R-454B refrigerant. This removes the need for vacuuming, significantly reducing installation time and expenses. The included DIYPRO® cable further simplifies setup by eliminating the need for electrical conduit, while also enhancing durability and resistance to outdoor elements and wildlife. Managing your comfort is effortless with multiple control options. Adjust settings with the wireless remote, the SmartHVAC app for Apple and Android devices, or voice commands via Amazon Alexa and Google Assistant. For enhanced comfort, the Follow Me function allows the system to detect and adjust temperatures based on the remote’s location, ensuring even distribution. Additionally, Dry Mode helps maintain a comfortable indoor environment by reducing excess humidity. Built for long-term performance, the outdoor unit’s Gold Fin® Condenser provides superior corrosion resistance, ideal for coastal environments. With industry-leading warranties—including a limited lifetime warranty, a 7-year compressor warranty, and a 5-year parts warranty—this MRCOOL® DIY® system delivers reliable, year-round comfort with innovative smart features and easy installation.
Specifications
| Voltage | 208/230 V |
| Coverage Area | 1050 sqft sq ft |
| Tonnage | 2 Ton |
| Phase | 1 |
| Liquid Line Size | 3/8 |
| Suction Line Size | 5/8 |
Features
- NEEP ccASHP Listed
- Intertek listed 5031495
- Easy DIY installation
- Future-proof your investment with the included DIYPro® cable, eliminating the need for electrical conduit.
- Keep the included remote close by, and MRCOOL DIY®'s Follow Me® function will track the air temperature around you to ensure maximum comfort.
- The MRCOOL® Smart HVAC Controller® Module and App fully support Google Assistant & Amazon Alexa out of the box.
Frequently Asked Questions
Everything you need to know about this product
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Ships Nationwide — Shop by State
We deliver the MRCOOL® 24k DIY 5th Generation Mini-split Air Handler 230v to all 50 states via FedEx, UPS, and truck freight. Each state page lists local rebate programs and utility incentives.