MRCOOL® E Star DIY 4th Gen 24k BTU Ductless Mini-Split Air Handler 208-230V/60Hz
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 23,000 BTU systems.
SKU DIY-24-HP-WMAH-230C25
High demand — limited stock available
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® E Star DIY 4th Gen 24k BTU Ductless Mini-Split Air Handler 208-230V/60Hz
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
23000BTU
Cooling Capacity
Up to 1000sq ft
Coverage Area
208-230V
Voltage
48.5/43.5/33dBA
Noise Level
25000BTU
Heating Capacity
MRCOOL® E Star DIY 4th Gen 24k BTU Ductless Mini-Split Air Handler 208-230V/60Hz — Model Details
What this specific model is sized for, how it installs, how it performs, and what it costs to run.
Room & Space Coverage — 23,000 BTU
The MRCOOL® E Star DIY 4th Gen 24k BTU Ductless Mini-Split Air Handler 208-230V/60Hz delivers 23,000 BTU of cooling and heating capacity, sized for spaces up to 1,000 sq ft in standard 8-ft ceiling rooms with average insulation. At this capacity the unit handles medium primary rooms, master suites with attached bath, converted garages, and workshops. If your space includes a sunny west-facing wall or a finished bonus room above it, lean toward the upper end of the coverage range.
Power & Electrical Requirements
Power requirement: 208-230V 1-phase 60Hz (standard US residential 240V service).
Install Difficulty — DIY-Friendly
This DIY 4th Gen Wall Mount Air Handler 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. The system supports line set lengths up to 98.42ft; longer runs are available as accessory kits. Plan the shortest practical route — every 10ft of line set adds roughly 2% capacity loss. Ships with R-410A refrigerant. R-410A is a mature, widely-serviced refrigerant; service technicians and parts are available at any HVAC supply house.
Sound Level & Comfort Features
Operating sound level ranges from 33 dB(A) on low to 48.5 dB(A) on high — the low end is whisper-quiet, below a normal conversation (60 dB) and comparable to a library reading room. Quiet mode caps fan speed and compressor rpm for an extra 2–3 dB drop in sound output.
Warranty & Certifications
When you register your unit within 60 days of purchase you get Limited Lifetime Compressor on the compressor through MrCool's registered warranty program. Unregistered coverage drops to 5-year Parts / 7-year Compressor — registration takes 3 minutes at mrcool.com and is the highest-ROI post-purchase step you can take. AHRI certified — required for most utility rebate and tax credit programs.
What's in the Box & Compatibility
Ships as a Mini Split with remote control included.
Product Details
The MRCOOL® 4th Generation DIY 24K BTU Ductless Wall Mounted Air Handler offers the performance you need to compliment your MRCOOL® DIY system. When connected to a MRCOOL® condenser, this air handler has the ability to reach a 20.5 SEER efficiency rating. It also has the power to deliver air to an area of up to 1,000 sq. ft. To make sure it can handle your needs, it is also equipped with multiple operating modes which include COOL, HEAT, AUTO, DRY (dehumidify), and SLEEP. With the use of the Smart HVAC app, it also has the ability to be operated from your Apple or Android smartphone. With its compact design and easy to use mounting plate, this air handler can be mounted to most interior walls. It is also meant to be used with the MrCool Pre-Charged Quick Connect Line Set to further the ease of installation. This line set is equipped with MrCool’s patented quick connectors, so it can be connected with use of only simple hand tools. It also precharged from the factory with the correct amount of R-410A refrigerant and requires no vacuuming once connected. The MrCool 4th Generation DIY 24 BTU Ductless Wall Mounted Air Handler is equipped with the power and performance to satisfy air conditioning needs of your home.
Specifications
| Cooling Capacity | 23,000 BTU |
| Heating Capacity | 25,000 BTU |
| Voltage | 208-230 V |
| Refrigerant | R-410A |
| Noise Level | 48.5/43.5/33 dBA |
| Coverage Area | Up to 1000 sq ft |
| Max Line Set | 98.42 ft |
| Phase | 1 |
| Refrigerant Type | R-410A |
| Liquid Line Size | 3/8 |
| Suction Line Size | 5/8 |
Features
- SmartHVAC app: WIFI control - control your DIY anywhere with your Apple or Android smart device and an Internet connection
- Standard 7-year compressor/5-year parts warranty; register for limited lifetime compressor warranty
- Compatible with Amazon Alexa and Google Assistant
- Includes the new DIY Pro™ Cable, an added safety feature to protect the wiring from the outside elements
Frequently Asked Questions
Everything you need to know about this product
What size room will the MRCOOL® E Star DIY 4th Gen 24k BTU Ductless Mini-Split Air Handler 208-230V/60Hz cool?
Can I install this myself without an HVAC license?
What electrical circuit do I need for installation?
How fast does HVACZAR ship this unit?
What if it arrives damaged or I change my mind?
What is the warranty on the MRCOOL® E Star DIY 4th Gen 24k BTU Ductless Mini-Split Air Handler 208-230V/60Hz?
How long does shipping take?
What size room does 23,000 BTU cover?
Do you offer returns?
How can I pay?
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Ships Nationwide — Shop by State
We deliver the MRCOOL® E Star DIY 4th Gen 24k BTU Ductless Mini-Split Air Handler 208-230V/60Hz to all 50 states via FedEx, UPS, and truck freight. Each state page lists local rebate programs and utility incentives.