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Description
MRCOOL DIY 4th Gen 18K BTU Mini-Split Heat Pump System – Rare R-410A Model, 22 SEER, DIY InstallationRare. Reliable. DIY Friendly. The MRCOOL DIY 4th Generation 18K BTU, 1. 5 Ton, 22 SEER Ductless Mini Split Heat Pump System (DIY 18 HP WM 230C25) is one of the most in demand models of the discontinued R 410A DIY line. Known for its perfect balance of size, efficiency, and ease of installation, this 18K system is ideal for spaces up to 750 sq. ft. If youve been searching for a brand new 4th Gen MRCOOL system, this is your chance. Inventory is
Rare. Reliable. DIY-Friendly.
The MRCOOL DIY 4th Generation 18K BTU, 1.5 Ton, 22 SEER Ductless Mini-Split Heat Pump System (DIY-18-HP-WM-230C25) is one of the most in-demand models of the discontinued R-410A DIY line. Known for its perfect balance of size, efficiency, and ease of installation, this 18K system is ideal for spaces up to 750 sq. ft.
If you’ve been searching for a brand new 4th Gen MRCOOL system, this is your chance. Inventory is extremely limited, and these systems will not be restocked once gone.
🌟 Key Features & Benefits
✔ Rare R-410A DIY System – High Demand, Low Supply
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Proven technology with nationwide service familiarity.
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Discontinued but still sought after for reliability and performance.
✔ High Efficiency, Lower Bills
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22 SEER rating delivers Energy Star-certified savings.
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Inverter technology optimizes heating and cooling performance while cutting energy costs.
✔ Complete DIY Package – What’s Included
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18K BTU Outdoor Condenser Unit
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18K BTU Indoor Wall-Mounted Air Handler
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25 ft. Pre-Charged Line Set with R-410A Refrigerant
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Smart Remote Control with Follow Me Function
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Communication Cable, Wall Bracket & Install Kit
✔ True DIY Installation
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Pre-charged quick-connect line set → no vacuum pumps, gauges, or HVAC license required.
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Install in hours and save hundreds vs. professional installation.
✔ Multiple Comfort Modes
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Cooling, Heating, Dehumidification, Auto, and Sleep modes.
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Whisper-quiet operation designed for uninterrupted comfort.
✔ Smart Control Technology
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WiFi app control from anywhere.
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Compatible with Alexa & Google Assistant.
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“Follow Me” function adjusts comfort to where you are in the room.
✔ Industry-Leading Warranty
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Limited Lifetime Compressor Warranty.
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5-Year Parts and 7-Year Compressor Protection.
📦 Why Choose the MRCOOL 18K 4th Gen?
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✅ Rare R-410A DIY unit – hard to find nationwide.
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✅ 22 SEER Energy Star certified efficiency.
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✅ Perfect size for mid-size spaces (up to 750 sq. ft.).
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✅ Smart-ready – WiFi & voice control included.
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✅ DIY-friendly – Quick-connect install, no pro required.
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✅ Full warranty protection.
🛒 Limited Stock – Order Before It’s Gone!
These 18K BTU MRCOOL DIY 4th Gen systems are no longer being manufactured, making them rare finds in today’s HVAC market. If you want proven R-410A performance and DIY convenience, this is your chance to secure one.
👉 Order now from MRCOOL DIY Direct – America’s most trusted MRCOOL dealer.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy