18000 BTU MRCOOL DIY 5th Gen 22.5 SEER2 1.5 Ton Mini-Split Heat Pump Complete System 25 ft. Pre-Charged Line Set 115-Volt-R454B

Description

It may sound impossible to install your own HVAC system, but the MRCOOL DIY 5th Generation 18,000 BTU 22.5 SEER2 Ductless Mini-Split Heat Pump & AC System is built to make it easy. Designed for true DIY installation, it requires no professional tools or experience, and efficiently heats or cools areas from 750–900 sq. ft.

The 25 ft pre-charged Quick Connect® line set arrives ready with R-454B refrigerant, a chlorine-free, eco-friendly option that eliminates the need for vacuuming and reduces setup time. The included DIYPRO® cable replaces traditional electrical conduit, offering durable protection from weather, animals, and yard tools, ensuring safe, long-lasting performance.

Take full control of your comfort your way—with the wireless remote, the MRCOOL SmartHVAC app for Apple or Android, or hands-free voice commands via Amazon Alexa and Google Assistant.

Built to last, the Gold Fin condenser offers superior corrosion resistance, ideal for coastal or humid environments. Multiple operating modes provide customized comfort and efficiency, including:

• Timer Mode for energy savings

• Auto Mode for effortless temperature control

• Sleep Mode for nighttime comfort

• Auto Restart after power loss

• Anti-Mildew Function to prevent moisture buildup

With innovative technology, smart control, and an easy installation process, the MRCOOL DIY 5th Gen 18K BTU Mini-Split System delivers powerful, reliable, and efficient comfort year-round.

Key Features:

• • 18,000 BTU Capacity – Perfect for spaces up to 900 sq. ft.

  • ENERGY STAR® Certified – Delivers superior efficiency and energy savings

  • Do-It-Yourself Installation – No HVAC tools or licenses needed

  • 25ft Pre-Charged Line Set – Quick Connect® system with eco-friendly R-454B refrigerant

  • Inverter Technology – Maintains consistent temperature while minimizing energy use

  • Smart Home Ready – Compatible with Amazon Alexa, Google Assistant & MRCOOL SmartHVAC app

  • All-Season Performance – Reliable heating and cooling, even in extreme weather

  • Ultra-Quiet Operation – Enjoy powerful comfort without the noise

  • 7-Year Compressor & 5-Year Parts Warranty – Dependable support and protection

Product Information:
Model #DIY-18-HP-WM-230D25-O

Helpful links below:

• DIY 5 Gen Quick Start Guide
• MRCOOL ADVANTAGE Installation Manual
• MRCOOL ADVANTAGE Owners Manual
• MRCOOL ADVANTAGE Remote Manual
• MRCOOL ADVANTAGE Smart Controller Manual
• MRCOOL ADVANTAGE Warranty Doc

Shipping & Delivery

We understand how important fast and reliable shipping is for your online purchase. That’s why we make every effort to ship your order within 24–36 hours of receipt. You’ll never encounter hidden fees, and we’ll send you your tracking information as soon as it becomes available. We partner with trusted freight carriers to ensure your unit is delivered quickly and safely once it leaves our warehouse.

If you have any questions about your shipment, please contact us at 1-888-510-1597.
Note: Orders shipping outside the continental U.S. will incur an additional shipping fee.

Shipping Damage & Missing Items

Before signing for your shipment, inspect all packages carefully for any damage or missing items. If you discover any issues, note them on the delivery receipt before accepting the shipment.

While PAYLESS MINI SPLIT  is not responsible for shipping damage, we’re happy to assist you in filing a claim with the carrier to recover the cost of damages. Claims can only be filed if damages or missing items are noted prior to signing for delivery.

Take your time during inspection, do not let the driver rush you. You have the right to check each item. If the driver refuses to wait or allow inspection, call us immediately at 1-888-510-1597 for assistance from our claims department.

Please note that shipping damage claims must be filed within 72 hours of delivery, or the carrier may deny the claim.