MRCOOL DIY 36K BTU Condenser with Pre-Charged Lineset | 3-Ton Outdoor Unit for Large DIY Mini-Split Systems

Everything you need for large-space comfort — high-capacity 36K BTU condenser, 25-ft QuickConnect lineset, and DIYPRO cable included for easy DIY setup.

Introducing the 5th Generation MRCOOL® DIY® 36K BTU Condenser — the ultimate outdoor unit for DIY homeowners needing serious climate control. Designed to heat and cool large areas between 1,000–1,500 sq. ft., this 3-ton system comes with the pre-charged 25-ft QuickConnect® lineset and DIYPRO® cable for a true do-it-yourself installation.

With no refrigerant handling, vacuum pump, or electrical conduit required, you can install a professional-grade mini-split system yourself—no HVAC experience needed.

Key Benefits of This High-Capacity Condenser

✅ Pre-Charged QuickConnect® Lineset Included
The 25-ft lineset is factory-filled with R-454B refrigerant and equipped with quick-connect fittings. Connect and go—no vacuum pump or refrigerant gauges required, eliminating the most complex step of traditional HVAC installation.

✅ DIYPRO® Cable Eliminates Conduit
The rugged DIYPRO® cable combines power and control wiring into one durable, weatherproof line. It resists UV rays, moisture, pests, and physical damage—so you can skip metal conduit and simplify your wiring run.

✅ Gold Fin® Condenser Built for Tough Environments
Featuring Gold Fin® corrosion-resistant technology, this condenser stands up to coastal air, high humidity, and harsh weather, ensuring reliable performance year after year.

✅ Smart Controls for Total Convenience
Manage your comfort with the included remote, the SmartHVAC app (iOS/Android), or hands-free voice commands via Amazon Alexa and Google Assistant.

✅ Energy-Efficient Operation

• 18 SEER rating for efficient large-space comfort

• Timer function to schedule operation and reduce energy use

• Auto Mode automatically switches between heating and cooling to maintain your set temperature

• Auto Restart resumes your settings after a power outage

• Anti-mildew function helps prevent moisture buildup in the paired indoor air handler

What’s Included in the Box

• MRCOOL DIY 36K BTU Outdoor Condenser (5th Gen)

• 25-ft Pre-Charged QuickConnect® Refrigerant Lineset

• DIYPRO® Electrical/Communication Cable

• Wireless Remote Control

• Installation Hardware

What You’ll Still Need (Sold Separately)

• Compatible MRCOOL DIY 36K BTU Indoor Air Handler

• Condenser pad or wall mounting bracket

• Line hide cover kit (recommended for a clean finish)

• Electrical disconnect box (required by most local codes)

Technical Specifications

• Capacity: 36,000 BTU (3-Ton)

• Area Coverage: 1,000–1,500 sq. ft.

• Efficiency: 18 SEER

• Refrigerant: R-454B (pre-charged in lineset)

• Lineset Length: 25 ft with QuickConnect fittings

• Warranty: Limited Lifetime + 7-Year Compressor + 5-Year Parts

Warranty & Reliability

Backed by MRCOOL’s industry-leading protection plan:

• Limited Lifetime Warranty on the condenser coil

• 7-Year Compressor Warranty

• 5-Year Parts Warranty

• Certified and listed by Intertek for safety and performance

Ready to tackle large-space comfort yourself?
This MRCOOL DIY 36K BTU Condenser Bundle delivers the outdoor power, pre-charged lineset, and durable cable needed to connect to a matching indoor air handler—all designed for DIY installation.

Order your condenser bundle today and install a high-capacity mini-split system without calling a pro.

Looking for the complete system? Check out our MRCOOL DIY 36K BTU Full System Bundle with indoor and outdoor units included.