Do I need an HVAC license to buy MRCOOL products?

No! MRCOOL DIY systems are designed for homeowners, contractors, and anyone handy with basic tools. You do not need a license to purchase or install most MRCOOL products.

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Yes. We offer free shipping to the lower 48 states on all full MRCOOL systems and most bundled packages. Smaller items may have calculated rates.

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We are the USA’s most trusted independent MRCOOL dealer. We offer expert support, fast shipping, and exclusive early access to new generation systems and accessories.

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NEW R-454B Refrigerant

MRCOOL 5th Gen ENERGY STAR® DIY Single Zone Mini Split (9k–36k BTU)

Name: MRCOOL 5th Gen ENERGY STAR® DIY Single Zone Mini Split (9k–36k BTU)
Brand: NEW R-454B Refrigerant
SKU: DIY-09-HP-WM-115D25-O
Price: 2329.0 USD
Availability: InStock

MRCOOL 5th Gen ENERGY STAR® DIY Single Zone Mini Split (9k–36k BTU)

$2,329.00 USD

~~$2,724.93 USD~~ $2,329.00 USD

Save $395.93 Sold out

Shipping calculated at checkout.

♻️ ENERGY STAR® Certified for Efficiency

🔧 No HVAC Tech Required

🛠️ Pre-Charged for Easy DIY Setup

SKUDIY-09-HP-WM-115D25-O

TypeGen 5 E-Star Single Zone

Line Set Length 25' Feet

Zone/Room Square Footage 150 - 350 sq/ft (9k BTU) 350 - 500 sq/ft (12k BTU) 500 - 750 sq/ft (18k BTU) 750 - 1000 sq/ft (24k BTU) 1000 - 1500 sq/ft (36k BTU)

Product variants

Quantity

✅ This item is in stock!

25 in stock

Estimated Delivery: September 05 – September 07

Based on order date & typical delivery times.
• Orders Typically ship within 2 business days

Authorized MRCOOL Dealer
5-Star Customer Service
Fast & Secure Shipping

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Have questions or need help selecting the perfect Mini Split system?

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System Overview

DIY Installation
Wall Mounted
Outdoor Operating Temp (Heat): -13°F to 75.2°F
Outdoor Operating Temp (Cool): -13°F to 122°F
Number of Zones: 1

PRODUCT DESCRIPTION

Buy the MRCOOL 5th Gen ENERGY STAR® Single Zone Mini Split

From the USA’s Most Trusted HVAC Dealer – MRCOOL DIY Direct

✅ Choose the Right Size Based on Your Space

Square Footage	Recommended BTU
150 – 350 sq ft	9,000 BTU (9k)
351 – 500 sq ft	12,000 BTU (12k)
501 – 750 sq ft	18,000 BTU (18k)
751 – 1,000 sq ft	24,000 BTU (24k)
1,001 – 1,500 sq ft	36,000 BTU (36k)

🔥 Features & Benefits of the MRCOOL 5th Gen DIY Single Zone

ENERGY STAR® Certified: Save on energy bills with ultra-high efficiency (up to 22 SEER2).
Heating + Cooling: Year-round comfort with powerful heat pump performance.
DIY-Friendly Installation: Pre-charged quick-connect line sets – no vacuum pump or licensed HVAC tech required.
Wi-Fi Smart Control: Adjust temperature and modes remotely using the SmartHVAC app, Amazon Alexa, or Google Assistant.
“Follow Me” Function: Personalized comfort by sensing temperature from the remote’s location.
Quiet Operation: Whisper-quiet indoor air handler and outdoor condenser.

📦 What's Included

Indoor Wall-Mounted Air Handler
Outdoor Condenser Unit
25' Pre-Charged DIY Line Set & Communication Cable
Wireless Remote with “Follow Me” Technology
Installation Accessories & Manual

🛠 Extended Installation Options

Need a longer line set? No problem. MRCOOL DIY Direct offers pre-charged 16’, 25’, 35’, and 50’ line set options with control wire and unions for flexible installation in any home layout.

🛡 Warranty Coverage

7-Year Compressor Warranty
5-Year Parts Warranty
Limited Lifetime Tech Support from MRCOOL DIY Direct

Invest in reliable, energy-efficient comfort today with the 5th Gen MRCOOL DIY Single Zone Mini Split — only at MRCOOL DIY Direct, America’s most trusted HVAC dealer.