MRCOOL DIY 5th Gen Air Handler — All Sizes Comparison

MRCOOL DIY 5th Gen Air Handler Comparison

DIY Installation R-454B Refrigerant Energy Efficient

The Perfect Climate Control Solution for Your Home

The MRCOOL DIY 5th Gen Air Handler series offers an innovative, user-friendly approach to home heating and cooling. Designed for true do-it-yourself installation, these systems eliminate the need for specialized tools or professional HVAC technicians, making premium comfort accessible to everyone. With advanced R-454B refrigerant technology, they deliver superior energy efficiency and environmental responsibility. Whether you\'re looking to cool a single room or an entire living space, the DIY 5th Gen Air Handlers provide reliable, high-performance climate control with smart features for ultimate convenience.

Feature 6k DIY 5th Generation Mini-Split Air Handler 230v DIY® 5th Gen E Star 18,000 BTU Multi Zone Mini Split Air Handler 230V (DIY-18-HP-WMAH-230D25-O) DIY® 5th Gen E Star 24,000 BTU Multi Zone Mini Split Air Handler 230V (DIY-24-HP-WMAH-230D25-O) DIY® 5th Gen E Star 36,000 BTU Multi Zone Mini Split Air Handler 230V (DIY-36-HP-WMAH-230D25-O) DIY 9K 5th Generation Mini Split Air Handler - 115V DIY 12K BTU 5th Gen Ductless Mini Split Air Handler - 115V
System Performance
Refrigerant
Cooling Capacity (BTU)
Heating Capacity (BTU)
SEER2
HSPF2
EER2
Area Covered
0 sqft
0 sqft
0 sqft
0 sqft
0 sqft
0 sqft
Electrical Requirements
Voltage
Power Supply
Installation/Physical
Line Set Included
Warranty & Certification
Compressor Warranty
Parts Warranty
AHRI Certified
Pricing & SKU
MSRP $320.00 $665.28 $689.91 $914.26 $745.00 $768.00
SKU DIY-06-HP-WMAH-230D25-O DIY-18-HP-WMAH-230D25-O DIY-24-HP-WMAH-230D25-O DIY-36-HP-WMAH-230D25-O DIY-09-HP-WMAH-115D25-O DIY-12-HP-WMAH-115D25-O
Weight (lbs) 35.05 49.60 49.82 67.90 35.49 20.00
Weight (kg) 15.90 22.50 22.60 30.80 16.10 9.07
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Product Tips

  • Optimal Placement: For best performance, install the indoor air handler on an exterior wall, away from direct sunlight or heat sources.
  • Regular Filter Cleaning: Clean or replace the reusable air filters every 2-4 weeks during peak usage to maintain air quality and system efficiency.
  • Smart Control Integration: Utilize the MRCOOL® Smart HVAC Controller® Module and app for remote control and voice commands via Amazon Alexa or Google Assistant.
  • Line Set Protection: Ensure the Quick Connect® line set is properly insulated and protected from physical damage to prevent refrigerant leaks.
  • Proper Sizing: Always verify the BTU capacity matches your room size for efficient heating and cooling. Refer to the 'Area Covered' in the comparison table.

Frequently Asked Questions

How easy is DIY installation?

The MRCOOL DIY 5th Gen systems are designed for true do-it-yourself installation. With pre-charged Quick Connect® line sets, you won\'t need special tools, vacuum pumps, or an HVAC technician. Most homeowners can complete the installation in a few hours.

What room size does each unit cover?

Coverage area varies by BTU size: 9k BTU covers up to 400 sqft, 12k BTU up to 550 sqft, 18k BTU up to 800 sqft, 24k BTU up to 1,050 sqft, and 36k BTU up to 1,550 sqft. Always match the unit size to your space for optimal performance.

What type of refrigerant does it use?

The MRCOOL DIY 5th Gen series uses R-454B refrigerant, which is a more environmentally friendly and efficient option compared to older refrigerants like R-410A.

Is this system suitable for cold climates?

Yes, these units are designed to provide efficient heating even in low ambient temperatures. For extreme cold climates, consider the MRCOOL DIY Hyper Heat series for enhanced performance down to -22°F.

What is included with the system?

Typically, the system includes the indoor air handler, outdoor condenser, pre-charged Quick Connect® line set, remote control, and a DIYPro® cable. Specific inclusions may vary by bundle, so always check the product listing.

What are the electrical requirements?

Electrical requirements vary by BTU size. 9k and 12k BTU units typically require 115V, while 18k, 24k, and 36k BTU units require 208-230V. Always consult the product specifications for exact voltage and amperage.

Can I integrate a smart thermostat?

The MRCOOL DIY 5th Gen systems are compatible with the MRCOOL Smart HVAC Controller® Module, allowing integration with smart home systems like Amazon Alexa and Google Assistant for voice control and remote management.

What is the warranty for these units?

MRCOOL DIY 5th Gen systems typically come with a 10-year compressor warranty and a 5-year parts warranty. Registration is often required to activate the full warranty period.

How do I register my product for warranty?

Product registration is typically done online through the MRCOOL website. You will need your product\'s serial number and proof of purchase. Registering ensures you receive full warranty benefits and support.

What maintenance is required?

Regular maintenance includes cleaning or replacing air filters every 2-4 weeks, keeping the outdoor unit clear of debris, and ensuring the coils are clean. Annual professional checks are recommended to maintain optimal performance and longevity.

Compatible Accessories

Enhance your MRCOOL DIY 5th Gen Air Handler with these compatible accessories:

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Notes & Disclaimers

Prices are MSRP and do not include installation costs, taxes, or shipping. Specifications are subject to change without notice. Always refer to the manufacturer\'s official documentation for the most up-to-date information. Coverage areas are estimates and may vary based on insulation, climate, and other factors. AHRI certification applies to matched systems; individual components may not carry the same rating.