MRCOOL DIY 5th Gen 2-Zone 30,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with two 16 ft. Pre-Charged Line Sets two air handlers (6K+24K) — DIYM236HP

MRCOOL DIY 5th Gen 36,000 BTU 5‑Zone Ductless Mini Split Heat Pump System Bundle (6K + 24K Air Handlers with Pre‑Charged Line Sets)

The MRCOOL DIY® 5th Gen 36,000 BTU 5‑Zone Ductless Mini Split Heat Pump System Bundle is a complete multi‑zone HVAC solution engineered for homeowners who want whole‑home climate comfort with true DIY installation ease. Designed around a powerful 36,000 BTU 5th Generation outdoor condenser, this bundle includes two indoor wall‑mounted air handlers — a 6,000 BTU unit ideal for smaller rooms and a 24,000 BTU unit suited for larger living spaces — delivering efficient heating and cooling across multiple zones in your home.

Installation is simplified with factory‑charged R‑454B refrigerant QuickConnect® line sets that eliminate the need for vacuum pumps or specialized HVAC tools, allowing installation with basic household tools. Advanced inverter technology supports smooth and quiet performance with excellent energy efficiency, while built‑in smart control compatibility enables remote system management and integration with modern voice assistants for added convenience.

Both indoor units feature wireless remote controls for independent zone management, ensuring customized comfort where you need it most. The outdoor condenser is built with corrosion‑resistant components for long‑term durability and supports up to five total zones, so you can expand your system later as needed.

Backed by robust manufacturer warranties, including parts and compressor coverage plus eligible extended limited lifetime protection, this MRCOOL DIY® bundle provides reliable, year‑round comfort with professional‑grade features and true DIY installation simplicity.

Features

• DIY Installation — No EPA certification, no gauges, no vacuum pump
• Smart Controls — App + Alexa + Google
• R-454B Refrigerant — Lower GWP and future-compliant
• High Efficiency — Up to 23 SEER2
• Ultra-Quiet Indoor Units — As low as 20 dBA
• Corrosion & weather protection for long-lasting durability
• Industry-leading warranties (up to Limited Lifetime with registration)

Specifications

What’s Included

✔ 1 × MRCOOL DIY-MULTI5-36HP230D-O Condenser (36,000 BTU, 230V) 

• 5th Generation multi-zone inverter

• Supports up to five zones

• SEER2: 23, HSPF2-4: 9.9

• Factory-charged with R-454B refrigerant

• Compatible with all 5th Gen DIY indoor units

• SmartHVAC App + Alexa + Google Assistant

• Quick-Connect® ports—no vacuuming required

• Corrosion-resistant Gold Fin® protection

• Handles homes up to 1,500 sq ft

✔ 1 × 6K Wall Mount Air Handler — DIY-06-HP-WMAH-230D25-O

• Perfect for bedrooms, offices, small rooms (up to 200 sq ft)

• Quiet operation with 20–41 dBA low noise

• Follow-Me® remote sensor

• Dry Mode humidity control

• SmartHVAC app + WiFi built-in

• Pre-charged compatibility with 1/4 × 3/8 line sets

• Includes DIYPro® cable

✔ 1 × 24K Wall Mount Air Handler — DIY-24-HP-WMAH-230D25-O

• Ideal for large rooms, living rooms, basements (up to 1050 sq ft)

• Ultra-quiet: 20–54 dBA

• ENERGY STAR® Certified

• 3/8 × 5/8 Quick-Connect fittings

• Built-in WiFi + remote control

• Dry Mode & Follow-Me®

• DIYPro® cable included

• Gold Fin® outdoor protection

✔ 1 × DIY16-1438-O R-454B Line Set (16 ft, 1/4 x 3/8) 

For 6K–12K indoor units

• Pre-charged with R-454B

• Quick-Connect®

• Flexible, kink-resistant design

✔ 1 × DIY16-3858-O R-454B Line Set (16 ft, 3/8 x 5/8)

For 24K–36K indoor units

• Pre-charged with R-454B

• Quick-Connect®

• Sealed, vacuum-free installation

Why Homeowners Choose This Bundle

This specific configuration (6K + 24K handlers and a 36K condenser) is a top-searched multi-zone setup because it perfectly covers:

• Master bedroom

• Guest bedroom

• Living room

• Large studio

• Finished basement

• Apartments & small homes

It’s one of the most cost-effective multi-zone systems you can install without an HVAC technician.

What You may need (Sold Separately)

• Condenser Mounting brackets or pad(optional)

• Additional line sets or couplers if extending

• Line guard, whip & disconnect

Frequently Asked Questions (FAQ's)

1. Can I install this MRCOOL DIY system myself?

Yes. Every MRCOOL DIY 5th Gen system is engineered for true homeowner installation with no EPA license, no vacuum pump, and no gauges needed thanks to the factory-charged R-454B Quick-Connect® line sets.

2. Do I need a vacuum pump or special tools?

No. All DIY Quick-Connect® line sets are pre-charged and factory sealed, so installation is completely vacuum-free.

3. Can I add more zones later?

Yes. The DIY-MULTI5-36HP230D-O condenser supports up to 5 total zones, so you can start with 2–3 indoor units now and add more later.

4. Is R-454B safe and future-approved? 

Yes. R-454B is the future standard refrigerant, replacing R-410A nationwide. It is more efficient, lower GWP, and already required in many regions.

5. How long are the included line sets? 

Your bundle includes 25-ft R-454B Quick-Connect® line sets, matched to each air handler’s size.

6. Is this bundle enough to cool and heat my whole home?

Depending on your home layout, insulation, and zone sizing, the 36k multi-zone condenser can cover up to ~1,500 sq. ft. with proper indoor unit placement.

7. Are the air handlers quiet?

Yes. 5th Generation MRCOOL DIY indoor units operate as low as 20 dBA—quieter than a library.

8. Does this system support smart home control?

Yes. All 5th Gen units work with:

• Apple & Android SmartHVAC App
• Amazon Alexa
• Google Assistant
• WiFi programmable scheduling

9. Do I need an electrician to connect power?

Most DIYers can run the whip and breaker with basic electrical knowledge, But we recommend hiring a licensed electrician when dealing with electrical. The indoor units use DIYPRO® cable, no conduit needed.

10. Can I use longer line sets?

Yes. You can link multiple DIY line sets up to 75 feet each run using the coupler kits, up to the condenser’s max line-set length rating.

11. Is the unit Energy Star Certified?

Many 5th Gen MRCOOL air handlers (like the 24K) are Energy Star® Certified, and the condenser is AHRI rated.

12. What rooms do the 6K and 24K units cover?

• 6K air handler: up to 200 sq ft
• 24K air handler: up to 1,050 sq ft

13. Is the warranty real when buying online?

YES — only when buying through an authorized dealer like MRCOOLDIRECT.com. Unauthorized websites void the warranty.

14. What warranties are included?

• 5-Year Parts
• 7-Year Compressor
• Limited Lifetime Replacement when enrolled in MRCOOL Care™.

15. Can I install the line set through a wall thicker than 8 inches?

Yes. You may need a longer sleeve, but the Quick-Connect fittings will still work.

16. Will this system dehumidify?

Yes — use DRY MODE for humidity removal in humid climates.

17. Is this system good for a garage, shop, or basement?

Yes. The 24K air handler especially is ideal for large basements, bonus rooms, and shops.

18. How fast will this ship?

MRCOOL DIRECT ships from U.S. warehouses, typically in 1–3 business days depending on your location.