MRCOOL DIY 5th Gen E Star 36,000 BTU Single Zone Mini Split Complete System with 25 Ft. Line Set, 230V (DIY-36-HP-WM-230D25-O)
Introducing the 5th Gen MRCOOL® DIY® 36K BTU Single Zone Mini-Split Air Handler for year-round heating and cooling in spaces 1,000 to 1,500 sq. ft. Easy DIY installation with included 25 ft. QuickConnect® line set and DIYPRO® cable. Customize comfort with wireless remote, SmartHVAC app, or voice commands. Industry-leading warranty for reliable, energy-efficient performance.
Features
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DIY Installation: Easy, tool-free setup with no prior experience required.
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DIY® QuickConnect® Line Set: Pre-charged with R-454B refrigerant for quick and vacuum-free installation.
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Environmentally Friendly Refrigerant: R-454B refrigerant has a lower Global Warming Potential (GWP) than older refrigerants like R-410A, reducing environmental impact while improving energy efficiency.
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DIYPRO® Cable: Eliminates the need for electrical conduit, offering enhanced durability against outdoor elements and wildlife.
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Wireless Control Options: Use the included remote, SmartHVAC app (Apple and Android), or voice commands via Amazon Alexa and Google Assistant.
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Follow Me Function: Maintains consistent comfort by adjusting airflow based on the remote’s location.
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Dry Mode: Acts as a dehumidifier to reduce excess moisture and improve indoor air quality.
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Gold Fin® Condenser: Provides corrosion resistance for coastal homes, ensuring long-lasting performance.
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Industry-Leading Warranty: Limited lifetime warranty, 7-year compressor warranty, and 5-year parts warranty.
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Certified Quality: Intertek listed 5031495 for reliable performance and safety.
Specifications
| Dimensions & Weight |
| Condenser Dimensions |
37.24 W" x 16.14 D" x 31.89 H" |
| Condenser Weight |
152.12 lbs / 69 kg |
| Air Handler Dimensions |
49.57 W" x 11.10 D" x 14.25 H" |
| Air Handler Weight |
48.729 lbs / 22.1 kg |
| Capacity & Performance |
| Zone Capacity |
1 |
| Cooling Capacity |
36,000 BTU |
| EER2 |
8.5 |
| SEER2 |
18 |
| Heating Capacity |
36,000 BTU |
| HSPF2-4 |
8.5 |
| HSPF2-5 |
6.5 |
| Coverage Area |
1,000 to 1,500 sq ft. |
| Indoor Noise Level (Hi/Mi/Lo) |
55.5/49.5/43.5/38.0/27.5 dB(A) |
| Outdoor Noise Level |
60.5 dB(A) |
| Electrical Requirements |
| Voltage |
208-230V |
| Phase |
1 |
| Cycle |
60 Hz |
| Max Fuse Breaker |
35A |
| Min Circuit Ampacity |
33A |
| Refrigerant & Piping |
| Refrigerant Type |
R-454B |
| Refrigerant Volume |
109.70 oz |
| Liquid Line Size |
3/8" |
| Suction Line Size |
5/8" |
| Max Line Set Length |
213.2 ft. |
| Features |
| Inverter |
DC |
| Compressor Type |
Rotary |
| Fan Only Option |
Yes |
| Quiet Mode |
Yes |
| Auto Cool |
Yes |
| Wifi Compatibility |
Yes |
| App Compatibility |
Yes |
| Works with IOS |
Yes |
| Works with Android |
Yes |
| Remote Control Included |
Yes |
What our Experts Think
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Powerful Performance – With 36,000 BTUs, this unit efficiently heats and cools large spaces up to 1,500 sq. ft.
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DIY-Friendly Installation – Includes 25 ft. pre-charged line set, making professional-level setup achievable without special tools.
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Energy Star Certified – High efficiency reduces energy bills while meeting strict performance standards.
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Smart Control Ready – WiFi-enabled for control via smartphone app, Amazon Alexa, or Google Assistant.
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All-Season Comfort – Provides dependable cooling in summer and supplemental heating in winter.
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Low Maintenance – Designed with easy-access filters and self-diagnostic features for long-term reliability.
Q&A
Q: What is the MRCOOL DIY 5th Gen 36,000 BTU Mini Split System?
A: It’s a single-zone ductless mini split heat pump that provides efficient heating and cooling for spaces up to 1,500 sq. ft.
Q: Does it include the installation kit?
A: Yes, it comes with a 25 ft. pre-charged line set, enabling easy DIY installation without special tools or professional help.
Q: Is this system energy efficient?
A: Absolutely—this model is Energy Star Certified, delivering high performance with lower energy costs.
Q: Can it both heat and cool?
A: Yes, it functions as a heat pump, offering year-round comfort with reliable heating in winter and cooling in summer.
Q: What makes it unique compared to other mini splits?
A: The MRCOOL DIY system is the only ductless mini split designed for true DIY installation, saving on professional labor costs.
Q: Is it compatible with smart home systems?
A: Yes, it includes Wi-Fi control and works with Google Assistant and Amazon Alexa for convenient voice or app operation.
Maintenance Tips
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Clean or replace air filters every 4–6 weeks for efficient airflow.
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Wipe indoor unit coils and vents regularly to prevent dust buildup.
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Inspect and clear outdoor condenser of leaves, dirt, and debris.
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Check line set connections for leaks or wear.
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Ensure proper drainage by cleaning the condensate line.
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Schedule annual professional servicing for peak performance and energy efficiency.
