




















MRCOOL DIY® 5th Gen E Star 18,000 BTU Single Zone Mini Split Complete System with 25ft. Line Set 230V, DIY-18-HP-WM-230D25-O
FREE EXPRESS SHIPPING: Process orders in 1 business day
STRESS FREE RETURNS: 2 Year Returns
PREMIUM QUALITY: Top Tier Products, Even Better Customer Care
5 YEAR WARRANTY: We Believe In Our Products & Our Team
- Description
- Why Business Owners and Contractors Choose MRCOOL
- Standout Features
- The Result
- SPECIFICATIONS & DIMENSIONS
- Shipping and Return
- COVERAGE AREA
MRCOOL DIY® 5th Gen E Star 18,000 BTU Single Zone Mini Split Complete System with 25ft. Line Set 230V, DIY-18-HP-WM-230D25-O
Picture this: You’re walking into a client’s space—maybe it’s a high-end home office, a boutique retail shop, or a rental unit that needs a comfort upgrade. You want to deliver not just climate control, but a solution that’s fast, flawless, and future-ready. The MRCOOL DIY® 5th Gen 18K BTU Single Zone Mini Split is your answer—and your competitive advantage.
Every job is an opportunity to boost your reputation and maximize your profits. With MRCOOL’s 18,000 BTU system, you’re equipped to deliver year-round heating and cooling for spaces from 500 to 750 sq. ft.—all with a system that’s designed for rapid, no-hassle installation. No more waiting on specialty tools or scheduling extra labor. The pre-charged QuickConnect® line set and DIYPRO® cable mean you’re in and out, with a satisfied client and zero callbacks.
- Scale Your Business: Install multiple units in a single day and keep projects moving. This is the bulk-ready solution for contractors and business owners who want to grow.
- Future-Proof Efficiency: The R-454B refrigerant isn’t just better for the planet—it’s a selling point for eco-conscious clients who want the latest in HVAC technology.
- Smart Comfort Sells: Offer your clients wireless control from anywhere—remote, app, or voice (Alexa and Google Assistant). They’ll love the flexibility, and you’ll love the repeat business.
- Built to Last: The Gold Fin® condenser resists corrosion, making this unit a smart investment for coastal or challenging environments.
- Reliability That Builds Trust: Intertek certification and an industry-leading warranty (lifetime with registration, 7-year compressor, 5-year parts) mean you can install with confidence and guarantee peace of mind.
- Effortless, tool-free installation—no vacuum pump, no experience needed
- Perfect for 500–750 sq. ft.—offices, studios, bedrooms, and more
- Dry Mode—dehumidifies for healthier air quality
- Follow Me Function—personalized comfort wherever your client is
- Smart controls—remote, app, and voice command ready
You finish the job quickly, your client walks into a perfectly comfortable space, and your business stands out as the go-to for fast, smart, and reliable HVAC installs. With MRCOOL DIY®, you’re not just installing a mini split—you’re building your reputation, one satisfied customer at a time.
Upgrade your installs. Impress your clients. Grow your business with MRCOOL DIY® 5th Gen 18K BTU.
Dimensions & Weight | |
---|---|
Condenser Dimensions | 35.04 W" x 13.46 D" x 26.50 H" |
Air Handler Dimensions | 42.52 W" x 8.90 D" x 13.19 H" |
Condenser Weight | 93.48 lbs / 42.4 kg |
Air Handler Weight | 35.49 lbs / 16.1 kg |
DIY-18-HP-WM-230D25-O Capacity & Performance |
|
Zone Capacity | 1 |
Cooling Capacity | 18,000 BTU |
EER2 | 13.7 |
SEER2 | 22.5 |
Heating Capacity | 18,000 BTU |
HSPF2-4 | 11.5 |
HSPF2-5 | 8.5 |
Coverage Area | 500 to 750 sq ft. |
Outdoor Noise Level | 58.5 dB(A) |
Indoor Noise Level (Hi/Mi/Lo) | 54.5/44.5/40.5/30.5/19.0 dB(A) |
Electrical Requirements | |
Voltage | 208-230V |
Phase | 1 |
Cycle | 60 Hz |
Max Fuse Breaker | 20A |
Min Circuit Ampacity | 18A |
Refrigerant & Piping | |
Refrigerant Type | R-454B |
Refrigerant Volume | 44.80 oz |
Liquid Line Size | 1/4" |
Suction Line Size | 1/2" |
Max Line Set Length | 98.4 ft. |
DIY-18-HP-WM-230D25-O 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 |
DIY-18-HP-WM-230D25-O Certifications & Warranty |
|
Certifications | UL Listed, ETL Listed, Energy Star Certified, AHRI Certified |
Warranty | 7 Years Compressor 5 Years Parts Extended Limited Lifetime Replacement *If the original owner does not register the unit, the warranty defaults to the standard 5 year parts, 7 year compressor warranty **The original, registered owner must be enrolled in the MrCool Care Program every year in order to qualify for the 7 year full unit replacement for compressor failure and lifetime compressor replacement. |
INSTALLATION & GUIDES
Product Brochure |
Installation Manual |
Remote Control Manual |
Warranty Document |
AHRI Certificate |
Energy Guide |
For Shipping & return information visit here
- Description
- Why Business Owners and Contractors Choose MRCOOL
- Standout Features
- The Result
- SPECIFICATIONS & DIMENSIONS
- Shipping and Return
- COVERAGE AREA
MRCOOL DIY® 5th Gen E Star 18,000 BTU Single Zone Mini Split Complete System with 25ft. Line Set 230V, DIY-18-HP-WM-230D25-O
Picture this: You’re walking into a client’s space—maybe it’s a high-end home office, a boutique retail shop, or a rental unit that needs a comfort upgrade. You want to deliver not just climate control, but a solution that’s fast, flawless, and future-ready. The MRCOOL DIY® 5th Gen 18K BTU Single Zone Mini Split is your answer—and your competitive advantage.
Every job is an opportunity to boost your reputation and maximize your profits. With MRCOOL’s 18,000 BTU system, you’re equipped to deliver year-round heating and cooling for spaces from 500 to 750 sq. ft.—all with a system that’s designed for rapid, no-hassle installation. No more waiting on specialty tools or scheduling extra labor. The pre-charged QuickConnect® line set and DIYPRO® cable mean you’re in and out, with a satisfied client and zero callbacks.
- Scale Your Business: Install multiple units in a single day and keep projects moving. This is the bulk-ready solution for contractors and business owners who want to grow.
- Future-Proof Efficiency: The R-454B refrigerant isn’t just better for the planet—it’s a selling point for eco-conscious clients who want the latest in HVAC technology.
- Smart Comfort Sells: Offer your clients wireless control from anywhere—remote, app, or voice (Alexa and Google Assistant). They’ll love the flexibility, and you’ll love the repeat business.
- Built to Last: The Gold Fin® condenser resists corrosion, making this unit a smart investment for coastal or challenging environments.
- Reliability That Builds Trust: Intertek certification and an industry-leading warranty (lifetime with registration, 7-year compressor, 5-year parts) mean you can install with confidence and guarantee peace of mind.
- Effortless, tool-free installation—no vacuum pump, no experience needed
- Perfect for 500–750 sq. ft.—offices, studios, bedrooms, and more
- Dry Mode—dehumidifies for healthier air quality
- Follow Me Function—personalized comfort wherever your client is
- Smart controls—remote, app, and voice command ready
You finish the job quickly, your client walks into a perfectly comfortable space, and your business stands out as the go-to for fast, smart, and reliable HVAC installs. With MRCOOL DIY®, you’re not just installing a mini split—you’re building your reputation, one satisfied customer at a time.
Upgrade your installs. Impress your clients. Grow your business with MRCOOL DIY® 5th Gen 18K BTU.
Dimensions & Weight | |
---|---|
Condenser Dimensions | 35.04 W" x 13.46 D" x 26.50 H" |
Air Handler Dimensions | 42.52 W" x 8.90 D" x 13.19 H" |
Condenser Weight | 93.48 lbs / 42.4 kg |
Air Handler Weight | 35.49 lbs / 16.1 kg |
DIY-18-HP-WM-230D25-O Capacity & Performance |
|
Zone Capacity | 1 |
Cooling Capacity | 18,000 BTU |
EER2 | 13.7 |
SEER2 | 22.5 |
Heating Capacity | 18,000 BTU |
HSPF2-4 | 11.5 |
HSPF2-5 | 8.5 |
Coverage Area | 500 to 750 sq ft. |
Outdoor Noise Level | 58.5 dB(A) |
Indoor Noise Level (Hi/Mi/Lo) | 54.5/44.5/40.5/30.5/19.0 dB(A) |
Electrical Requirements | |
Voltage | 208-230V |
Phase | 1 |
Cycle | 60 Hz |
Max Fuse Breaker | 20A |
Min Circuit Ampacity | 18A |
Refrigerant & Piping | |
Refrigerant Type | R-454B |
Refrigerant Volume | 44.80 oz |
Liquid Line Size | 1/4" |
Suction Line Size | 1/2" |
Max Line Set Length | 98.4 ft. |
DIY-18-HP-WM-230D25-O 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 |
DIY-18-HP-WM-230D25-O Certifications & Warranty |
|
Certifications | UL Listed, ETL Listed, Energy Star Certified, AHRI Certified |
Warranty | 7 Years Compressor 5 Years Parts Extended Limited Lifetime Replacement *If the original owner does not register the unit, the warranty defaults to the standard 5 year parts, 7 year compressor warranty **The original, registered owner must be enrolled in the MrCool Care Program every year in order to qualify for the 7 year full unit replacement for compressor failure and lifetime compressor replacement. |
INSTALLATION & GUIDES
Product Brochure |
Installation Manual |
Remote Control Manual |
Warranty Document |
AHRI Certificate |
Energy Guide |
For Shipping & return information visit here
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Process orders within 1-2 days

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Top Tier Products, Even Better Customer Care

We Believe In Our Products & Our Team