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Description
MRCOOL Olympus 18,000 BTU 1.5 Ton Ductless Mini Split Wall Mounted Air Handler 230V/60Hz, O-18-HP-WMAH-230C-OMRCOOL Olympus 18,000 BTU (1. 5 Ton) Ductless Mini Split Wall Mounted Air Handler 230V 60Hz O 18 HP WMAH 230C O Olympus = Best. The MRCOOL Olympus 18,000 BTU (1. 5 Ton) Ductless Wall Mounted Air Handler delivers premium, whisper quiet comfort and smart control for spaces up to 800 sq. ft. Featuring SEER2 23. 5, EER2 12. 7, and HSPF2 4 10. 8, this ESTAR 18k model combines high efficiency with modern convenienceWi Fi app control, voice compatibility,
MRCOOL® Olympus 18,000 BTU (1.5 Ton) Ductless Mini Split Wall-Mounted Air Handler 230V/60Hz | O-18-HP-WMAH-230C-O
Olympus = Best. The MRCOOL® Olympus 18,000 BTU (1.5 Ton) Ductless Wall-Mounted Air Handler delivers premium, whisper-quiet comfort and smart control for spaces up to 800 sq. ft. Featuring SEER2 23.5, EER2 12.7, and HSPF2-4 10.8, this ESTAR® 18k model combines high efficiency with modern convenience—Wi-Fi app control, voice compatibility, and low 49 dB operation.
Professional Install Required: Olympus indoor units are part of a traditional (non-DIY) mini split system. Lines must be nitrogen-evacuated and vacuumed before releasing charge from the outdoor condenser to ensure performance and warranty coverage.
Key Benefits
- Compact & Powerful: Ideal for bedrooms, offices, and garages up to 800 sq. ft.
- High Efficiency: SEER2 23.5, EER2 12.7, HSPF2-4 10.8 for year-round savings.
- Smart Control: Built-in Wi-Fi with the MRCOOL® Smart HVAC app for remote access.
- Voice Ready: Works with Amazon Alexa and Google Assistant.
- Quiet Comfort: Operates at just 49 dB to minimize distractions.
- Eco-Conscious: Uses next-gen R-454B refrigerant.
- Flexible Control: Includes a handy remote control for quick adjustments.
- Warranty: Backed by a 5-year parts warranty.
Who Is This For?
Homeowners who want best-tier wall-mounted comfort with premium efficiency, plus the convenience of Wi-Fi and voice control. Great for single rooms, additions, studios, and light commercial offices.
Technical Specifications
| Model | Capacity | Voltage/Frequency | Coverage | Efficiency (SEER2 / EER2 / HSPF2-4) | Sound Level | Refrigerant | Controls | Warranty |
|---|---|---|---|---|---|---|---|---|
| O-18-HP-WMAH-230C-O | 18,000 BTU (1.5 Ton) | 230V / 60Hz | Up to ~800 sq. ft. | 23.5 / 12.7 / 10.8 | 49 dB (low) | R-454B | Wi-Fi App + Remote; Alexa & Google | 5-Year Parts |
Coverage varies by insulation, climate, ceiling height, windows, and layout.
Professional Installation Required
As a traditional (non-DIY) Olympus system, this indoor unit must be installed by a licensed HVAC technician. The line set must be nitrogen pressure-tested and vacuumed before releasing refrigerant from the outdoor condenser. Proper commissioning ensures efficiency, reliability, and warranty validity.
What’s Included
- MRCOOL® Olympus 18k Wall-Mounted Air Handler
- Remote control
- Wi-Fi capability for MRCOOL® Smart HVAC app
- Owner’s manual & quick start guide
Popular Add-Ons
- Matching Olympus outdoor condenser (properly sized/paired)
- Line set & communication wire (installer supplied/spec’d)
- Wall sleeve, condensate accessories, surge protection
Nationwide Shipping from the USA’s Most Trusted MRCOOL® Dealer
Order from MRCOOLDIYDirect.com for fast nationwide shipping, genuine MRCOOL® products, and expert support.
SKU: O-18-HP-WMAH-230C-O
Series: Olympus (ESTAR® 18k) — Best Tier
Type: Ductless Mini Split Wall-Mounted Air Handler
Brand: MRCOOL®
Availability: Ships Nationwide from MRCOOLDIYDirect.com
Popular keywords: MRCOOL Olympus 18k wall mounted air handler, 1.5 ton ductless mini split, O-18-HP-WMAH-230C-O, SEER2 23.5 mini split, quiet 49 dB wall air handler, R-454B mini split, Wi-Fi Alexa Google HVAC, nationwide shipping MRCOOL dealer.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy