MRCOOL® Olympus 9,000 BTU (¾ Ton) Ductless Mini Split Wall-Mounted Air Handler 230 V/60 Hz | O-09-HP-WMAH-230C-O
The MRCOOL® Olympus Series is the Best in the “Good-Better-Best” lineup—engineered for professional installation, ultra-quiet performance, and smart, connected comfort. The Olympus 9,000 BTU (¾ Ton) Ductless Mini Split Wall-Mounted Air Handler is perfect for small rooms up to 400 sq ft, combining elegant design, energy efficiency, and convenient Wi-Fi control.
Important: Olympus units are not pre-charged and require professional installation. Lines must be nitrogen-evacuated and vacuumed before releasing the refrigerant from the outdoor condenser.
Compact Comfort and Smart Control
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Perfect for Small Spaces: Efficient heating & cooling for bedrooms, offices, and studios up to 400 sq ft.
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Wi-Fi Smart Control: Connect via the MRCOOL® Smart HVAC app for remote access anywhere.
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Voice Compatibility: Works seamlessly with Amazon Alexa and Google Assistant.
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Energy Efficient: High SEER2/EER2 ratings for lower utility costs year-round.
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Quiet Performance: Operates as low as 49 dB for distraction-free comfort.
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Eco-Friendly: Uses R-454B refrigerant with low global warming potential.
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Flexible Control: Includes a handheld remote for manual adjustment.
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Reliable Warranty: Protected by a 5-year parts warranty.
Technical Specifications
| Model |
BTU / Ton |
Voltage / Hz |
Coverage |
Refrigerant |
Sound Level |
Controls |
Warranty |
| O-09-HP-WMAH-230C-O |
9,000 BTU (¾ Ton) |
230 V / 60 Hz |
Up to 400 sq ft |
R-454B |
≈ 49 dB |
Wi-Fi Smart HVAC App + Remote |
5-Year Parts Warranty |
Coverage may vary by insulation, climate, and ceiling height.
Professional Installation Required
As a traditional Olympus model, this air handler requires licensed HVAC installation. Proper vacuuming and nitrogen testing before releasing refrigerant ensures peak efficiency and protects the factory warranty.
Reminder: Olympus Series = Best Tier Performance + Professional Installation Required.
Included Components
- MRCOOL® Olympus 9K Wall-Mounted Air Handler
- Wireless remote control
- Wi-Fi connectivity for Smart HVAC app
- Mounting hardware and owner’s manual
Recommended Accessories
- MRCOOL® Olympus condenser (compatible capacity)
- Refrigerant line set and communication wire
- Wall sleeve, drain kit, and surge protector
Nationwide Shipping & Trusted Dealer Support
Purchase from MRCOOLDIYDirect.com — the USA’s most trusted MRCOOL® dealer — for fast nationwide shipping, factory-backed warranties, and expert support.
Model: O-09-HP-WMAH-230C-O
Capacity: 9,000 BTU (¾ Ton)
Voltage: 230 V / 60 Hz
Refrigerant: R-454B
Series: Olympus (Best Tier)
Warranty: 5 Years Parts
Availability: Ships Nationwide from MRCOOLDIYDirect.com
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