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MRCOOL Olympus 18,000 BTU 1.5 Ton Ductless Mini Split Wall Mounted Air Handler 230V/60Hz, O-18-HP-WMAH-230C-O
Regular Price
$531.00
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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.
Reminder: Olympus = Best tier performance and pro installation.
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.
FAQs About Our HVAC Products
Ordering & Compatibility
1. Do you sell HVAC equipment to homeowners and DIY installers?
Yes. Freedom HVAC Supply sells HVAC equipment and parts to contractors, property owners, and qualified DIY installers. Some products may require professional installation based on local codes.
2. How do I know if this HVAC product is compatible with my system?
Product pages include specifications and compatibility details. If you’re unsure, our team can help verify fit before you order.
3. Can HVAC contractors purchase from Freedom HVAC Supply?
Absolutely. We work with licensed HVAC contractors, installers, and professionals nationwide.
Installation & Support
1. Do HVAC systems require professional installation?
Some HVAC equipment must be installed by a licensed professional to meet code requirements or warranty terms. Always review manufacturer guidelines.
2. Can you help me choose the right HVAC system or part?
Yes. Our support team can assist with product selection based on your application, space, and installation needs.
3. Do you provide installation manuals or documentation?
Manufacturer installation guides and documentation are included or available upon request for most products.
Warranty & Shipping
1. Do HVAC products include a manufacturer warranty?
Most HVAC equipment includes a manufacturer warranty when installed according to guidelines. Warranty terms vary by brand and product.
2. Do you ship HVAC equipment nationwide?
Yes. We ship HVAC systems and parts throughout the continental United States using trusted freight and parcel carriers.
3. What should I know about freight delivery for HVAC equipment?
Larger HVAC equipment ships via freight and should be inspected upon delivery. Delivery details are provided during checkout.
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