Description
Why the MRCOOL Olympus 18K BTU Wall Mount Air Handler 230V with Enhanced WiFi?
The O-18-HP-WMAH-230B is a professional-grade MRCOOL Olympus 4th Gen Wall Mount Air Handler delivering 18,000 BTU of capacity at up to Up to 22 SEER SEER efficiency. Designed for contractors and serious DIYers who need reliable performance, precise comfort control, and straightforward installation in residential and light commercial applications.
Technical Specifications
| Specification | Value |
|---|---|
| Model / SKU | O-18-HP-WMAH-230B |
| UPC | 840255522052 |
| Series | Olympus 4th Gen |
| Product Type | Wall Mount Air Handler |
| Capacity (BTU) | 18,000 |
| Efficiency Rating | Up to 22 SEER |
| Voltage | 230V/1Ph/60Hz |
| Refrigerant | R-410A |
| Weight | 24.0 lbs (10.9 kg) |
| Brand | MRCOOL |
Installation & Product Tips
- Mount the air handler at least 7 feet above the floor for optimal airflow distribution.
- Keep the filter clean — a dirty filter is the #1 cause of reduced efficiency.
- Use the sleep mode feature to reduce noise and save energy overnight.
- Ensure the line set is properly insulated to prevent condensation and energy loss.
- Download the MRCOOL app for remote control and scheduling.
Frequently Asked Questions
Compatible Accessories
- Olympus 4th Gen Condenser
- Mini Split Line Set
- LineGuard Line Set Cover
- Smart Wi-Fi Mini Stat
Contact our HVAC experts at /contact-us/
Warranty Information
MRCOOL Olympus 4th Gen products are backed by a manufacturer warranty. Register your product within 30 days of installation to activate full warranty coverage. Warranty terms vary by product line — contact MRCOOL directly or visit their registration portal for complete details.
Complete Your Installation
Ensure a smooth and code-compliant installation with these required and recommended components:
- MRCOOL Pre-Charged Line Sets — Pre-charged with refrigerant, no vacuum pump required
- Disconnect Box (60 Amp) — Required for code compliance in most jurisdictions
- Surge Protective Device — Protects your system from voltage spikes
- Wall Mount Bracket (9K–18K BTU) — Elevates condenser off the ground for debris protection
Add these items now to avoid installation delays.
