Match the opening
Confirm the existing sleeve, wall opening, cabinet fit, and exterior grille. TTW and PTAC formats are not interchangeable.
OLMO • The hospitality collection
For guest rooms, thoughtful replacements, and the next chapter of your property.
Durable packaged terminal AC with electric heat strip. Fresh-air intake, smart-ready control, and quiet performance in a sleeve-and-grille install.
Sleeve & grille sold separately. Select the configuration that matches your install.
| Model | OS-MBW-09HS |
|---|---|
| Power supply | 208/230V, 1Ph, 60Hz |
| Cooling capacity (Btu/h) | 9,200 / 9,000 |
| Cooling input (W) | 790 / 780 |
| Cooling rated current (A) | 4.3 / 4.9 |
| Electric heating capacity (Btu/h) | 10,900 / 8,900 |
| Refrigerant | R32 |
| Compressor type | Rotary |
| Waterproofing class | IP20 |
| Plug type | LCDI (6-20P) |
| Indoor noise, high / low (dB(A)) | 50 / 49.5 |
| Outdoor noise (dB(A)) | 63 |
| Unit dimensions, W × D × H (in) | 42.01 × 20.94 × 15.98 |
| Packing dimensions, W × D × H (in) | 44.49 × 24.61 × 19.29 |
| Net / gross weight (lb) | 97 / 105.82 |
| EER2 (Btu/h/W) | 11.3 |
| Electric heating input (kW) | 3.5 |
| Electric heating current (A) | 15.3 / 13.7 |
| Refrigerant charge (oz) | 15.16 |
| Indoor air flow, high / low (CFM) | 430.0 / 342.3 |
| Design pressure, low / high (PSI) | 300 / 580 |
| Model | OS-MBW-12HS |
|---|---|
| Power supply | 208/230V, 1Ph, 60Hz |
| Cooling capacity (Btu/h) | 12,000 / 11,800 |
| Cooling input (W) | 1,080 / 1,060 |
| Cooling rated current (A) | 5.5 / 6.1 |
| Electric heating capacity (Btu/h) | 10,900 / 8,900 |
| Refrigerant | R32 |
| Compressor type | Rotary |
| Waterproofing class | IP20 |
| Plug type | LCDI (6-20P) |
| Indoor noise, high / low (dB(A)) | 52 / 51.5 |
| Outdoor noise (dB(A)) | 67 |
| Unit dimensions, W × D × H (in) | 42.01 × 20.94 × 15.98 |
| Packing dimensions, W × D × H (in) | 44.49 × 24.61 × 19.29 |
| Net / gross weight (lb) | 103.62 / 112.43 |
| EER2 (Btu/h/W) | 10.7 |
| Electric heating input (kW) | 3.5 |
| Electric heating current (A) | 14.96 / 13.7 |
| Refrigerant charge (oz) | 15.16 |
| Indoor air flow, high / low (CFM) | 431.1 / 348.2 |
| Design pressure, low / high (PSI) | 300 / 580 |
| Model | OS-MBW-15HS |
|---|---|
| Power supply | 208/230V, 1Ph, 60Hz |
| Cooling capacity (Btu/h) | 14,700 / 14,500 |
| Cooling input (W) | 1,390 / 1,370 |
| Cooling rated current (A) | 7.5 / 8.9 |
| Electric heating capacity (Btu/h) | 15,000 / 12,200 |
| Refrigerant | R32 |
| Compressor type | Rotary |
| Waterproofing class | IP20 |
| Plug type | LCDI (6-30P) |
| Indoor noise, high / low (dB(A)) | 51 / 50.5 |
| Outdoor noise (dB(A)) | 65 |
| Unit dimensions, W × D × H (in) | 42.01 × 20.94 × 15.98 |
| Packing dimensions, W × D × H (in) | 44.49 × 24.61 × 19.29 |
| Net / gross weight (lb) | 105.82 / 114.64 |
| EER2 (Btu/h/W) | 10.6 |
| Electric heating input (kW) | 5 |
| Electric heating current (A) | 22.3 / 20.1 |
| Refrigerant charge (oz) | 21.51 |
| Indoor air flow, high / low (CFM) | 430.0 / 349.4 |
| Design pressure, low / high (PSI) | 300 / 580 |
1 Year Limited Warranty / (registration and terms apply).
Manufacturer reserves the right to discontinue or change specifications at any time without notice.
Our packaged terminal air conditioner with heat strip delivers reliable year-round comfort in a standard sleeve and grille install. Smart-ready controls, fresh-air intake, and service-friendly access make it a favorite for multi-room properties, hotels, and retrofits.
Choose your accessory configuration (sleeve + grille, sleeve only, grille only, or none) and wire to a 24V thermostat if desired. Features include Auto Restart, Auto Defrost, LED display, dual fan speeds, and quiet operation.
Designed into the project
Before equipment arrives, make sure the room, connection, and installation plan are ready for it.
Confirm the existing sleeve, wall opening, cabinet fit, and exterior grille. TTW and PTAC formats are not interchangeable.
Confirm voltage, plug or wiring requirements, and the circuit for the exact model. Select the heating configuration your project needs.
Review sleeve and grille add-ons, guest controls, and compatibility. Accessories are sold separately unless the selected configuration states otherwise.

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