OLMO Sierra 12,000 BTU Single Zone Wall Mount, 230V, R32 - Ductless Mini Split Air Conditioner Heat Pump | FACTORY
OLMO5-Yr Warranty
Product specifications
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| Voltage | |
| SEER | |
| WiFi | |
| Zone | |
| Type | |
| Freon | |
| Compressor |
Every system includes a 16 ft installation kit inside the factory box. Selecting 25 ft or 50 ft orders a separate, longer kit — it does not replace the included 16 ft kit.
Pickup available at 3550 Northwest 113th Court
Usually ready in 2-4 days
Why buy this mini split from MiniSplitsForLess
- Free Shipping over $300Ships free to the lower 48 states — flat rate, no surprises at checkout.
- USA-Based Expert SupportReal U.S. HVAC pros help with BTU sizing, refrigerant and install questions.
- Genuine Units & Full WarrantyBrand-new, authorized-dealer equipment backed by the full manufacturer warranty.
- Fast Nationwide ShippingIn stock and ready to ship from U.S. warehouses across all 48 states.
What Stands Out
Sleek Wall-Mount Design
A slim, quiet indoor head mounts high on the wall and delivers 12000 BTU of heating & cooling — modern looks with whisper-quiet operation.
Inverter Efficiency — SEER2 20
A variable-speed inverter compressor ramps to match the load instead of cycling on/off, holding SEER2 20 on 230V — steady comfort with noticeably lower energy bills.
Right-Sized Coverage
Engineered to heat & cool up to 300–500 sq ft — matched capacity so you never over- or under-size the space.
Sierra Wall Mount
OLMO's Single-Zone Sierra Series is a versatile HVAC solution designed to provide efficient heating and cooling for multiple rooms. Equipped with advanced inverter technology, these units deliver precise temperature control and significant energy savings. Using eco-friendly R32 refrigerant, the system ensures reliable performance with minimal environmental impact. Perfect for residential or commercial applications, the Sierra Series offers quiet operation, flexible installation, and user-friendly controls, making it an ideal choice for maintaining year-round comfort across multiple zones with one efficient system.
Warranty and Tech Support Info
By selecting OLMO products for your home or business, you’ll receive expert technical support from heating and cooling specialist, including access to product manuals, troubleshooting guides and warranty information.
The manufacturer provides a Limited Warranty of 5 years for the compressor and 2 years for parts.
Warranty terms
Main Features
OLMO's Single-Zone Sierra Series delivers efficient multi-room comfort with advanced inverter technology for precise temperature control. Its eco-friendly R32 refrigerant reduces environmental impact, while quiet operation ensures minimal disruption. With flexible installation options, sleek design, and reliable heating and cooling, it’s the perfect solution for modern multi-zone climate control needs.
All Accessories Included
With your purchase, you receive a comprehensive MiniSplit system. MiniSplits4Less ensures you have everything needed for a seamless installation. Your package includes an Indoor Unit, Outdoor Unit, Remote Control, Manuals, a 16ft Line Set, and a Smartkit (WIFI). We've meticulously thought of every detail to provide you with all the essentials for your installation.
Technical Specifications
| Indoor Model | OS-09SRW-115VI | OS-12SRW-115VI | OS-09SRW-230VI | OS-12SRW-230VI | OS-18SRW-230VI | OS-24SRW-230VI | OS-R36SRW-230VI |
|---|---|---|---|---|---|---|---|
| Outdoor Model | OS-SR09-115VO | OS-SR12-115VO | OS-SR09-230VO | OS-SR12-230VO | OS-SR18-230VO | OS-SR24-230VO | OS-RSR36-230VO |
| Power Supply | 115V-1Ph-60 | 115V-1Ph-60 | 208/230V-1Ph-60 | 208/230V-1Ph-60 | 208/230V-1Ph-60 | 208/230V-1Ph-60 | 208/230V-1Ph-60 |
| Capacity | 9000 | 12000 | 9000 | 12000 | 18000 | 24000 | 34500 |
| Cooling | |||||||
| EER2 | 12.5 | 10.2 | 12.95 | 11.1 | 11.95 | 10.6 | 9.4 |
| SEER2 | 20.0 | 18.0 | 22.5 | 20.0 | 21.0 | 19.5 | 20.0 |
| Rated Capacity | 9500 | 12000 | 9000 | 12000 | 18000 | 24000 | 35000 |
| Heating | |||||||
| HSPF4 | 9.0 | 8.5 | 8.5 | 8.5 | 9.8 | 8.5 | 8.4 |
| HSPF5 | 7.0 | 8.0 | 8.0 | 8.0 | 9.0 | 8.0 | 8.2 |
| COP2 | 4.1 | 3.4 | 4.12 | 3.5 | 3.91 | 3.3 | 3.2 |
| Minimum Circuit Ampacity | 14.6 | 15.6 | 9.5 | 9.5 | 14.5 | 21 | 26.8 |
| Max Fuse | 25 | 25 | 15 | 15 | 20 | 35 | 35 |
| Indoor Air Flow (Turbo/Hi/Mi/Lo/Si) | 353/382/341/294/247 | 365/394/365/312/253 | 353/382/341/294/247 | 365/394/365/312/253 | 647/647/588/482/382 | 706/706/647/559/441 | 706/706/647/559/441/647 |
| Indoor Noise Level (Turbo/Hi/Mi/Lo) | 42/39/37/35 | 42/39/37/35 | 42/39/37/35 | 42/39/37/35 | 48/45/41/39 | 50/48/43/41 | 50/47/43/39 |
| Indoor Unit | |||||||
| Dimensions (WxDxH) | 33.5x10.62x8.19 | 33.5x10.62x8.19 | 33.5x10.62x8.19 | 33.5x10.62x8.19 | 42.5x12.37x9 | 42.5x12.37x9 | 52.75x14.83x10.81 |
| Packing (WxDxH) | 35.87x13.13x10.25 | 35.87x13.13x10.25 | 35.87x13.13x10.25 | 35.87x13.13x10.25 | 48x15.75x12.19 | 48x15.75x12.19 | 56.12x15.56x18.12 |
| Net/Gross Weight | 18.5/23.1 | 18.5/23.1 | 18.5/23.1 | 18.5/23.1 | 30.9/37.5 | 29.8/37.5 | 40.8 |
| Outdoor Unit | |||||||
| Outdoor Air Flow (Hi) | 470 | 488 | 470 | 488 | 588 | 647 | 647 |
| Outdoor Side Noise Level | 53 | 53 | 53 | 53 | 58 | 60 | 60 |
| Dimensions (WxDxH) | 28.13×21.25×9.5 | 28.13×21.25×9.5 | 28.13×21.25×9.5 | 28.13×21.25×9.5 | 31.88x23x11 | 33.88×25.5×12.2 | 35.43x13.38x29.5 |
| Packing (WxDxH) | 32.67x23.62x13.18 | 32.67x23.62x13.18 | 32.67x23.62x13.18 | 32.67x23.62x13.18 | 37x25.19x15.15 | 39.17×28.34×16.53 | 41.75x17.69x32.31 |
| Net/Gross Weight | 52.9/61.7 | 57.3/66.1 | 48.5/57.3 | 52.9/61.7 | 75/82.7 | 101.4/110.2 | 121.3 |
| Refrigerant | |||||||
| Refrigerant Type/Quantity | R32/21.2 | R32/21.9 | R32/20.5 | R32/21.9 | R32/45.9 | R32/47.6 | R32/72.4 |
| Refrigerant Precharge | 24.6 | 24.6 | 24.6 | 24.6 | 24.6 | 24.6 | 24.6 |
| Design Pressure | 620 | 620 | 620 | 620 | 620 | 620 | 620 |
| Liquid Side / Gas Side | 1/4'' / 3/8'' | 1/4'' / 3/8'' | 1/4'' / 3/8'' | 1/4'' / 3/8'' | 1/4'' / 1/2'' | 3/8'' / 5/8'' | 3/8'' / 5/8'' |
| Refrigerant Piping | |||||||
| Max Refrigerant Pipe Length | 65.6 | 65.6 | 65.6 | 65.6 | 98.4 | 98.4 | 98.4 |
| Max. Difference in Level | 49.2 | 49.2 | 49.2 | 49.2 | 49.2 | 49.2 | 49.2 |
| Ambient Temperature | |||||||
| Indoor (Cooling/Heating) | 5~118/-5~75 | 5~118/-5~75 | 5~118/-5~75 | 5~118/-5~75 | 5~118/-5~75 | 5~118/-5~75 | 5~118/-5~75 |
| Outdoor (Cooling/Heating) | 5~118/-5~75 | 5~118/-5~75 | 5~118/-5~75 | 5~118/-5~75 | 5~118/-5~75 | 5~118/-5~75 | 5~118/-5~75 |
| Energy Star Certified | ✓ | ✓ | ✓ | ||||
Multiple Control Methods
Olmo’s Sierra can be managed with a user-friendly remote control. This options offer precise temperature adjustments and optimal climate control for ultimate convenience.
Frequently Asked Questions
What size mini split do I need for my room?
For spaces up to 550 sq ft, the Olmo 12,000 BTU ductless mini split is an excellent choice. This capacity ensures efficient cooling and heating for medium-sized rooms.
How much is a mini split system like the Olmo Sierra Series?
Pricing for the Olmo 12,000 BTU mini split varies depending on the installation kit chosen, which ranges from no kit to options of 16ft, 25ft, or 50ft. Ensure to consider your specific installation needs when budgeting.
Can I install the Olmo mini split myself?
While the Olmo 12,000 BTU mini split can be a DIY project for those with technical skills, it is recommended to consult a professional for proper installation, especially given the need for refrigerant handling and electrical connections.
Does the Olmo mini split come pre-charged with refrigerant?
Yes, the Olmo 12,000 BTU mini split is factory pre-charged with R32 refrigerant for up to 25 ft of line set. This allows for easier installation, but additional refrigerant may be needed for longer distances.
What voltage does the Olmo mini split require?
The Olmo 12,000 BTU ductless mini split operates on 230V power, which is standard for most residential installations. Ensure your electrical system can accommodate this voltage before installation.
What warranty does the Olmo Sierra Series offer?
Olmo provides a solid 5-year parts and compressor warranty for the 12,000 BTU mini split. This warranty covers essential components, giving you peace of mind regarding your investment.
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