18,000 BTU 230V Ductless Mini Split AC Wall Mounted OLMO Sierra Series Heat Pump | 16FT

OLMO

OS-SR18-230VO18WM-16ft
Product specifications
Brand Olmo
Voltage 230V
SEER 21
WiFi Included
Zone Single Zone
Type Wall Mount
Freon R32
Compressor Inverter
$979.66 $911.08 Save 7%
Shipping Policy calculated at checkout.
Installation Kit: 16FT Installation Kit

Pickup available at 3550 Northwest 113th Court

Usually ready in 2-4 days

Installation Kit
Discount Banner
TrustScore 4.8

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.

White single-zone sierra air conditioner with purple shield logo and network background design.

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
Gray sectional sofa with yellow cushions and patterned throw, modern design.

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, optional LineSet, 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.

App Promo

Frequently Asked Questions

What size mini split do I need for my room?

For spaces up to 850 sq ft, the Olmo Sierra Series 18,000 BTU mini split is an excellent choice, providing efficient cooling and heating. Make sure to calculate your room size accurately to ensure optimal performance.

Can I install the Olmo mini split myself?

While DIY installation is possible for the Olmo Sierra Series, it requires knowledge of electrical and refrigerant systems. If you opt for a 16ft, 25ft, or 50ft installation kit, ensure you follow the manufacturer's guidelines closely for best results.

Does the Olmo mini split come pre-charged with refrigerant?

Yes, the Olmo Sierra Series mini split is pre-charged with R32 refrigerant for up to 25 ft of line set, making installation more straightforward. Just ensure your installation does not exceed this distance to maintain efficiency.

What voltage does the Olmo mini split require?

The Olmo Sierra Series operates on a 230V system, which is standard for many residential mini splits. Ensure your electrical system can accommodate this voltage before installation.

What warranty does the Olmo Sierra Series offer?

The Olmo Sierra Series comes with a 5-year parts and compressor warranty, providing peace of mind for your investment. This warranty covers the essential components to ensure your mini split operates efficiently over time.

What SEER rating do I need for energy efficiency?

With a SEER rating of 21.0, the Olmo Sierra Series mini split exceeds the minimum efficiency requirements, making it an excellent choice for energy savings. Look for systems with a SEER above 16 for optimal performance in various climates.