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Dual Zone OLMO Sierra Multi-Zone, 1.5 Ton Air Conditioner, 18,000 BTU with 9k+9k BTU Wall Mount Ductless Mini Split A/C and Heater, R410A, 21.3 SEER Inverter Heat Pump, 230V, Dual Head, Choose your Installation Kits

Dual Zone OLMO Sierra Multi-Zone, 1.5 Ton Air Conditioner, 18,000 BTU with 9k+9k BTU Wall Mount Ductless Mini Split A/C and Heater, R410A, 21.3 SEER Inverter Heat Pump, 230V, Dual Head, Choose your Installation Kits

SKU: OS-MSR18-230VO + 2x OS-M09SRW-230VI

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Regular price $1,280.00
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9,000 BTU Installation Kit - 1
9,000 BTU Installation Kit - 2

NOTE: THE DEFAULT SELECTION DOES NOT INCLUDE AN INSTALLATION KIT. UPGRADE YOUR SELECTION TO ADD TO YOUR ORDER.

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Summary

The OLMO Sierra Series R32 Mini Split is a premium ductless air conditioner and heat pump system designed to deliver exceptional cooling and heating for both residential and light commercial spaces. Utilizing the advanced R32 Refrigerant Mini Split technology, this system ensures superior energy efficiency and environmental friendliness. With capacities ranging from 9,000 BTU to 36,000 BTU, it’s versatile enough to suit a variety of spaces, including bedrooms, living rooms, offices, and more.

This ductless mini split system is equipped with inverter technology for precise temperature control, reducing energy consumption while maintaining optimal comfort. The OLMO Sierra Series is engineered for year-round performance, even in extreme weather conditions, ensuring reliable operation and maximum efficiency. Its ultra-quiet operation, Wi-Fi capability, and included 16ft installation kit make it the ultimate solution for modern comfort and convenience.

Exceptional Features for Maximum Comfort

The OLMO Sierra Series combines inverter technology and an energy-efficient heat pump to provide consistent, cost-effective climate control. The inverter ensures smooth operation with minimal energy waste by adjusting the system's power output based on your exact temperature needs. This results in reduced electricity bills and a more sustainable choice for environmentally conscious homeowners. With its advanced heat pump, the system seamlessly transitions between heating and cooling modes, making it ideal for year-round use. Whether you’re cooling a room during a scorching summer or heating it in freezing winter, the Sierra Series delivers unparalleled performance with minimal noise.

Key Features at a Glance:

  • Efficient Cooling & Heating: High SEER rating up to 20 and HSPF rating up to 9 for cost-effective operation.

  • Quiet Operation: Enjoy a peaceful environment with noise levels as low as 35 dB indoors.

  • Durable & Long-lasting: Anti-corrosive GoldFin coating on the condenser protects against rust and corrosion.

  • Smart Functionality: Wi-Fi-enabled for remote control and scheduling via mobile devices.

  • Versatile Installation: Compact and sleek design suitable for a variety of spaces, with a 16ft pre-flared copper installation kit included.

The OLMO Sierra Series also features auto-swing, multiple fan speeds, comfortable sleep mode, and intelligent defrost and pre-heating functions. Its LED display with self-diagnosis ensures effortless troubleshooting, while the hydrophilic condenser enhances heating efficiency.

For ultimate peace of mind, the system includes a 5-year limited warranty on the compressor and a 2-year limited warranty on parts, provided it’s installed by a licensed HVAC technician.

Why Choose the OLMO Sierra Series?

The OLMO Sierra R32 Mini Split is an excellent investment for those seeking efficient, eco-friendly, and reliable climate control. Whether you're looking to cool your home during summer or keep warm during winter, this system combines advanced technology, robust construction, and modern design to deliver unparalleled performance.

Important: Proper installation by a licensed HVAC professional is required to ensure warranty validity and optimal system performance. Warranty registration must be completed within 60 days of installation.

 


 

What's Included

  • Indoor Unit and Outdoor 230V Olmo Sierra Single Zone unit (9,000 BTU OLMO Sierra Series Wall-Mount). OS-9SRW-230VI + OS-SR18-230VO

  • Includes a 16FT Pre-Flared 99% Copper Installation Kit

  • Wireless Remote Control

  • Installation Manual

  • User’s Manual

  • Manufacturer Warranty

 


 

Key Features:

  • Winning Warranty (5-Year Limited Warranty on the compressor, 2-Year Limited Warranty on parts)

  • Auto Swing, Multiple Fan Speeds, and a Comfortable Sleep Mode

  • Intelligent Defrost & Pre-Heating

  • LED Display with Self-Diagnosis for easy troubleshooting

  • Anti-corrosive GoldFin coating on the condenser for enhanced durability and protection against corrosive elements

  • Energy-efficient SEER rating of up to 20 for cooling and an HSPF rating of up to 9 for heating

For added convenience, the Sierra Series includes a 16ft installation kit with copper line sets, communication wires, drainage extension, and small accessories. Please note that installation must be performed by a licensed HVAC technician to ensure optimal system performance and warranty protection.

Additional Features:

  • Auto Restart Function

  • Timer and Fan Delay Function

  • Intelligent Pre-Heating

  • Hydrophilic condenser for improved heating efficiency

Whether you’re cooling or heating, the OLMO Sierra Series ensures year-round comfort with high-efficiency performance, durable construction, and modern design.

 


 

Important

All units must be installed by a licensed HVAC professional for the warranty to be valid. Registration is required within 60 days of installation and can be completed online or by phone. The installation kit is necessary for the system to function. Ensure that you have selected the desired installation kit above. This kit comes with Pre-Flared 99% Copper Lines, Data Communication Wires, PVC Drainage Attachment, Wrapping Bands, etc.

 


 

OLMO Sierra R32 Single Zone Wall Mount Units


OLMO Alpic R410A Single Zone Wall Mount Units


 

 


 

Warranty

  • 5 year compressor limited warranty

  • 2 year parts limited warranty (must be installed by a licensed HVAC technician)

 


 

Technical Information:

Model Number: OS-M18SRW-230VI

Specification Details
Voltage Range (V) 187-253
Packing Dimensions (W x D x H)
51.75 x 15.44 x 12.50
BTU Rated 18,000
Unit Net/Gross Weight (lbs) 31.97 / 37.48
Unit Dimensions (W x H x D)
48 x 12.63 x 9.25
Power Source
208-230V, 1Ph, 60Hz
Indoor Noise Level (H/M/L) 45 / 41 / 37

Model Number: OS-MSR18-230VO

Outdoor Models OS-MSR18-230VO
Power Supply V-Ph-Hz 208/230V-1Ph-60
Capacity Btu/h 18000
Cooling EER2 Btu/h 12.5
SEER2 Btu/h 21
Rated Capacity Btu/h 18000
Heating HSPF2 Btu/h 9.5
COP2 W/W 3.45
Minimum Circuit Ampacity A 23
Max Fuse A 30
Outdoor Air Flow (Hi) CFM 1850
Outdoor Side Noise Level dB(A) 55
Dimensions (WxHxD) in 33.88x26.38x12.25
Outdoor Unit Packing (WxHxD) in 39x17.75x28.75
Net/Gross Weight in 116.8/125.6
Refrigerant Type/Quantity OZ R410A/63.49
Refrigerant Precharge ft 25
Refrigerant Liquid Side / Gas Side in 1/4" / 3/8"
Piping Max Refrigerant Pipe Length Each/Total ft 82/164
Ambient Outdoor (Cooling) °F 14~114.8
Temperature Outdoor (Heating) °F -13~75.2

 


 


 

Certifications

 


 

Performance Data/Features

  • Winning Warranty (5-Year Limited Warranty on the compressor, 2-Year Limited Warranty on parts)

  • Auto Swing, Multiple Fan Speeds, and a Comfortable Sleep Mode, Wi-Fi

  • Intelligent Defrost & Pre-Heating

  • LED Display with Self-Diagnosis for easy troubleshooting

  • Anti-corrosive GoldFin coating on the condenser for enhanced durability and protection against corrosive elements

  • Energy-efficient SEER rating of up to 21.5 for cooling and an HSPF rating of up to 9.7 for heating

  • Auto Restart Function

  • Timer and Fan Delay Function

  • Intelligent Pre-Heating

  • Hydrophilic condenser for improved heating efficiency

 


 

Manuals & Downloads

 


 

Brackets and Concrete Pads

Line covers

We will prepare your order within 24 hours if it’s received on a weekday (before noon). Orders are shipped in one to two business days. Transit time is between 3 to 6 business days, although exceptions apply. We email tracking information once your purchase is shipped.

Delivery Map

IMPORTANT DELIVERY INFORMATION: Please be kindly informed that this air conditioner, due to its weight and shipping restrictions, is shipped palletized with an arranged freight service and requires an appointment for delivery. To AVOID delays, please check if the provided phone number in the order details is a current number where you can be reached. You can also contact the carrier directly and refer to your tracking number to set up a date and time for your appointment. It is your responsibility to ensure a safe and secure environment for delivery. Please note that we cannot be held liable for any packages that are stolen or lost after delivery has been confirmed. PLEASE verify your shipping address, as changes to the address after freight has shipped can result in an additional 15% or higher fee depending on freight weight and dimensions.

SMALLWARES INFORMATION: Please be informed that for smaller items, such as Installation Kits, Smart Connectivity Dongles, and TTW Sleeves, when these items are ordered individually, they may be shipped via FedEx without a signature requirement. It is your responsibility to ensure a safe and secure environment for delivery. Please note that we cannot be held liable for any packages that are stolen or lost after delivery has been confirmed. Thank you for your understanding and cooperation.

INSPECT YOUR MERCHANDISE BEFORE SIGNING: Please inspect your boxes thoroughly when you receive them. They should arrive shrink-wrapped and on a pallet. If you notice any damages or imperfections (e.g. crushed box or forklift hole), please write comments on the receipt before signing for delivery, no matter how small damages seem. Contact us immediately to assist you.

We will prepare your order within 24-48 hours if it’s received on a weekday (before noon). Orders are shipped in one to two business days. Transit time is between 3 to 6 business days, although exceptions apply. We email tracking information once your purchase is shipped.

Delivery Map. 

 

IMPORTANT DELIVERY INFORMATION: Please be kindly informed that this air conditioner, due to its weight and shipping restrictions, is shipped palletized with an arranged freight service and requires an appointment for delivery. To AVOID delays, please check if the provided phone number in the order details is a current number where you can be reached. You can also contact the carrier directly and refer to your tracking number to set up a date and time for your appointment. It is your responsibility to ensure a safe and secure environment for delivery. Please note that we cannot be held liable for any packages that are stolen or lost after delivery has been confirmed. PLEASE verify your shipping address, as changes to the address after freight has shipped can result in an additional 15% or higher fee depending on freight weight and dimensions.

 

SMALLWARES INFORMATION: Please be informed that for smaller items, such as Installation Kits, Smart Connectivity Dongles, and TTW Sleeves, when these items are ordered individually, they may be shipped via FedEx without a signature requirement. It is your responsibility to ensure a safe and secure environment for delivery. Please note that we cannot be held liable for any packages that are stolen or lost after delivery has been confirmed. Thank you for your understanding and cooperation.

 

INSPECT YOUR MERCHANDISE BEFORE SIGNING: Please inspect your boxes thoroughly when you receive them. They should arrive shrink-wrapped and on a pallet. If you notice any damages or imperfections (e.g. crushed box or forklift hole), please write comments on the receipt before signing for delivery, no matter how small damages seem. Contact us immediately to assist you.

Southminisplits exclusively distributes Cooper & Hunter and OLMO products, you can always find the most technical information on the manufacturer's website:
Cooper & Hunter
DETAILED PRODUCT BOOKLETS FOR THIS PRODUCT:
Olivia Series Booklet
Multi-Zone Booklet
Specification Table
Quick-Start Guide
Installation Manual
General Manufacturing Information
Rebates