5 Zone 42,000 BTU OLMO Series Ductless Mini Split AC Wall Mounted 9k+9k+9k+9k+24k | No Kit

OLMO

OS-RMS42-230VOM09SRWM09SRWM09SRWM09SRWM24SRW-NO
Product specifications
Brand Olmo
Voltage 230V
SEER 21
WiFi Included
Zone Five Zone
Type Wall Mount
Freon R454B
Compressor Inverter
$4,000.50
Shipping Policy calculated at checkout.
All Zones Installation Kit: No Installation Kit

Pickup available at 3550 Northwest 113th Court

Usually ready in 2-4 days

FREE Armbridge Accessory With This Purchase

Choose one below — it will be added to your cart for free

Select your free accessory:

FREE
ARMBRIDGE AB-RF Rubber Feet Mounting Set Heavy-Duty Adjustable Base with Built-In Leveler
AB-RF Rubber Feet Mounting Set Heavy-Duty Adjustable Base...
FREE
ARMBRIDGE Mini Split Wall Mounting Bracket High Load Capacity Zinc, Vibration-Absorbing (Up to 550 lbs Each)
Mini Split Wall Mounting Bracket High Load Capacity Zinc,...
FREE
ARMBRIDGE Mini Split Wall Mounting Bracket High Load Capacity Foldable 304 Stainless Steel, Vibration-Absorbing (Up to 550 lbs Each)
Mini Split Wall Mounting Bracket High Load Capacity Folda...
FREE
ARMBRIDGE Heavy-Duty Mini Split Ground Stand, Zinc-Coated Brackets for 24,000–60,000 BTU Units Weatherproof Design, 330+ lbs Capacity
Heavy-Duty Mini Split Ground Stand, Zinc-Coated Brackets ...
FREE
ARMBRIDGE 18"x38"x3" Ribbed Plastic Condenser Pad Shock-Absorbing, Anti-Slip Foundation for HVAC Systems and Outdoor Equipment
18"x38"x3" Ribbed Plastic Condenser Pad Shock-Absorbing, ...
Free gift added to your cart!
All Zones Installation Kit
Discount Banner
TrustScore 4.8

Sierra Wall Mount

OLMO's Multi-Zone Sierra Series is a versatile HVAC solution that provides efficient heating and cooling for multiple rooms, featuring advanced inverter technology for precise temperature control and significant energy savings. Using eco-friendly R410A refrigerant, the system delivers reliable performance with minimal environmental impact. Ideal for both residential and commercial applications, the Sierra Series combines quiet operation, flexible installation, and user-friendly controls, making it a perfect choice for maintaining year-round comfort across multiple zones with one efficient system.

White multi-zone sierra air conditioner with shield logo and checkmark.

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
White wall-mounted air conditioner with sleek design and modern aesthetic.

Main Features

OLMO's Multi-Zone Sierra Series delivers efficient multi-room comfort with advanced inverter technology for precise temperature control. Its eco-friendly R454B 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 Models OS-RM09SW-230VI OS-RM12SW-230VI OS-RM18SW-230VI OS-RM24SW-230VI
Power Supply (V-Ph-Hz) 208/230V-1Ph-60 208/230V-1Ph-60 208/230V-1Ph-60 208/230V-1Ph-60
Cooling Capacity (Btu/h) 9000 12000 18000 23400
Heating Rated Capacity (Btu/h) 9500 13000 19000 26000
Output Power (W) 25 25 35 35
Rated Current (A) 0.11 0.11 0.17 0.17
Indoor Air Flow (CFM) 341 365 647 706
Indoor Noise Level (Hi/Mi/Lo) (dB(A)) 39/35/30 39/35/30 45/41/37 47/45/42
Net Dimensions (WxHxD) (in) 32.02x10.75x8.13 37.38x10.75x8.13 48x12.63x9.25 48x12.63x9.25
Packing (WxHxD) (in) 39.38x13.19x6.38 39.38x13.19x6.38 51.75x15.44x12.50 51.75x15.44x12.50
Net/Gross Weight (lbs) 19.84 / 24.25 19.84 / 24.25 31.97 / 37.48 31.97 / 37.48
Refrigerant Piping (Liquid Side / Gas Side) (in) 1/4" / 3/8" 1/4" / 3/8" 1/4" / 1/2" 3/8" / 5/8"
Outdoor Models OS-RMS18-230VO OS-RMS24-230VO OS-RMS36-230VO OS-RMS42-230VO
Power Supply (V-Ph-Hz) 208/230V-1Ph-60 208/230V-1Ph-60 208/230V-1Ph-60 208/230V-1Ph-60
Cooling Capacity (Btu/h) 18000 27000 36000 42000
EER2 13.33 12.85 12.85 12.0
SEER2 22.0 23.0 22.0 22.0
Heating Rated Capacity (Btu/h) 18000 27000 36000 36000
HSPF2 10.0 10.0 10.0 9.5
COP2 (W/W) 3.82 3.60 3.91 3.60
Max Fuse (A) 30 40 50 60
Outdoor Air Flow (Hi) (CFM) 1850 3357 3357 3357
Outdoor Side Noise Level (dB(A)) 55 62 64 64
Dimensions (WxHxD) (in) 33.88x26.38x12.25 38.38x32.88x14.12 38.38x32.88x14.12 38.38x32.88x14.12
Outdoor Unit Packing (WxHxD) (in) 39x28.75x17.75 43.75x37.75x18.12 43.75x37.75x18.12 43.75x37.75x18.12
Net/Gross Weight (lbs) 101.4/112.4 160.6/183.2 169.8/191.8 172/194
Refrigerant Type/Quantity (oz) R454B/51.15 R454B/76.2 R454B/105.8 R454B/105.8
Refrigerant Piping (Liquid Side / Gas Side) (in) 1/4" / 3/8" 1/4" / 3/8" 1/4" / 3/8" 1/4" / 3/8"
Max Refrigerant Pipe Length Each/Total (ft) 82/164 82/230 82/230 82/262
Ambient Outdoor (Cooling) (°F) 5~125 5~125 5~125 5~125
Ambient Outdoor (Heating) (°F) -13~75 -13~75 -13~75 4~75

Multiple Control Methods

Olmo’s Multi-Zone Sierra Series can be managed with a user-friendly remote control and the. This options offer precise temperature adjustments and optimal climate control for ultimate convenience.

App Promo

Frequently Asked Questions

How many rooms can the Olmo 5 Zone 42,000 BTU mini split cool?

The Olmo 5 Zone 42,000 BTU mini split is designed to effectively cool multiple rooms, typically accommodating up to five distinct zones. This makes it ideal for larger homes or commercial spaces that require targeted climate control.

Can I mix BTU sizes with the Olmo mini split system?

Yes, you can mix BTU sizes with the Olmo mini split system, allowing for customized comfort in each zone. However, ensure that the total BTU load does not exceed the system's capacity of 42,000 BTU for optimal performance.

Do all zones run simultaneously in the Olmo multi-zone mini split?

In the Olmo multi-zone mini split system, all zones can run simultaneously or independently based on your needs. This flexibility allows for efficient energy use and tailored comfort in different areas of your home.

What is the efficiency of the Olmo mini split compared to multiple single-zone units?

The Olmo 5 Zone mini split boasts a SEER rating of 21.0, offering superior efficiency compared to multiple single-zone units. Utilizing a single system for multiple zones can lead to lower energy bills and streamlined maintenance.

What warranty does the Olmo mini split offer?

The Olmo mini split comes with a comprehensive 5-year parts and compressor warranty, ensuring long-term peace of mind for your investment. This warranty covers essential components, giving you confidence in the system's reliability.

Is the Olmo mini split pre-charged with refrigerant?

Yes, the Olmo mini split is pre-charged with R454B refrigerant for installations with up to 25 ft of line set. This feature simplifies the installation process and helps ensure optimal cooling performance right from the start.