3 Zone 24,000 BTU OLMO Sierra Ductless Mini Split AC Wall Mounted 9k+9k+12k | No Kit No Kit No Kit

R410A
White OLMO 24000 BTU Ductless Mini Split Air Conditioner with R410A refrigerant 230V SEER 22.0 InverterWhite OLMO 24000 BTU Ductless Mini Split Air Conditioner with R410A refrigerant 230V SEER 22.0 Inverter
R410A
White OLMO 24000 BTU Ductless Indoor Unit Mini Split Air Conditioner with R410A refrigerant 230V SEER 22.0 InverterWhite OLMO 24000 BTU Ductless Indoor Unit Mini Split Air Conditioner with R410A refrigerant 230V SEER 22.0 Inverter
R410A
White OLMO 24000 BTU Ductless Outdoor Unit Mini Split Air Conditioner with R410A refrigerant 230V SEER 22.0 InverterWhite OLMO 24000 BTU Ductless Outdoor Unit Mini Split Air Conditioner with R410A refrigerant 230V SEER 22.0 Inverter
R410A
White OLMO 24000 BTU Ductless Mini Split with Remote Control with R410A refrigerant 230V SEER 22.0 InverterWhite OLMO 24000 BTU Ductless Mini Split with Remote Control with R410A refrigerant 230V SEER 22.0 Inverter
R410A
OLMO 24000 BTU Ductless Mini Split Installation Kit with R410A refrigerant 230V SEER 22.0 InverterOLMO 24000 BTU Ductless Mini Split Installation Kit with R410A refrigerant 230V SEER 22.0 Inverter
R410A
Drainage System OLMO 24000 BTU Ductless Mini Split System Components with R410A refrigerant 230V SEER 22.0 InverterDrainage System OLMO 24000 BTU Ductless Mini Split System Components with R410A refrigerant 230V SEER 22.0 Inverter
R410A
OLMO 24000 BTU Ductless Mini Split Air Conditioner with R410A refrigerant 230V SEER 22.0 Inverter - View 8OLMO 24000 BTU Ductless Mini Split Air Conditioner with R410A refrigerant 230V SEER 22.0 Inverter - View 8
White OLMO 24000 BTU Ductless Mini Split Air Conditioner with R410A refrigerant 230V SEER 22.0 Inverter
White OLMO 24000 BTU Ductless Indoor Unit Mini Split Air Conditioner with R410A refrigerant 230V SEER 22.0 Inverter
White OLMO 24000 BTU Ductless Outdoor Unit Mini Split Air Conditioner with R410A refrigerant 230V SEER 22.0 Inverter
White OLMO 24000 BTU Ductless Mini Split with Remote Control with R410A refrigerant 230V SEER 22.0 Inverter
OLMO 24000 BTU Ductless Mini Split Installation Kit with R410A refrigerant 230V SEER 22.0 Inverter
Drainage System OLMO 24000 BTU Ductless Mini Split System Components with R410A refrigerant 230V SEER 22.0 Inverter
OLMO 24000 BTU Ductless Mini Split Air Conditioner with R410A refrigerant 230V SEER 22.0 Inverter - View 8

OLMO

OS-MSR24-230VO09WM09WM12WM-NO/NO/NO
Product specifications
Brand Olmo
Voltage 230V
SEER 22
WiFi Included
Zone Three Zone
Type Wall Mount
Freon R410A
Compressor Inverter
$1,560.74 $1,451.48 Save 7%
Shipping Policy calculated at checkout.
9,000 Installation Kit: No Installation Kit
9,000 Installation Kit (2): No Installation Kit
12,000 Installation Kit: No Installation Kit

Pickup available at 3550 Northwest 113th Court

Usually ready in 2-4 days

Hurry to buy! Get your mini-split system with R-410A refrigerant (offer valid until November 27)
Important info
  • R-410A is being phased down in favor of newer refrigerants; inventory is limited.
  • Existing R-410A systems remain serviceable; parts and qualified service are widely available.
  • Check local codes and rebates. Some incentives prioritize high-efficiency heat pumps (R-32/R-454B).
  • We stock both R-410A and next-gen options—choose what fits your timeline and budget.

Browse: R-410A systems · R-32 · R-454B

9,000 Installation Kit
9,000 Installation Kit (2)
12,000 Installation Kit
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Sierra Wall Mount

OLMO's Multi-Zone Sierra Series is a versatile HVAC solution designed to provide efficient heating and cooling for multiple rooms, equipped with advanced inverter technology for precise temperature control and significant energy savings. Using eco-friendly R410A 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 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 R410A 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-M09SRW-230VI OS-M12SRW-230VI OS-M18SRW-230VI OS-M24SRW-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-MSR18-230VO OS-MSR24-230VO OS-MSR36-230VO OS-MSR42-230VO
Power Supply V-Ph-Hz 208/230V-1Ph-60 208/230V-1Ph-60 208/230V-1Ph-60 208/230V-1Ph-60
Capacity Btu/h 18000 24000 32000 42000
Cooling
EER2 Btu/h 12.5 12.5 12.5 10.5
SEER2 Btu/h 21.0 22.0 21.0 20.0
Heating
Rated Capacity Btu/h 18000 24000 36000 42000
HSPF2 Btu/h 9.50 9.05 9.00 8.95
COP2 W/W 3.45 3.66 3.37 3.17
Minimum Circuit Ampacity A 23 25 32.2 35
Max Fuse A 30 30 50 50
Outdoor Air Flow (Hi) CFM 1850 2350 3411 3411
Outdoor Side Noise Level dB(A) 55 55 59 63
Dimensions (WxHxD) in 33.88×26.38×12.25 37.38×33×13.38 37.38×41.38×13.38 37.38×41.38×13.38
Outdoor Unit Packing (WxHxD) in 39×17.75×28.75 43.75×18.13×36.25 43.75×18.13×47.25 43.75×18.13×47.25
Net/Gross Weight lbs 116.8/125.6 158.7/169.5 188.5/220.5 198.4/224.5
Refrigerant
Refrigerant Type/Quantity oz R410A/63.49 R410A/81.13 R410A/105.82 R410A/120
Refrigerant Precharge ft 50 75 98 98
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 66/197 66/246 66/262
Ambient Temperature
Outdoor (Cooling) °F 14~114.8 14~114.8 14~114.8 14~114.8
Outdoor (Heating) °F -13~75.2 -13~75.2 -13~75.2 -4~75.2

Multiple Control Methods

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

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