MRCOOL 4th Gen Olympus E Star 18,000 BTU Single Zone Mini Split with Wall Mount Air Handler and Heat Pump Condenser (O-ES-18-HP-230C-O1)

MRCOOL 4th Gen Olympus E Star 18,000 BTU Single Zone Mini Split with Wall Mount Air Handler and Heat Pump Condenser (O-ES-18-HP-230C-O1)

SKU: O-ES-18-HP-230C-O1

Sale price$1,867.00 Regular price$2,399.90
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Choose Line Set Lengths:

18K Air Handler Line Set:


In Stock Estimated delivery: Nov 22nd-1st
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Package Overview

Stay comfortable year-round with the MRCOOL® OLYMPUS E-STAR® 18,000 BTU Ductless Mini Split System, designed to efficiently heat and cool areas up to 800 sq. ft. Ideal for bedrooms, offices, or garages, this sleek system includes both an air handler and outdoor condenser for reliable performance in any season. With built-in Wi-Fi connectivity and the MRCOOL® Smart HVAC app, you can adjust your comfort from anywhere—or use the included remote control or voice commands through Amazon Alexa and Google Assistant for effortless convenience.

Delivering exceptional efficiency and quiet operation, the OLYMPUS 18k keeps your space comfortable without driving up energy costs. Its Energy Star certification and eco-friendly R-454B refrigerant ensure sustainable performance, while whisper-quiet operation lets you enjoy peace and comfort. Backed by a limited lifetime warranty, plus 7-year compressor and 5-year parts coverage, it’s a smart, long-lasting solution for dependable home climate control.

Features

  • 18,000 BTU capacity – ideal for spaces up to 800 sq. ft.
  • Smart control via Wi-Fi app, remote, or voice commands
  • Energy Star Certified for efficient operation
  • Quiet performance for a peaceful environment
  • Eco-friendly R-454B refrigerant
  • Compact, easy-to-install design
  • Limited lifetime warranty with 7-year compressor & 5-year parts coverage

Package Includes:

Description
Product Specs
Manuals & Guides

The MRCOOL® OLYMPUS E-STAR® 18k Series condenser delivers reliable heating and cooling for areas up to 800 square feet, making it an excellent choice for bedrooms, home offices, garages, and other mid-sized spaces. Its compact design allows for straightforward installation, even in tighter or less conventional areas. With built-in Wi-Fi and the MRCOOL® Smart HVAC app, you can effortlessly control temperature, fan speed, and other settings from your smartphone or tablet, no matter where you are. Prefer more traditional control? Use the included remote control for quick, easy access to the system’s settings. Designed for energy efficiency, this unit features impressive SEER2 and EER2 ratings of 23.5 and 12.7, respectively, along with a HSPF2-4 rating of 10.8. These ratings help keep your energy costs low while maintaining consistent comfort. Additionally, the outdoor fan operates at a quiet 58 dB, ensuring minimal disruption in your living space. The air handler uses R-454B refrigerant, an eco-conscious solution that provides excellent performance while reducing environmental impact. This system is also compatible with voice control via Amazon Alexa and Google Assistant, allowing for hands-free adjustments. The MRCOOL® OLYMPUS E-STAR® 18k Series comes with a limited lifetime warranty, 7-year compressor coverage, and a 5-year parts warranty, guaranteeing long-lasting reliability, innovative technology, and peace of mind.

Features

  • Installation by a licensed professional required where applicable 7-Year Compresser, 5-Year Parts warranty when registered and installed by a licensed professional R-454B environmentally friendly friendly refrigerant Energy Star Certified

Works With

  • O-18-HP-WMAH-230C-O
  • DUCT-18HP-230B-O
  • CASSETTE18HP-230C-O
Net Dimensions (In) 13.46 D x 26.5 H x 35.04 W 
Net Weight (Lbs) 99.87
SEER2 Up to 21.4
EER2 Up to 12.5
HSPF2-4 11
HSPF2-5 8.5
Tonnage 1.5
Cooling Capacity (Btu) 18000
Heating Capacity (Btu) 18000
Voltage (V) 208/230
Phase 1
Cycle 60
Max Fuse Breaker (A) 20
Min Circuit Ampacity (A) 19
Color White
Max Coverage Area Up to 800
Refrigerant Type R-454B
Refrigerant Volume (Oz) 55.38
Decibel Rating (Dba) 59
Inverter DC
Max Lineset Length (Ft) 98.4
Lineset Fitting Type Flare
Liquid Line Size 1/4
Suction Line Size 1/2
Compressor Motor Type Rotary
Condenser Fan Motor Rpm 780/700/550
Metering Device EXV + Throttle Valve
Ul Listed Yes
Csa Listed Yes
Etl Listed Yes
Energy Star Certified Yes
Ahri Certified Yes
Base Warranty 5-Year Parts/7-Year Compressor
Base Parts Warranty 5-Year
Base Compressor Warranty 7-Year
Base Remote Warranty 5 Year
Registered Labor Warranty None
Base Labor Warranty None
Has Batteries Yes
Contains Electronics Yes
Contains Chemicals Yes
Contains Compressed Gas Yes
Proposition 65 Warning Yes
Restricted States GU, PR, VI
Gross Depth (In) 15.67
Gross Height (In) 29.13
Gross Width (In) 39.17
Gross Weight (Lbs) 107.8
Description
Product Specs
Manuals & Guides

Enjoy peace of mind and reliable comfort with the MRCOOL® OLYMPUS ESTAR® 18k Series air handler, designed to efficiently heat and cool areas up to 800 square feet—making it an ideal choice for large rooms, offices, garages, and more. Thanks to its compact design, installation is fast and straightforward. Control your comfort from anywhere with the MRCOOL® Smart HVAC app, which allows Wi-Fi connectivity for remote access via your smartphone or tablet. For added convenience, the unit also includes a wireless remote control, giving you flexible options to manage your indoor climate with ease. Engineered for energy efficiency, this system features a SEER2 rating of 23.5, EER2 of 12.7, and HSPF2-4 of 10.8, helping you lower your utility costs while staying comfortable year-round. With multiple fan speed settings and whisper-quiet operation at just 49 dB, it delivers powerful performance with minimal noise. Now using R-454B refrigerant, a more eco-friendly choice, this unit supports environmentally conscious living without sacrificing performance. Enjoy seamless control options, including the smartHVAC app, wireless remote, and voice control compatibility with Amazon Alexa and Google Assistant, giving you personalized comfort at your fingertips. Backed by an industry-leading warranty—including a limited lifetime warranty, 7-year compressor warranty, and 5-year parts warranty—the MRCOOL® OLYMPUS ESTAR® 18k Series air handler offers dependable performance, smart technology, and lasting comfort throughout the seasons.

Works With

  • O-ES-18-HP-C-230C-O1
  • MULTI4-27HP230C-O
  • MULTI5-36HP230C-O
  • MULTI6-48HP230C-O
Net Dimensions (In) 9.69 D x 12.64 H x 40.31 W 
Net Weight (Lbs) 27.34
Tonnage 1.5
Voltage (V) 208/230
Phase 1
Cycle 60
Max Fuse Breaker (A) 15
Min Circuit Ampacity (A) 3
Mount Type Wall
Color White
Max Coverage Area Up to 800
Refrigerant Type R-454B
Decibel Rating (Dba) 49.5/45/38/31.5/19.5
Decibel Rating Low (Dba) 19.5
Decibel Rating High (Dba) 49.5
Number Of Speeds 5 (Variable)
Oscillation Yes
Lineset Fitting Type Flare
Liquid Line Size 1/4
Suction Line Size 1/2
Blower Motor Speeds 635.7/500.3/359/294.3/294.3
Blower Motor Rpm 1190/994/896
Filter Type Reusable
Auxiliary Heater Included No
Auxiliary Heater Available No
Fan Only Option Yes
Sleep Mode Yes
Auto Cool Yes
Wifi Compatibility Yes
App Compatibility Yes
Works With Ios Yes
Works With Android Yes
Remote Control Included Yes
UL Listed Yes
CSA Listed Yes
ETL Listed Yes
Base Warranty 5-Year Parts
Base Parts Warranty 5-Year
Base Remote Warranty 5 Year
Registered Labor Warranty None
Base Labor Warranty None
Has Batteries Yes
Contains Electronics Yes
Contains Chemicals Yes
Contains Compressed Gas Yes
Proposition 65 Warning Yes
Restricted States GU, PR, VI
Gross Depth (In) 12.8
Gross Height (In) 15.75
Gross Width (In) 43.11
Gross Weight (Lbs) 36.6

Mini Split FAQ

 

What BTU rating should I choose for my air handler?

  • This depends on the coverage area/room size you are trying to heat/cool
  • An Air Handler's BTU is how powerful the fan is. A higher BTU rating will be able to heat/cool a larger area
Air Handler BTU Coverage Area/Room Size (Sq. Ft.)*
6K
Up to 200 Sq. Ft.
9K
Up to 375 Sq. Ft.
12K Up to 500 Sq. Ft.
18K Up to 750 Sq. Ft.
24k Up to 1,000 Sq. Ft.
36k Up to 1,500 Sq. Ft.

 

*Ceiling height, insulation, and local climate may impact the coverage area. For example, an uninsulated room will require more power than a well insulated room.

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