MRCOOL 4th Gen Olympus E Star 18,000 BTU Single Zone Mini Split with Ducted Air Handler and Heat Pump Condenser

MRCOOL 4th Gen Olympus E Star 18,000 BTU Single Zone Mini Split with Ducted Air Handler and Heat Pump Condenser

SKU: OY4-1ZD-18HP-18K

Sale price$2,180.00 Regular price$2,699.90
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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

The MRCOOL® OLYMPUS E-STAR® 18,000 BTU Ducted Mini Split System provides efficient heating and cooling for spaces up to 800 sq. ft., making it ideal for larger bedrooms, offices, or small commercial areas. Designed with a slim, ceiling-concealed air handler and a compact outdoor condenser, it offers powerful performance in a sleek, space-saving design. With Wi-Fi connectivity and the MRCOOL® Smart HVAC app, you can control your comfort from anywhere—or use Amazon Alexa, Google Assistant, or the included remote and wall controller for effortless, hands-free operation.

Built for quiet performance and sustainable comfort, the OLYMPUS 18k Series keeps your space cozy without increasing energy costs or noise. Its Energy Star Certified efficiency and eco-friendly R-454B refrigerant help reduce environmental impact, while maintaining consistent temperature control year-round. Backed by a limited lifetime warranty, plus 7-year compressor and 5-year parts coverage, this system combines modern convenience, energy savings, and reliable comfort for any setting.

Features

  • 18,000 BTU capacity – ideal for spaces up to 800 sq. ft.
  • Smart Wi-Fi control via MRCOOL® Smart HVAC app
  • Voice control with Amazon Alexa & Google Assistant
  • Low-profile ducted design for a discreet, space-saving installation
  • Energy Star Certified for high efficiency and lower energy costs
  • Quiet operation for a peaceful indoor environment
  • Eco-friendly R-454B refrigerant for reduced environmental impact
  • Wired wall controller and remote control included
  • 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

The MRCOOL® OLYMPUS 18K DUCT Air Handler delivers dependable heating and cooling for areas up to 800 square feet, making it an excellent solution for spacious bedrooms, home offices, or compact commercial spaces. Its low-profile, ceiling-concealed installation allows it to virtually disappear from view, maintaining a clean and modern interior without sacrificing performance.

Designed with versatility in mind, this system seamlessly blends into residential or light commercial environments, offering both elegance and efficiency in one compact package. Whether you're looking to optimize comfort at home or in a workspace, this unit is engineered to provide precise climate control without dominating your space. Control is effortless thanks to the included wired wall-mounted controller and handheld remote. Adjusting your temperature preferences is simple and convenient—no need to interrupt your routine or leave your seat. Environmentally conscious performance is also a hallmark of this system, utilizing advanced R-454B refrigerant. This low global warming potential refrigerant provides outstanding heating and cooling while significantly reducing your carbon footprint. It's an ideal choice for anyone seeking high performance paired with sustainability.

The MRCOOL® OLYMPUS 18K DUCT Air Handler is backed by a limited lifetime warranty, along with 7-year compressor protection and a 5-year parts warranty. It’s the perfect choice for those who prioritize comfort, energy efficiency, and modern convenience in a sleek, discreet design.

Works With

  • O-ES-18-HP-C-230C-O1
  • MULTI4-27HP230C-O
  • MULTI5-36HP230C-O
  • MULTI6-48HP230C-O
Net Dimensions (In) 26.54 D x 8.27 H x 34.65 W
Net Weight (Lbs) 54.45
Tonnage 1.5
Voltage (V) 208/230
Phase 1
Cycle 60
Max Fuse Breaker (A) 15
Min Circuit Ampacity (A) 3
Mount Type Ducted
Color Metal
Max Coverage Area Up to 800
Refrigerant Type R-454B
Decibel Rating (Dba) 40/40/39/38/32
Decibel Rating Low (Dba) 32
Decibel Rating High (Dba) 40
Air Flow Direction Ducted
Number Of Speeds 5 (Variable)
Oscillation No
Lineset Fitting Type Flare
Liquid Line Size 1/4
Suction Line Size 1/2
Blower Motor Speeds 600.4/559.2/500.3/441.4/441.4
Blower Motor Rpm 780/700/550
Auxiliary Heater Included No
Auxiliary Heater Available No
Fan Only Option Yes
Sleep Mode Yes
Auto Cool Yes
Wifi Compatibility No
App Compatibility No
Works With Ios No
Works With Android No
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 Weight (Lbs) 66.14

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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