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MRCOOL

MRCOOL Olympus Duct 9,000 BTU (3/4 Ton) – DUCT-09HP-230B-O

SKU: DUCT-09HP-230B-O

System highlights
AC Type
Slim Duct
Refrigerant Type
R454B
Brand
MRCOOL
Indoor Unit
9000 BTU (0.75 TON)
Voltage
208-230V
Looking For
Slim Duct
Cooling Area (sq.ft.)
250-400
Series
Olympus 4th Generation
Installation Kit

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

Price

$640.00
Shipping calculated at checkout.
Quantity
View full details
MRCOOL — Slim Duct

MRCOOL Olympus Duct 9,000 BTU (3/4 Ton) – DUCT-09HP-230B-O

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MRCOOL Olympus Duct 9,000 BTU (3/4 Ton) – DUCT-09HP-230B-O


Overview

The MRCOOL® OLYMPUS 9K DUCT Air Handler is a reliable solution for heating and cooling spaces up to 400 square feet, making it an excellent fit for bedrooms, home offices, or other compact areas. Its ceiling-integrated design allows for a discreet, flush installation that blends effortlessly into any interior, providing a sleek and contemporary appearance. This space-saving setup is ideal for both residential and light commercial environments where aesthetics and functionality are equally important. For convenient operation, the unit includes both a wall-mounted wired controller and a handheld remote, allowing you to adjust your settings from across the room or right at your fingertips. Whether you're relaxing on the couch or managing temperature throughout the day, controlling your climate is simple and user-friendly. The air handler utilizes R-454B refrigerant, a next-generation, eco-conscious option that combines high performance with environmental responsibility. Its low global warming potential (GWP) significantly reduces the unit’s ecological impact while maintaining energy efficiency and reliable operation. For environmentally mindful homeowners, R-454B is a smart choice that supports sustainability without compromising performance. Backed by a limited lifetime warranty, 7-year compressor coverage, and a 5-year parts warranty, the MRCOOL® OLYMPUS 9K DUCT Air Handler is built to deliver dependable, long-term comfort. It’s a perfect solution for those who appreciate energy efficiency, quiet operation, and sleek design all in one dependable system.


Quick Facts

  • Capacity: 9,000 BTU (3/4 Ton)
  • Coverage: Up to 400 sq. ft.
  • Refrigerant: R-454B
  • Voltage/Phase/Frequency: 208/230V, 1-Phase, 60 Hz
  • Sound: 32.5 / 32.5 / 31 / 29.5 / 23 dBA (5 speeds)
  • Airflow: Ducted
  • Fan Speeds: 5 (Variable)
  • Controls: Wired Wall Controller & Handheld Remote
  • Smart/Wi-Fi/App: No
  • Listings: UL, CSA, ETL

Use our sizing calculator (BTU Calculator) to dial in the right capacity.


Works With (Outdoor Units)

O-ES-09-HP-C-230C-O1, MULTI3-18HP230C-O, MULTI4-27HP230C-O, MULTI5-36HP230C-O, MULTI6-48HP230C-O


Included in Your Order

  • MRCOOL Olympus 9K Ducted Air Handler – Model: DUCT-09HP-230B-O
  • Wired Wall Controller
  • Remote Control
  • Installation Manual
  • Owner’s & Service Information

Lineset, outdoor unit, and accessories sold separately.


Key Features

  • Ceiling-concealed ducted installation
  • Ultra-quiet operation down to 23 dBA
  • R-454B low-GWP refrigerant
  • 5 variable fan speeds
  • Reusable filter
  • Sleep Mode, Auto Cool, Fan-Only option
  • UL, CSA, and ETL listed

Technical Specifications

Specification Details
Brand / Series MRCOOL / Olympus Duct
Model DUCT-09HP-230B-O
GTIN / UPC 00840255587662 / 840255587662
Unit Type Mini-Split
Tonnage 0.75
Voltage / Phase / Cycle 208/230V / 1-Phase / 60 Hz
Max Fuse Breaker 15 A
Min Circuit Ampacity 3 A
Mount Type Ducted
Color Metal
Max Coverage Area Up to 400 sq. ft.
Refrigerant Type R-454B
Sound (dBA) 32.5 / 32.5 / 31 / 29.5 / 23
Airflow Direction Ducted
Number of Speeds 5 (Variable)
Oscillation No
Lineset Fitting Type Flare
Liquid / Suction Line 1/4" / 3/8"
Blower Motor Speeds (CFM) 323.7 / 264.9 / 206 / 147.2 / 117.7
Blower Motor RPM 850 / 680 / 450
Auxiliary Heater (Included / Available) No / No
Fan Only / Sleep Mode / Auto Cool Yes / Yes / Yes
Wi-Fi / App / iOS / Android No / No / No / No
Remote Included Yes
UL / CSA / ETL Listed Yes / Yes / Yes
Prop 65 Yes
Restricted States GU, PR, VI
Net Dimensions (HxWxD) 7.87" × 27.56" × 19.92"
Net / Gross Weight 39.46 lbs / 46.74 lbs

Warranty Information

  • Limited Lifetime (see MRCOOL terms)
  • 7-Year Compressor Coverage
  • 5-Year Parts Warranty
  • Registered Labor Warranty: None
  • Base Labor Warranty: None

Manuals & Downloads

Please note: Indoor air handler must be matched with a compatible MRCOOL outdoor unit. Lineset, controls, and accessories sold separately.