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Every piece below is included in your system price — matched to optimize efficiency, power and compatibility. Tap a piece to see its full description, specs and manuals.
The MRCOOL® OLYMPUS ESTAR® 9k Series condenser offers reliable heating and cooling for spaces up to 400 square feet, making it an excellent choice for rooms, home offices, garages, and other compact areas. Its space-saving design makes installation fast and straightforward, even in more confined or challenging spaces. Featuring Wi-Fi connectivity and the MRCOOL® Smart HVAC app, you can manage the system's temperature, fan speed, and settings directly from your smartphone or tablet—giving you the flexibility to adjust your climate from virtually anywhere. If you prefer traditional control, the included remote provides easy access to all essential functions.
Designed with energy savings in mind, the unit delivers impressive SEER2 and EER2 ratings of 25.8 and 14.9, respectively, along with a HSPF2-4 rating of 12.5, helping you lower utility costs while maintaining optimal comfort. The outdoor fan runs quietly at just 52.5 dB, so you can enjoy consistent performance without disruptions. The air handler uses R-454B refrigerant, an eco-friendly choice that helps protect the environment while maintaining excellent efficiency and performance. For additional convenience, it is compatible with voice control via Amazon Alexa and Google Assistant, so you can adjust settings hands-free. The MRCOOL® OLYMPUS ESTAR® 9k Series is also backed by a limited lifetime warranty, 7-year compressor coverage, and a 5-year parts warranty, ensuring reliable performance, advanced technology, and long-lasting 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-09-HP-WMAH-230C-O
- DUCT-09HP-230B-O
- CASSETTE09HP-230C-O
- Net Dimensions (In)
- 12.99 D x 21.81 H x 31.69 W
- Net Weight (Lbs)
- 72.75
- Gross Depth (In)
- 14.57
- Gross Height (In)
- 24.24
- Gross Width (In)
- 36.02
- Gross Weight (Lbs)
- 78.7
- Color
- White
- Max Coverage Area
- Up to 400
- Inverter
- DC
- Metering Device
- EXV
- SEER2
- Up to 27.4
- EER2
- Up to 15.4
- HSPF2-4
- 12.5
- HSPF2-5
- 9.5
- Tonnage
- 0.75
- Cooling Capacity (Btu)
- 9000
- Heating Capacity (Btu)
- 12000
- Cycle
- 60
- Compressor Motor Type
- Rotary
- Condenser Fan Motor Rpm
- 850/680/450
- Decibel Rating (Dba)
- 56
- Voltage (V)
- 208/230
- Phase
- 1
- Max Fuse Breaker (A)
- 15
- Min Circuit Ampacity (A)
- 15
- Refrigerant Type
- R-454B
- Refrigerant Volume (Oz)
- 35.27
- Max Lineset Length (Ft)
- 82
- Lineset Fitting Type
- Flare
- Liquid Line Size
- 1/4
- Suction Line Size
- 3/8
- Ul Listed
- Yes
- Csa Listed
- Yes
- Etl Listed
- Yes
- Energy Star Certified
- Yes
- Ahri Certified
- Yes
- Has Batteries
- Yes
- Contains Electronics
- Yes
- Contains Chemicals
- Yes
- Contains Compressed Gas
- Yes
- Proposition 65 Warning
- Yes
- Restricted States
- GU, PR, VI
- 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
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.
Work With
- O-ES-09-HP-C-230C-O1
- MULTI3-18HP230C-O
- MULTI4-27HP230C-O
- MULTI5-36HP230C-O
- MULTI6-48HP230C-O
- Net Dimensions (In)
- 19.92 D x 7.87 H x 27.56 W
- Net Weight (Lbs)
- 39.46
- Gross Weight (Lbs)
- 46.74
- Mount Type
- Ducted
- Color
- Metal
- Max Coverage Area
- Up to 400
- Air Flow Direction
- Ducted
- Number Of Speeds
- 5 (Variable)
- Oscillation
- No
- Tonnage
- 0.75
- Cycle
- 60
- Blower Motor Speeds
- 323.7/264.9/206/147.2/117.7
- Blower Motor Rpm
- 850/680/450
- Decibel Rating (Dba)
- 32.5/32.5/31/29.5/23
- Decibel Rating Low (Dba)
- 23
- Decibel Rating High (Dba)
- 32.5
- Voltage (V)
- 208/230
- Phase
- 1
- Max Fuse Breaker (A)
- 15
- Min Circuit Ampacity (A)
- 3
- Refrigerant Type
- R-454B
- Lineset Fitting Type
- Flare
- Liquid Line Size
- 1/4
- Suction Line Size
- 3/8
- 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
- Has Batteries
- Yes
- Contains Electronics
- Yes
- Contains Chemicals
- Yes
- Contains Compressed Gas
- Yes
- Proposition 65 Warning
- Yes
- Restricted States
- GU, PR, VI
- Base Warranty
- 5-Year Parts
- Base Parts Warranty
- 5-Year
- Base Remote Warranty
- 5 Year
- Registered Labor Warranty
- None
- Base Labor Warranty
- None
MRCOOL Mini Split BTU Guide
Drawn to scale — 1 square = 2 × 2 ft













