
The Story
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
The MRCOOL® OLYMPUS 9K CASSETTE provides dependable heating and cooling for spaces up to 400 square feet, making it perfect for bedrooms, home offices, and smaller areas. Designed to fit seamlessly into the ceiling for a flush look, it almost disappears, creating a clean, modern aesthetic that complements any room style. Its versatile design is perfect for homes or businesses looking to maximize space while maintaining an elegant, high-performance climate solution. The indoor fan operates at a quiet 42 dB, ensuring a peaceful environment without compromising performance. This ultra-low noise level means you can enjoy consistent, efficient heating or cooling without disruptive fan sounds, ideal for spaces where silence is crucial, like bedrooms, offices, or nurseries. The quiet operation helps enhance the overall comfort of your space, providing a relaxing atmosphere free from distractions.
The unit uses R-454B refrigerant, an eco-friendly solution that provides top-tier performance while being environmentally responsible. With low global warming potential, R-454B helps reduce the environmental impact of your system, contributing to a greener, more sustainable home, without sacrificing performance or efficiency. This refrigerant is an important choice for homeowners seeking to lower their carbon footprint while still enjoying reliable performance.
The MRCOOL® OLYMPUS 9K CASSETTE comes with a limited lifetime warranty, 7-year compressor coverage, and a 5-year parts warranty, ensuring reliability, cutting-edge technology, and peace of mind. This unit is the ideal solution for homeowners who value efficiency, comfort, and modern design.
Works With
- O-ES-09-HP-C-230C-O1
- MULTI3-18HP230C-O
- MULTI4-27HP230C-O
- MULTI5-36HP230C-O
- MULTI6-48HP230C-O
This remote is included with each air handler in MRCOOL's 5th Generation DIY or Advantage Mini Split Systems.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
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
The MRCOOL® OLYMPUS 9K CASSETTE provides dependable heating and cooling for spaces up to 400 square feet, making it perfect for bedrooms, home offices, and smaller areas. Designed to fit seamlessly into the ceiling for a flush look, it almost disappears, creating a clean, modern aesthetic that complements any room style. Its versatile design is perfect for homes or businesses looking to maximize space while maintaining an elegant, high-performance climate solution. The indoor fan operates at a quiet 42 dB, ensuring a peaceful environment without compromising performance. This ultra-low noise level means you can enjoy consistent, efficient heating or cooling without disruptive fan sounds, ideal for spaces where silence is crucial, like bedrooms, offices, or nurseries. The quiet operation helps enhance the overall comfort of your space, providing a relaxing atmosphere free from distractions.
The unit uses R-454B refrigerant, an eco-friendly solution that provides top-tier performance while being environmentally responsible. With low global warming potential, R-454B helps reduce the environmental impact of your system, contributing to a greener, more sustainable home, without sacrificing performance or efficiency. This refrigerant is an important choice for homeowners seeking to lower their carbon footprint while still enjoying reliable performance.
The MRCOOL® OLYMPUS 9K CASSETTE comes with a limited lifetime warranty, 7-year compressor coverage, and a 5-year parts warranty, ensuring reliability, cutting-edge technology, and peace of mind. This unit is the ideal solution for homeowners who value efficiency, comfort, and modern design.
Works With
- O-ES-09-HP-C-230C-O1
- MULTI3-18HP230C-O
- MULTI4-27HP230C-O
- MULTI5-36HP230C-O
- MULTI6-48HP230C-O
This remote is included with each air handler in MRCOOL's 5th Generation DIY or Advantage Mini Split Systems.





















