
The Story
The MRCOOL® Olympus 36,000 BTU multi-zone heat pump condenser is a high-capacity, heat pump condenser built to power up to five indoor units simultaneously. Designed for homeowners who want efficient and individualized temperature control across multiple rooms, this ductless system delivers tailored comfort to every zone—making it an excellent fit for modern, multi-room living spaces.
Featuring cutting-edge inverter technology, the system provides exceptional energy performance, with SEER2 ratings up to 24 and HSPF2-4 up to 9.5. It operates reliably even in extreme outdoor conditions, functioning in temperatures as low as 5°F to keep your home comfortable year-round. Compatibility with a variety of MRCOOL indoor units—including wall-mounted, ceiling cassette, and concealed duct options—means it’s easy to customize the setup to suit your home’s layout and aesthetic. Smart control options enhance everyday convenience, offering seamless operation through the MRCOOL SmartHVAC app, included remote control, or voice commands via Amazon Alexa and Google Assistant.
Additional features like sleep mode, auto restart, and built-in refrigerant leak detection further improve safety, energy efficiency, and peace of mind. Backed by a 7-year limited warranty on the compressor and a 5-year parts warranty (when installed by a professional), the MRCOOL® Olympus MULTI5-36HP230C-O is a reliable, energy-efficient choice for those looking to achieve flexible, zone-specific heating and cooling throughout their home.
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
- O-12-HP-WMAH-230C-O
- DUCT-12HP-230B-O
- CASSETTE12HP-230C-O
- O-18-HP-WMAH-230C-O
- DUCT-18-HP-230B-O
- CASSETTE18HP-230C-O
- O-24-HP-WMAH-230C-O
- DUCT-24HP-230B-O
- CASSETTE24HP-230C-O
The MRCOOL® OLYMPUS 12K CASSETTE delivers reliable heating and cooling for areas up to 550 square feet, making it an excellent option for bedrooms, home offices, or other smaller spaces. Designed to be installed flush within the ceiling, it blends seamlessly into your room, offering a sleek, modern look that enhances any décor.
This versatile system is perfect for both residential and commercial spaces, maximizing room usage while providing an efficient and stylish climate control solution. Operating at a quiet 46 dB, the indoor fan ensures that your space remains calm and undisturbed while still delivering consistent performance. Its low noise level allows for optimal heating or cooling without distracting sounds, making it ideal for environments that require peace, such as bedrooms, home offices, or nurseries. The quiet operation creates a comfortable atmosphere that enhances relaxation and productivity. The system uses R-454B refrigerant, a sustainable choice that balances high performance with environmental responsibility. With its low global warming potential, R-454B minimizes the environmental impact of your unit while offering exceptional efficiency. This makes it a great option for homeowners looking to reduce their carbon footprint while still enjoying reliable, top-quality performance.
The MRCOOL® OLYMPUS 12K CASSETTE is backed by a limited lifetime warranty, 7 years of compressor coverage, and a 5-year parts warranty, ensuring lasting reliability and cutting-edge technology. This system is the perfect fit for those who prioritize energy efficiency, modern style, and optimal comfort.
Works With
- O-ES-12-HP-C-230C-O1
- MULTI3-18HP230C-O
- MULTI4-27HP230C-O
- MULTI5-36HP230C-O
- MULTI6-48HP230C-O
The MRCOOL® OLYMPUS 18K CASSETTE provides efficient heating and cooling for areas up to 800 square feet, making it an ideal solution for bedrooms, home offices, or smaller spaces. Its ceiling-mounted design ensures a flush installation, seamlessly blending into your room and creating a sleek, contemporary appearance that enhances any interior style. This adaptable system is perfect for both residential and commercial applications, maximizing space while offering a practical and stylish climate control option. Operating at a quiet 48 dB, the indoor fan maintains a peaceful environment while delivering reliable performance. The low noise level ensures that heating or cooling is achieved without unnecessary distractions, making it perfect for quiet spaces like bedrooms, offices, or nurseries. Its unobtrusive operation fosters a relaxing atmosphere that supports both comfort and productivity.
The unit utilizes R-454B refrigerant, an eco-friendly choice that combines exceptional performance with environmental sustainability. With its low global warming potential, R-454B helps reduce the environmental footprint of your system while still providing optimal energy efficiency. This makes it an excellent choice for homeowners who want to minimize their impact on the environment while enjoying consistent, high-quality performance.
The MRCOOL® OLYMPUS 18K CASSETTE is backed by a limited lifetime warranty, 7-year compressor coverage, and a 5-year parts warranty, ensuring reliable operation and innovative technology. This unit is the perfect choice for those who value energy efficiency, modern design, and superior comfort.
Works With
- O-ES-18-HP-C-230C-O1
- 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.
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.
Description
The MRCOOL® Olympus 36,000 BTU multi-zone heat pump condenser is a high-capacity, heat pump condenser built to power up to five indoor units simultaneously. Designed for homeowners who want efficient and individualized temperature control across multiple rooms, this ductless system delivers tailored comfort to every zone—making it an excellent fit for modern, multi-room living spaces.
Featuring cutting-edge inverter technology, the system provides exceptional energy performance, with SEER2 ratings up to 24 and HSPF2-4 up to 9.5. It operates reliably even in extreme outdoor conditions, functioning in temperatures as low as 5°F to keep your home comfortable year-round. Compatibility with a variety of MRCOOL indoor units—including wall-mounted, ceiling cassette, and concealed duct options—means it’s easy to customize the setup to suit your home’s layout and aesthetic. Smart control options enhance everyday convenience, offering seamless operation through the MRCOOL SmartHVAC app, included remote control, or voice commands via Amazon Alexa and Google Assistant.
Additional features like sleep mode, auto restart, and built-in refrigerant leak detection further improve safety, energy efficiency, and peace of mind. Backed by a 7-year limited warranty on the compressor and a 5-year parts warranty (when installed by a professional), the MRCOOL® Olympus MULTI5-36HP230C-O is a reliable, energy-efficient choice for those looking to achieve flexible, zone-specific heating and cooling throughout their home.
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
- O-12-HP-WMAH-230C-O
- DUCT-12HP-230B-O
- CASSETTE12HP-230C-O
- O-18-HP-WMAH-230C-O
- DUCT-18-HP-230B-O
- CASSETTE18HP-230C-O
- O-24-HP-WMAH-230C-O
- DUCT-24HP-230B-O
- CASSETTE24HP-230C-O
The MRCOOL® OLYMPUS 12K CASSETTE delivers reliable heating and cooling for areas up to 550 square feet, making it an excellent option for bedrooms, home offices, or other smaller spaces. Designed to be installed flush within the ceiling, it blends seamlessly into your room, offering a sleek, modern look that enhances any décor.
This versatile system is perfect for both residential and commercial spaces, maximizing room usage while providing an efficient and stylish climate control solution. Operating at a quiet 46 dB, the indoor fan ensures that your space remains calm and undisturbed while still delivering consistent performance. Its low noise level allows for optimal heating or cooling without distracting sounds, making it ideal for environments that require peace, such as bedrooms, home offices, or nurseries. The quiet operation creates a comfortable atmosphere that enhances relaxation and productivity. The system uses R-454B refrigerant, a sustainable choice that balances high performance with environmental responsibility. With its low global warming potential, R-454B minimizes the environmental impact of your unit while offering exceptional efficiency. This makes it a great option for homeowners looking to reduce their carbon footprint while still enjoying reliable, top-quality performance.
The MRCOOL® OLYMPUS 12K CASSETTE is backed by a limited lifetime warranty, 7 years of compressor coverage, and a 5-year parts warranty, ensuring lasting reliability and cutting-edge technology. This system is the perfect fit for those who prioritize energy efficiency, modern style, and optimal comfort.
Works With
- O-ES-12-HP-C-230C-O1
- MULTI3-18HP230C-O
- MULTI4-27HP230C-O
- MULTI5-36HP230C-O
- MULTI6-48HP230C-O
The MRCOOL® OLYMPUS 18K CASSETTE provides efficient heating and cooling for areas up to 800 square feet, making it an ideal solution for bedrooms, home offices, or smaller spaces. Its ceiling-mounted design ensures a flush installation, seamlessly blending into your room and creating a sleek, contemporary appearance that enhances any interior style. This adaptable system is perfect for both residential and commercial applications, maximizing space while offering a practical and stylish climate control option. Operating at a quiet 48 dB, the indoor fan maintains a peaceful environment while delivering reliable performance. The low noise level ensures that heating or cooling is achieved without unnecessary distractions, making it perfect for quiet spaces like bedrooms, offices, or nurseries. Its unobtrusive operation fosters a relaxing atmosphere that supports both comfort and productivity.
The unit utilizes R-454B refrigerant, an eco-friendly choice that combines exceptional performance with environmental sustainability. With its low global warming potential, R-454B helps reduce the environmental footprint of your system while still providing optimal energy efficiency. This makes it an excellent choice for homeowners who want to minimize their impact on the environment while enjoying consistent, high-quality performance.
The MRCOOL® OLYMPUS 18K CASSETTE is backed by a limited lifetime warranty, 7-year compressor coverage, and a 5-year parts warranty, ensuring reliable operation and innovative technology. This unit is the perfect choice for those who value energy efficiency, modern design, and superior comfort.
Works With
- O-ES-18-HP-C-230C-O1
- 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.
This remote is included with each air handler in MRCOOL's 5th Generation DIY or Advantage Mini Split Systems.























