
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
Enjoy reliable heating and cooling with the MRCOOL® OLYMPUS ESTAR® 9k Series air handler, designed to deliver year-round comfort for spaces up to 400 square feet—ideal for single rooms, home offices, garages, and more. Its compact size allows for quick and easy installation, making setup a breeze for your installer. Equipped with the MRCOOL® Smart HVAC app, this unit offers convenient Wi-Fi connectivity, letting you control it from your smartphone or tablet, no matter where you are. Prefer a more traditional approach? Use the included remote control for simple access to your preferred settings. Built with efficiency in mind, the unit boasts impressive performance ratings: SEER2 of 25.8, EER2 of 14.9, and HSPF2-4 of 12.5—helping you cut down on energy costs. With multiple indoor fan speeds and whisper-quiet operation at just 47 dB, you’ll barely notice it’s there while enjoying consistent comfort. Now using eco-friendly R-454B refrigerant, this system is better for the environment without compromising on power or performance. You’ll also enjoy versatile control options, including voice command compatibility with Amazon Alexa and Google Assistant. Backed by an industry-leading warranty—including a limited lifetime warranty, 7-year compressor coverage, and a 5-year parts warranty—the MRCOOL® OLYMPUS ESTAR® 9k Series offers advanced technology, dependable performance, and personalized climate control for years to come.
Works With
- O-ES-09-HP-C-230C-O1
- MULTI3-18HP230C-O
- MULTI4-27HP230C-O
- MULTI5-36HP230C-O
- MULTI6-48HP230C-O
Enjoy peace of mind and reliable comfort with the MRCOOL® OLYMPUS ESTAR® 18k Series air handler, designed to efficiently heat and cool areas up to 800 square feet—making it an ideal choice for large rooms, offices, garages, and more. Thanks to its compact design, installation is fast and straightforward. Control your comfort from anywhere with the MRCOOL® Smart HVAC app, which allows Wi-Fi connectivity for remote access via your smartphone or tablet. For added convenience, the unit also includes a wireless remote control, giving you flexible options to manage your indoor climate with ease. Engineered for energy efficiency, this system features a SEER2 rating of 23.5, EER2 of 12.7, and HSPF2-4 of 10.8, helping you lower your utility costs while staying comfortable year-round. With multiple fan speed settings and whisper-quiet operation at just 49 dB, it delivers powerful performance with minimal noise. Now using R-454B refrigerant, a more eco-friendly choice, this unit supports environmentally conscious living without sacrificing performance. Enjoy seamless control options, including the smartHVAC app, wireless remote, and voice control compatibility with Amazon Alexa and Google Assistant, giving you personalized comfort at your fingertips. Backed by an industry-leading warranty—including a limited lifetime warranty, 7-year compressor warranty, and 5-year parts warranty—the MRCOOL® OLYMPUS ESTAR® 18k Series air handler offers dependable performance, smart technology, and lasting comfort throughout the seasons.
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
Enjoy reliable heating and cooling with the MRCOOL® OLYMPUS ESTAR® 9k Series air handler, designed to deliver year-round comfort for spaces up to 400 square feet—ideal for single rooms, home offices, garages, and more. Its compact size allows for quick and easy installation, making setup a breeze for your installer. Equipped with the MRCOOL® Smart HVAC app, this unit offers convenient Wi-Fi connectivity, letting you control it from your smartphone or tablet, no matter where you are. Prefer a more traditional approach? Use the included remote control for simple access to your preferred settings. Built with efficiency in mind, the unit boasts impressive performance ratings: SEER2 of 25.8, EER2 of 14.9, and HSPF2-4 of 12.5—helping you cut down on energy costs. With multiple indoor fan speeds and whisper-quiet operation at just 47 dB, you’ll barely notice it’s there while enjoying consistent comfort. Now using eco-friendly R-454B refrigerant, this system is better for the environment without compromising on power or performance. You’ll also enjoy versatile control options, including voice command compatibility with Amazon Alexa and Google Assistant. Backed by an industry-leading warranty—including a limited lifetime warranty, 7-year compressor coverage, and a 5-year parts warranty—the MRCOOL® OLYMPUS ESTAR® 9k Series offers advanced technology, dependable performance, and personalized climate control for years to come.
Works With
- O-ES-09-HP-C-230C-O1
- MULTI3-18HP230C-O
- MULTI4-27HP230C-O
- MULTI5-36HP230C-O
- MULTI6-48HP230C-O
Enjoy peace of mind and reliable comfort with the MRCOOL® OLYMPUS ESTAR® 18k Series air handler, designed to efficiently heat and cool areas up to 800 square feet—making it an ideal choice for large rooms, offices, garages, and more. Thanks to its compact design, installation is fast and straightforward. Control your comfort from anywhere with the MRCOOL® Smart HVAC app, which allows Wi-Fi connectivity for remote access via your smartphone or tablet. For added convenience, the unit also includes a wireless remote control, giving you flexible options to manage your indoor climate with ease. Engineered for energy efficiency, this system features a SEER2 rating of 23.5, EER2 of 12.7, and HSPF2-4 of 10.8, helping you lower your utility costs while staying comfortable year-round. With multiple fan speed settings and whisper-quiet operation at just 49 dB, it delivers powerful performance with minimal noise. Now using R-454B refrigerant, a more eco-friendly choice, this unit supports environmentally conscious living without sacrificing performance. Enjoy seamless control options, including the smartHVAC app, wireless remote, and voice control compatibility with Amazon Alexa and Google Assistant, giving you personalized comfort at your fingertips. Backed by an industry-leading warranty—including a limited lifetime warranty, 7-year compressor warranty, and 5-year parts warranty—the MRCOOL® OLYMPUS ESTAR® 18k Series air handler offers dependable performance, smart technology, and lasting comfort throughout the seasons.
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.























