Toshiba Carrier Opti-V Systems
Toshiba Carrier Opti-V systems are designed to deliver high-efficiency comfort and flexible zoning solutions for both residential and light commercial spaces. Requiring just a single wall penetration, the Opti-V heat pump can support up to nine indoor units—each providing individualized temperature control, quiet performance, and optimized energy usage.
Built with inverter-driven, variable-speed compressor technology, Toshiba Carrier Opti-V heat pumps ensure consistent comfort—even in extreme conditions. They deliver reliable heating in outdoor temperatures as low as -22°F and efficient cooling in heat up to 125°F.
Compact and space-conscious, these systems are ideal for installations in properties with zero-lot lines or zoning limitations. With operating sound levels as low as 59 dB(A) and refrigerant line lengths up to 984 feet (300 meters), Opti-V systems provide versatile, quiet comfort with precision control across multiple zones.
Why Opti-V Is Right For You
Air Quality
Multi-poise air handler is compatible with a MERV 13 filter for enhanced indoor air quality.
Energy Savings
Offers efficiency ratings up to 20 SEER2, 13.3 EER2, and 10.1 HSPF2 for year-round performance.
Comfort Features
The inverter-driven variable-speed compressor delivers the exact refrigerant level required for each zone.
Minimal Installation
Supports up to 9 indoor units through a single wall penetration for streamlined installation.
Size
Designed for tight spaces, Opti-V heat pumps are ideal for zero-lot line homes. Your Carrier professional will guide you to the right fit.
Warranty
Eligible for a 10-year limited parts warranty with registration within 90 days of installation.
EXPLORE TOSHIBA CARRIER OPTI-V SYSTEMS
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Multi-zone system with up to 29.7 SEER2 and 12.2 HSPF2
Most Advanced
Type Outdoor Heat Pump
Toshiba Carrier Opti-V Heat Pump
MCY-MUB
https://www.carrier.com/residential/en/us/products/toshiba-carrier-vrf/mcy-mub/
https://images.carriercms.com/image/upload/w_auto,c_lfill,q_auto,f_auto/v1747064808/carrier/residential-hvac/products/variable-refrigerant-flow/carrier-mcy-mub-vrf-single-phase-heat-pump-system.png
Outdoor Heat Pump
Up to 29.7 SEER2
Up to 12.2 HSPF2
52 decibels
2-pipe heat pump system
208/230-1-60Hz power supply
Residential & Light Commercial
Type Indoor Fan Coil
Toshiba Carrier Vertical AHU
MMDV-U
https://www.carrier.com/residential/en/us/products/toshiba-carrier-vrf/mmdv-u/
https://images.carriercms.com/image/upload/w_auto,c_lfill,q_auto,f_auto/v1626120083/carrier/residential-hvac/products/variable-refrigerant-flow/carrier-mmdv-vrf-vertical-air-handling-unit.png
Indoor Fan Coil
12k - 60k
13.5k - 67k
37 decibels
208/230-1-60Hz power supply
Residential & Light Commercial
N/A
Type Ventilator
Toshiba Carrier Outside Air Indoor Unit
MMD1-U
https://www.carrier.com/residential/en/us/products/toshiba-carrier-vrf/mmd1-u/
https://images.carriercms.com/image/upload/w_auto,c_lfill,q_auto,f_auto/v1719425323/carrier/residential-hvac/products/variable-refrigerant-flow/toshiba-carrier-outdoor-air_unit-MMD1-U.png
Ventilator
48k-120k
48k-120k
36 decibels
208/230-1-60Hz power supply
Residential & Light Commercial
N/A
Type Indoor Fan Coil
Toshiba Carrier High Wall
MMK-UB
https://www.carrier.com/residential/en/us/products/toshiba-carrier-vrf/mmk-ub/
https://images.carriercms.com/image/upload/w_auto,c_lfill,q_auto,f_auto/v1744393303/carrier/residential-hvac/products/variable-refrigerant-flow/toshiba-carrier-vrf-high-wall-indoor-unit-MMK-UB.png
Indoor Fan Coil
7.5k - 36k Cooling Capacity
8.5k - 40k Heating Capacity
27 decibels
208/230-1-60Hz power supply
Residential & Light Commercial
N/A
Type Indoor Fan Coil
Toshiba Carrier Underceiling Indoor Unit
MMC-UB
https://www.carrier.com/residential/en/us/products/toshiba-carrier-vrf/mmc-ub/
https://images.carriercms.com/image/upload/w_auto,c_lfill,q_auto,f_auto/v1744392822/carrier/residential-hvac/products/variable-refrigerant-flow/toshiba-carrier-vrf-underceiling-indoor-unit-MMC-UB.png
Indoor Fan Coil
18k - 48k Cooling Capacity
20k - 54k Heating Capacity
32 decibels
208/230-1-60Hz power supply
Residential & Light Commercial
N/A
Type Indoor Fan Coil
Toshiba Carrier Compact 4-Way Cassette
MMUM-UB
https://www.carrier.com/residential/en/us/products/toshiba-carrier-vrf/mmum-ub/
https://images.carriercms.com/image/upload/w_auto,c_lfill,q_auto,f_auto/v1747948044/carrier/residential-hvac/products/variable-refrigerant-flow/toshiba-carrier-vrf-compact-4-way-cassette-MMU-UB.png
Indoor Fan Coil
7.5k - 18k Cooling Capacity
8.5k - 20k Heating Capacity
31 decibels
208/230-1-60Hz power supply
Residential & Light Commercial
N/A
Type Indoor Fan Coil
Toshiba Carrier Medium Static Duct
MMDB-UB
https://www.carrier.com/residential/en/us/products/toshiba-carrier-vrf/mmdb-ub/
https://images.carriercms.com/image/upload/w_auto,c_lfill,q_auto,f_auto/v1744394648/carrier/residential-hvac/products/variable-refrigerant-flow/toshiba-carrier-vrf-med-static-duct-MMDBHP.png
Indoor Fan Coil
7.5k - 54k Cooling Capacity
8.5k - 60k Heating Capacity
30 decibels
208/230-1-60Hz power supply
Residential & Light Commercial
N/A
Type Indoor Fan Coil
Toshiba Carrier Compact 4-Way Cassette
MMU*MH
https://www.carrier.com/residential/en/us/products/toshiba-carrier-vrf/mmu-mh/
https://images.carriercms.com/image/upload/w_auto,c_lfill,q_auto,f_auto/v1744394053/carrier/residential-hvac/products/variable-refrigerant-flow/toshiba-carrier-vrf-compact-4-way-cassette-MMUMH.png
Indoor Fan Coil
7.5k - 18k Cooling Capacity
8.5k - 20k Heating Capacity
29 decibels
208/230-1-60Hz power supply
Residential & Light Commercial
N/A
Type Indoor Fan Coil
Toshiba Carrier 4-Way Cassette
MMU1-UB
https://www.carrier.com/residential/en/us/products/toshiba-carrier-vrf/mmu1-ub/
https://images.carriercms.com/image/upload/w_auto,c_lfill,q_auto,f_auto/v1747948044/carrier/residential-hvac/products/variable-refrigerant-flow/toshiba-carrier-vrf-compact-4-way-cassette-MMU-UB.png
Indoor Fan Coil
7.5k - 18k Cooling Capacity
8.5k - 20k Heating Capacity
31 decibels
208/230-1-60Hz power supply
Residential & Light Commercial
N/A
Type Indoor Fan Coil
Toshiba Carrier 1-Way Cassette
MMUY-U
https://www.carrier.com/residential/en/us/products/toshiba-carrier-vrf/mmuy-u/
https://images.carriercms.com/image/upload/w_auto,c_lfill,q_auto,f_auto/v1677253016/carrier/residential-hvac/products/variable-refrigerant-flow/toshiba-carrier-1-way-cassette-MMUY-U.png
Indoor Fan Coil
7.5k - 24k Cooling Capacity
8.5k - 27k Heating Capacity
25 decibels
208/230-1-60Hz power supply
Residential & Light Commercial
N/A
Type Indoor Fan Coil
Toshiba Carrier Low Static Slim Duct
MMD*SPH
https://www.carrier.com/residential/en/us/products/toshiba-carrier-vrf/mmd-sph/
https://images.carriercms.com/image/upload/w_auto,c_lfill,q_auto,f_auto/v1744393807/carrier/residential-hvac/products/variable-refrigerant-flow/toshiba-carrier-vrf-med-static-duct-MMDHP.png
Indoor Fan Coil
7.5k - 18k Cooling Capacity
8.5k - 20k Heating Capacity
27 decibels
208/230-1-60Hz power supply
Residential & Light Commercial
N/A
Type Indoor Fan Coil
Toshiba Carrier High Static Duct
MMD*HP
https://www.carrier.com/residential/en/us/products/toshiba-carrier-vrf/mmd-hp/
https://images.carriercms.com/image/upload/w_auto,c_lfill,q_auto,f_auto/v1744393807/carrier/residential-hvac/products/variable-refrigerant-flow/toshiba-carrier-vrf-med-static-duct-MMDHP.png
Indoor Fan Coil
24k - 96k Cooling Capacity
27k - 108k Heating Capacity
30 decibels
208/230-1-60Hz power supply
Residential & Light Commercial
N/A
Advantages of Toshiba Carrier Opti-V Systems
Toshiba Carrier Opti-V systems deliver year-round comfort, energy efficiency, and whisper-quiet operation—ideal for today’s modern homes. With refrigerant line lengths reaching up to 984 feet, Opti-V is a smart solution for homes with challenging layouts, such as row houses, townhomes, or multi-family buildings.
Experience exceptional comfort without the noise. Opti-V operates quietly both inside and outside, so your living spaces stay peaceful. With true room-by-room zoning capabilities, you can heat or cool only the areas you’re using—helping cut down on energy waste and reduce monthly heating and cooling costs.
Most system configurations are ENERGY STAR® certified, and larger capacity models align with upcoming CEE 2025 efficiency standards. This means you may be eligible for valuable energy rebates while making a more eco-conscious choice for your home.
Indoor Comfort Options to Match Your Space
Pair your Toshiba Carrier Opti-V heat pump with up to nine indoor units across three indoor unit styles, each designed to meet specific space requirements.
Whether you’re retrofitting an older home or building new, Toshiba Carrier Opti-V provides customizable indoor comfort that fits your lifestyle.
- Ductless units are perfect for areas with minimal space and offer flexible, multi-directional airflow.
- Ducted units can work with short duct runs to serve multiple rooms from a single indoor unit, blending discreet installation with efficient coverage.
