Ductless Heat Pumps

Infinity® System Ductless Heat Pumps

The Future of Home Comfort Is Here

Models: 37MPRAQ, 37MAHAQ, 37MBHAQ, 37MGHAQ

Outdoor condenser units (cutout)
Modern living room with wall-mounted ductless unit

Why Are So Many Homeowners Going Ductless?

Carrier's Infinity® System ductless heat pumps represent the pinnacle of comfort, efficiency, and innovation. Backed by years of design, development, and testing, these systems are built to deliver ultraquiet, personalized comfort in virtually any space, from home additions and converted attics to sun rooms and garages. With advanced zoning capabilities, they eliminate hot and cold spots while maximizing energy savings.

CONSUMER CHOICE WARRANTY 10 YEAR PARTS LIMITED

At Carrier, we know purchasing a new heating or cooling system is a big investment. Take ownership in helping protect your investment. Carrier is excited to offer you a Consumer Choice Warranty option. All Carrier Ductless Infinity Systems come with the option to select the warranty of your choice. Dealer participation is required.1

ENVIRONMENT

With Puron Advance™, Carrier proudly continues our century-plus commitment to environmental stewardship. It's a refrigerant that helps deliver a 75% reduction in global warming potential compared to R-410A.

INVERTER COMFORT TECHNOLOGY

Carrier ductless systems continually adjust the compressor speed as conditions change—for consistent comfort with lower energy usage. Plus, enjoy year-round comfort with dependable performance in temperatures from -22°F to 122°F.

EFFICIENCY

With SEER2 ratings up to 35.1 and HSPF2 ratings up to 15.6, all our Infinity® Systems are ENERGY STAR® certified. Take advantage of energy-saving features like eco mode to cut energy costs up to 60%—without compromising on comfort.

SOUND

Each model features an inverter-driven compressor that adjusts output automatically to maintain ideal comfort. With sound levels as low as 53 dB(A), they offer powerful performance with near silent operation.

PERSONALIZED COMFORT

Connect up to six indoor units to a single outdoor unit—to deliver individualized temperature control in every room of your home. Decide the temperature you'd like a zone to be, and the system quietly maintains it.

CONVENIENT CONTROLS AND FEATURES

Carrier Infinity System ductless units offer features like I-clean active cleaning and Intelligent Eye, an occupancy sensor that can tell when you're in the room and direct fresh air your way.

LIMITED PARTS WARRANTY

To the original owner, Carrier Infinity ductless heat pumps are covered by a 10-year parts limited warranty upon timely registration.*

1 Upon timely registration, on eligible equipment select either a 10-year parts only limited warranty or a five-year parts + three-year labor limited warranty. Dealer participation required. See limited warranty certificate at carrier.com for complete details and restrictions.

Bring a Boost of Comfort to Any Room

House cutaway showing ductless placement

The Infinity Advantage

Carrier ductless has options for every space and budget. See how our Infinity System measures up with superior performance, cutting-edge capabilities and excellent energy efficiency.

Infinity® SystemPerformance™ SeriesComfort™ Series
Outdoor Unit Features
SEER2Up to 35.1Up to 28.1Up to 22.4
HSPF2Up to 15.6Up to 13.6Up to 9.4
ENERGY STAR® CertifiedAll modelsSelect models
Sound LevelsAs low as 53.0 dBAAs low as 52.5 dBAAs low as 52.5 dBA
Humidity Control1
High Heat Capability
Built-In Basepan Heater
Indoor Unit Features
24V Interface Compatibility1
Built-In Wi-Fi® for Smartphone Control1OptionalOptional
Built-In Occupancy Sensor1

1 Depending on indoor unit model selection.

Compatible Indoor Units

Your Carrier dealer will recommend the indoor unit to meet your home-comfort needs and local weather environment.

Infinity High Wall 45MPHA
Wall Mounted
Infinity High Wall
45MPHA1
Performance High Wall 45MAHA
Wall Mounted
Performance High Wall
45MAHA
Floor Console 45MBFA
Wall Mounted
Floor Console
45MBFA
Underceiling 45MCFA
Ceiling Mounted
Underceiling
45MCFA
One-Way Cassette 45MCCA
Ceiling Mounted
One Way Cassette
45MCCA
4-Way Cassette 45MBCA
Ceiling Mounted
4-Way Cassette
45MBCA
Slim Duct 45MBDA
Concealed
Slim Duct
45MBDA
Air Handler 45MBAA
Concealed
Air Handler
45MBAA

1 The 45MPHA indoor unit is compatible with the following Infinity heat pumps: 37MPRA and 37MGHA.

See What Ductless Can Do for You

From garage workshops and attic studios to sunroom add-ons and more, the Infinity System delivers unparalleled performance and fuss-free installation—so you can transform any space with ease.

Find Your Ductless System Today →
carrierductless.com
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