45MBCA
Sleek design meets quiet, efficient comfort.
Experience a balance of performance and practicality with the Carrier Performance Series Cassette Indoor Unit. Designed to blend seamlessly into overhead spaces, this system delivers quiet, energy-efficient comfort to complement any new or remodeled space. Compatible with both single and multi-zone ductless systems, it features a temperature-sensing handheld remote and adjustable fan speeds for a tailored comfort experience.
Enjoy four fan-speed options and precise temperature control that help provide a consistently comfortable home environment with minimal temperature fluctuations. Additional features include Follow Me functionality, air direction control, and four fan speeds.
No ducts, no problem. This unit installs easily, eliminating the need for ceiling tearing, patches, or repainting.
Compatible with a variety of single and multi-zone systems, this unit provides flexible cooling and heating tailored to your needs.
With sound levels as low as 23.5 decibels, this unit helps provide a peaceful atmosphere, even during operation.
Compatible with Puron Advance™ refrigerant, which reduces global warming potential by 75% compared to traditional options, while maintaining non-ozone-depleting properties.
Experience peace of mind with Carrier's Consumer Choice Warranty. Upon timely registration, on eligible equipment select either a 10-year parts only limited warranty or a 5-year parts, plus a 3-year labor limited warranty.¹
Overall Efficiency
Select sizes ENERGY STAR® CertifiedCooling Efficiency
Dependent on outdoor unit pairingHeating Efficiency
Dependent on outdoor unit pairingSound Level
As low as 23.5 decibelsSize
Available in various sizes to accommodate most homesRefrigerant
Puron Advance™Wireless Remote
Wireless remote controller includedA sleek, powerful design that brings quiet, efficient performance to your home.
Brochure
Carrier Infinity Series Ductless Heat Pumps w/ Puron Advance Consumer Brochure
Carrier Performance Ductless Heat Pumps w/ Puron Advance Consumer Brochure
Carrier Infinity Series Ductless Heat Pumps w/ Puron Advance Consumer Brochure (Spanish)
Carrier Performance Ductless Heat Pumps w/ Puron Advance Consumer Brochure (Spanish)
Carrier Infinity Series Ductless Heat Pumps w/ Puron Advance Consumer Brochure (French)
Carrier Performance Ductless Heat Pumps w/ Puron Advance Consumer Brochure (French)
Owner's Manual
45MBCAQ Split-Type Four-Way Cassette Indoor Unit Ductless System Sizes 9K, 12K, 18K, 24K, 36K, 48K
45MBCAQ Système sans conduit à unité intérieure à cassette 4 voies de type bibloc capacités 9K à 48K
Warranty Card
CAC/BDP Limited Warranty Certificate Limited Warranty for Ductless Split Units
California residents please see Proposition 65
Legal disclaimer
1. To the original owner on eligible equipment for eligible residential applications. Warranty period is 5 years if not registered within 90 days. Jurisdictions where warranty benefits cannot be conditioned on registration will automatically receive a 10-year parts limited warranty, which can be changed to the 5-year parts, plus a 3-year labor option on eligible equipment within the first 90 days after installation. The 5-year parts, plus 3-year labor warranty option is available only if the installing dealer/contractor has elected to participate in the Consumer Choice warranty program and has accepted the Consumer Choice dealer terms and conditions.