45MBAA
Tailored comfort, tailored fit with this multi-poise air handler featuring a variable-speed motor.
Replace outdated gas furnaces or complement traditional systems with this versatile, multi-poise air handler. The Performance Air Handler provides outstanding temperature control with its variable-speed ECM motor, delivering energy-efficient comfort. Flexible four-position installation allows seamless integration into almost any space while maintaining incredible performance.
This unit offers three fan-speed options and when paired with select outdoor units, premium temperature control to help maintain a consistently comfortable home environment with minimal temperature fluctuations.
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 25.5 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 25.5 decibelsSize
Available in various sizes to accommodate most homesRefrigerant
Puron Advance™Wireless Remote
Wireless remote controller includedSeamlessly blend comfort and efficiency with Carrier’s versatile air handler solution.
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
45MBAAQ Split-Type Air Handler Indoor Unit Ductless System Sizes 18K - 60K - Owner's Manual
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.