Carrier Crossover Consumer Foldout
When paired with select outdoor units, the system delivers premium energy efficiency to help reduce heating and cooling costs and minimize environmental impact.
Performance™ Crossover Air Handler Unit
45MUHA
Designed for seamless versatility, compact performance, and reliable home comfort.
Overview
Perfect for homes transitioning from gas furnaces to modern air solutions, its six-position installation capability promotes flexibility. Enhanced with a variable-speed ECM motor, this unit synchronizes with Carrier crossover heat pumps such as the 37MUHA, helping to ensure energy efficiency and consistent performance.
Features
Designed with a variable-speed blower motor, this system—when installed with select outdoor units—helps maintain consistent indoor temperatures by minimizing swings and enhancing comfort.
Capable of supporting single-zone systems.
Engineered for peace and quiet, this unit helps minimize operational noise, reaching sound levels as low as 33 decibels.
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
At a glance
Type
Compatible with single and multi-zone outdoor unitsOverall Efficiency
All combinations are ENERGY STAR® certified.Cooling Efficiency
Dependent upon outdoor unit pairingHeating Efficiency
Dependent upon outdoor unit pairingSound Level
As low as 33 decibelsApplication
ResidentialCompatiblity
Compatible with all 24V ThermostatsRefrigerant
Puron Advance ™Build an efficient, cost-effective and comfortable living environment with an air handler that’s ideal for small spaces and horizontal installations.
Documents
Brochure
Carrier Crossover Consumer Brochure featuring Puron Advance (Spanish)
Carrier Crossover Consumer Brochure featuring Puron Advance
Carrier Crossover Consumer Brochure featuring Puron Advance (French)
Owner's Manual
45MUHAQ Régulateur d’air croisé Capacités18 000 á 60 000 Manuel d’utilisation
45MUHAQ Crossover Air Handler 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
- 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.