Carrier Comfort Series Ductless Heat Pumps w/ Puron Advance Consumer Brochure
The system’s energy efficiency depends on outdoor unit pairing. When matched with select units, enjoy premium or enhanced energy savings without sacrificing performance.
Comfort™ High Wall Indoor Unit - Cooling Only
45MHHAC
Effortless cooling with quiet performance and advanced control.
Overview
The Comfort High Wall Indoor Unit offers a mix of affordability and performance, making it an excellent choice for adding cooling comfort to new or converted spaces. Designed for single-zone applications, this unit pairs with the 37MHRAC outdoor unit to deliver dependable control and energy efficiency. It comes equipped with a temperature-sensing handheld remote, four fan speeds, and adjustable louvers for accurate airflow. Ideal for those seeking high performance without the need for ductwork.
- ENERGY STAR®
Features
Experience tailored cooling with improved temperature control, four fan speeds, and accurate airflow adjustments for consistent, personalized comfort.
Designed for duct-free installation, this unit saves time and avoids the hassle of major home renovations.
Built for single-zone applications, making it a great fit for targeted temperature control in individual spaces.
Operates as low as 19 decibels, helping ensure a peaceful and distraction-free environment.
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
Overall Efficiency
Select sizes ENERGY STAR® CertifiedCooling Efficiency
Dependent on outdoor unit pairingSound Level
As low as 19 decibelsSize
Available in various sizes to accommodate most homesRefrigerant
Puron Advance™Wireless Remote
Wireless remote controller includedEnjoy exceptional comfort with a system designed for quiet and energy-efficient performance, tailored to your lifestyle.
Documents
Brochure
Carrier Comfort Series Ductless Heat Pumps w/ Puron Advance Consumer Brochure (Spanish)
Carrier Comfort Series Ductless Heat Pumps w/ Puron Advance Consumer Brochure (French)
Owner's Manual
45MHHAC High Wall Cooling Only Sizes 09K-24K - Owner’s Manual
45MHHAC Montage mural, refroidissement seulement Capacités 9K à 24K - Manuel d’utilisation
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.