Infinity® High Wall Indoor Unit

45MPHA

Extremely quiet indoor high wall unit that is compatible with single zone ductless systems.

Type: Single-zone

Overview

This high wall indoor unit is flexible to fit any application with the 37MPRAQ single-zone system. Talk about controllability, the 45MPHAQ indoor unit features either built-in Wi-Fi^® that gives you control from virtually anywhere or compatibility with third party thermostats when the 24V Interface is installed. The High Wall also offers a Relative Humidity Sensor to customize the humidity level for more comfortable air and an occupancy sensor that senses a person in a room and can direct airflow either toward or away from that person. 100% Heating capacity at 0° F (-17° C).

View Technical Specification

Technical Specification

Type	Single-zone
Overall Efficiency	All sizes ENERGY STAR® certified
Cooling Efficiency	Dependent upon outdoor unit pairing
Heating Efficiency	Dependent upon outdoor unit pairing
Sound Level (As Low As)	16 decibels
Application	Residential
Wireless Remote	Yes

View Product Literature

WHY THIS DUCTLESS SYSTEM IS RIGHT FOR YOU

Energy Savings

Energy savings are dependent on outdoor unit pairing. Install with select outdoor units for premium energy savings.

Comfort Features

Install with select outdoor units for premium comfort features that can offer precise temperature control and fewer temperature swings.

Minimal Installation

Because there are no ducts, installation is a breeze—no tearing open walls, patching, or repainting required!

Zones

Compatible with select single-zone ductless systems.

Sound Performance

Extremely quiet operation for peace and comfort.

Refrigerant

With Puron Advance™ refrigerant, Carrier proudly continues our century-plus commitment to environmental stewardship. It's a refrigerant that delivers a 75% decrease in global warming potential while maintaining original Puron's non-ozone depleting properties.

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 Learn More.

¹To 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.