Elevate your comfort with efficiency
Air Handler Units
Carrier air handler units deliver home comfort and energy efficiency. Engineered to complement your air conditioner or heat pump, these advanced units regulate airflow, manage humidity, and help improve your indoor air quality. For milder climates, air handlers with optional electric heat strips provide both heating and cooling capability.
Air Handler Units
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How to choose the right air handler for your HVAC system
Energy-efficient air handlers help improve the performance of your home comfort systems by elevating SEER2, EER2, and HSPF2 ratings. Choose variable-speed air handlers to help lower heating and cooling bills associated with your HVAC system and reduce environmental impact.
Humidity plays a big role in overall comfort, and advanced technology like variable-speed and two-speed air handlers helps regulate it more effectively. These systems ensure consistent and comfortable home temperatures, no matter the weather, by managing humidity levels and airflow.
Air handlers with variable-speed or two-speed blowers improve air circulation, reducing hot and cold spots for a more even indoor environment. Pair them with indoor air quality (IAQ) add-ons to not only enhance comfort but can also improve the air quality throughout your home.
Carrier air handlers are designed to optimize performance as part of a comprehensive home comfort system. Whether paired with an air conditioner or a heat pump, these units are engineered to deliver peak efficiency and operation.
Achieving optimal performance hinges on creating a matched system. For instance, pairing an Infinity® series air handler with an Infinity series heat pump and an Infinity® system control unlocks the highest levels of comfort and energy efficiency. Similarly, Performance™ and Comfort™ series components are designed to work together seamlessly.
Your choice in staging—from single-stage to two-stage or fully variable-speed models—directly impacts efficiency and comfort. Variable-speed air handlers, for example, can make gradual adjustments to airflow, providing more consistent temperatures and quieter operation. The right control or thermostat integrates these components, giving you precise command over your entire system.
In residential HVAC, the terms fan coil unit and air handling unit are often used interchangeably. Both refer to the indoor component that houses the fan, coil, and other elements responsible for circulating conditioned air throughout your home.
From advanced Infinity Series units to affordable Comfort Series models, Carrier offers air handlers with flexible features like variable and multi-speed motors, ensuring the right fit for every household.
Why Carrier
With over a century of HVAC expertise, Carrier delivers home comfort through premium systems designed for reliability and precision. Our air handler units feature advanced technology like variable-speed motors and seamless integration into high-efficiency systems, providing excellent temperature control and energy savings. Supported by a vast network of trusted expert dealers, we offer innovative solutions to keep your home comfortable and your air healthy.
Frequently asked questions about fan coil units
An air handler is the indoor unit that circulates air, while an air conditioner (specifically the outdoor condenser) is responsible for cooling the refrigerant. They work together as a split system to cool your home.
Typically, no. A furnace usually has its own built-in blower motor to circulate air. Air handlers are most commonly paired with heat pumps or straight-cool air conditioners in homes without a furnace.
An air handler typically lasts 15 to 25 years. If your unit is approaching this age, making strange noises, or requiring frequent repairs, it may be time to consult a local Carrier dealer about a replacement.
It is possible, but not recommended. Mixing an old outdoor unit with a new air handler can reduce efficiency and void warranties. For the best performance, Carrier recommends replacing both units to ensuring they are matched for maximum efficiency.