An air handler, or air handling unit (often abbreviated to AHU), is a device used to regulate and circulate air as part of a heating, ventilating, and air-conditioning (HVAC) system. [1]

An air handler is a component of your central heating and cooling system that circulates air through your ductwork. Sometimes people refer to the air handler as the “blower,” but the blower motor is a part of …

Sep 2, 2025 · What is an air handler? Briefly, an air handler is an indoor HVAC unit that circulates heated or cooled air throughout your home. It’s part of a matched system of heat pump + air handler …

An air handler circulates and moves air through the HVAC system, often including a blower, evaporator coils, and filters. Learn more about what an air handler is and how it improves indoor air quality in …

Sep 5, 2025 · Learn what an air handler is, how it works in your HVAC system, key components, common problems, and maintenance tips.

Jun 5, 2025 · Learn what an air handler is, how it works with your HVAC system, and what features to consider when choosing the best air handler for your home.

Jul 23, 2025 · An air handler is the indoor component of an HVAC system responsible for circulating conditioned air throughout your home. It works in tandem with an outdoor unit (like an air conditioner …

Sep 23, 2024 · What Is an Air Handler? An air handler is a key component of your HVAC system for circulating conditioned air throughout your home. It works alongside your air conditioner or heat …

Air handlers usually consist of a large metal box that combines an electric heat strip, blower, and an evaporator coil. That's not all; also included in most air handlers are filter racks or a filter chamber.

An air handler, often called a fan coil, is the indoor unit of your HVAC system responsible for regulating and circulating conditioned air. It pairs with a heat pump or air conditioner to filter air, control …