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 …

Pair air handlers with your air conditioner or heat pump to circulate warm and cool air all throughout your home. Air handlers fit in attics, basements and crawl spaces, and are …

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 …

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.

An air handler's main function is to circulate the air in your system, and the components surrounding it alter the functionalities of heating, cooling, and air quality.

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 …

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 …

Pair your air handler with an air conditioner or heat pump to efficiently heat and cool your home. Whether you pick from our top-of-the-line ForeFront™ series or our durable Silver series, your …

Jun 30, 2025 · Learn the role of an air handler in your HVAC system, how it affects comfort and airflow, when you need one, and when you don't.