ARI is an industry trade association that develops standards for measuring and certifying product performance. For instance, ARI Standard 270 provides guidelines for establishing sound levels for outd [..]

ARI is an industry trade association that develops standards for measuring and certifying product performance. For instance, ARI Standard 270 provides guidelines for establishing sound levels for outd [..]

The indoor part of an air conditioner or heat pump that moves cooled or heated air throughout the ductwork of your building. An air handler is usually a furnace or a blower coil.

System in which air is treated at a central location and distributed to and from rooms by one or more fans and a series of ducts.

Stands for Cubic Feet per Minute. This measurement indicates how many cubic feet of air pass by a stationary point in one minute. The higher the number, the more air is being moved through the ductwor [..]

Used in select Lennox outdoor air conditioner or heat pump units, blades are manufactured with rugged materials and an exclusive angled design that improve operation and durability, even in the harshe [..]

The part of the outdoor air conditioner or heat pump that compresses and pumps refrigerant to meet household cooling requirements.

The outdoor portion of an air conditioner or heat pump that either releases or collects heat, depending on the time of the year.

A movable plate, located in the ductwork, that regulates airflow. Dampers are used to direct air to the areas that need it most. Typically used in a zoning application.

An air-conditioner or heat pump that is shipped dry and charged with refrigerant at the place of installation. Dry-charged units are appropriate for homeowners who need a replacement unit compatible w [..]