The air handler is the indoor part of the HVAC unit that contains a blower and coils for heating and cooling. In a HVAC system that uses a fossil fuel, the air handler contains the heat exchanger, which is a firebox that... More » Home & Garden Heating & Cooling

The standard warranty for an air conditioning unit varies depending on the manufacturer, type and model. Most air conditioners come with a standard parts replacement warranty, but the length of the warranty can vary from... More » Home & Garden Heating & Cooling

Freon is recycled throughout an air conditioning unit, and should not need to be added to the unit unless the system has a leak. In some areas, Freon is a regulated substance and cannot be obtained without the proper lic... More » Home & Garden Heating & Cooling
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An HVAC gas pack is a heating and cooling system with the heat pump and the air conditioner housed together in a single unit. HVAC gas packs use propane, natural gas or oil for heating purposes, and for cooling purposes,... More » Home & Garden Heating & Cooling

A split air conditioner system is one in which the evaporator coils and air handler are physically separated from the condenser coils. These are also known as central air-conditioning systems, since the separated evapora... More » Home & Garden Heating & Cooling

To clean the blades of an air conditioner's blower, the homeowner unplugs the unit, removes the blower, wipes the blades down using a bleach solution and scrubs the blades with a stiff brush. A vacuum may be used for oth... More » Home & Garden Heating & Cooling

A heater blower is a device attached to a heating unit that helps to distribute air throughout a vent system or move it in a specific direction. Unlike standard fans, blower fans often have multiple blades designed to mo... More » Home & Garden Heating & Cooling