Air conditioning refers to the cooling and dehumidification of indoor air. An air conditioner (often referred to as AC) is an appliance, system, or mechanism designed to stabilize the air temperature and humidity within an area.

A backflow prevention device is used to protect potable water supplies from contamination or pollution. Most Backflow prevention devices must be tested annually to ensure that they are functioning properly.

Energy Star is a joint program of the U.S. Environmental Protection Agency and the U.S. Department of Energy helping us all save money and protect the environment through energy efficient products and practices.

A forced air furnace is a device that warms air that is then circulated through a building.