Air Conditioners
A traditional home comfort system has two parts: an indoor unit, such as a furnace or air handler, and an outdoor unit. An air conditioner is the outdoor unit that cools air and sends it to the indoor unit for circulation through your home. Indoor and outdoor units are designed to work together. When the air conditioner is properly matched with a furnace or air handler, you get maximum efficiency and longer system life. Air conditioning and cooling efficiency is measured using a Seasonal Energy Efficiency Ratio (SEER). A higher SEER means higher energy efficiency. The latest standard for SEER is 13 (beginning January 2006).
Here’s what makes it cool
A "split system" central air conditioner includes a compressor, fan, condenser coil, evaporator coil and refrigerant. The system removes heat from indoor air and transfers it outside, leaving the cooled indoor air to be recirculated. A central air conditioning system uses electricity as its power source.
Even the best air conditioning system occasionally needs repairs. Some common mechanical problems include refrigerant leaks, dirty coils, and problems with the compressor motor. Usually, professional is needed to diagnosis and repair these issues. If you notice your unit is making a lot of noise or is no longer cooling effectively, call an AC technician as soon as possible. While many of these problems do not cause your system to break down entirely, they will impact your unit’s efficiency and cause wear and tear on the other components.
The basic components of an air conditioning system are:
- A Condensing Unit (the outdoor section)
- A matching indoor air handler or furnace with coil
- Ductwork to transfer the cooled air throughout the hom

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