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More and more Americans are moving closer to the sun. Spend any time around warm-weather cities like Orlando, Phoenix and Las Vegas, and you'll be convinced they're simply giving jobs and housing away to newcomers. And the modern marvel that makes life possible in sultry climates is none other than air conditioning (AC).
Some Americans living in northern states might consider AC a luxury, but for people living in Texas and Arizona, AC is as mandatory as a refrigerator. Certified home inspectors will generally encounter two kinds of AC systems: central air conditioners and room air conditioners. A career in home inspection will make you mighty familiar with their characteristics.
Room AC units are easy to spot, because they're usually stuck in a window or built into the wall, with both the air compressor and air handler contained within the unit. The most important thing to check for with a window unit is whether it has been safely installed -- becoming a home inspector means you'll learn to put on a "safety hat" while on the job. When it comes to central AC, however, the compressor is generally located outside by the foundation.
The biggest obstacle in effectively inspecting air conditioning units is the calendar. You can't properly inspect an AC unit unless it's hot outside. You should never turn an air conditioner on in cold weather! Anything below 60 degrees Fahrenheit is not recommended. The best a certified home inspector can do during cold weather is to check the air filter and compressor for any signs of decay, as well as evaluating any visible chords or lines.
Let's assume, however, that it's a hot August morning when you show up for your home inspection job. First, turn on the unit and see if it's operational. Also, note down any excessive wear or damage visible on the unit, as well as its approximate age. Once it's on, see how quickly and how well it cools down the house or the particular room. If the unit was added after the house was built, rely on your home inspection training to see if there any electrical hazards.
For central AC units, it's a good idea to see how well the outside compressor has been maintained. Hedges and trees should be well away from the unit, while leaves and other debris should be kept off its surfaces; a lack of free-flowing air will reduce the efficiency of the compressor.
In general, a well-kept AC unit will begin emitting cool air within minutes. And once you've got your home inspector license, it won't take you much time to get right in there and start evaluating a home's air conditioning system.
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