Studies have identified the three most common causes of poor IAQ as inadequate circulation of outside fresh air, inadequate design or maintenance of the HVAC system, and lack of humidity control.
In our typically dry Southwestern climate, humidity doesn’t seem to be much of a problem. However, during our summer monsoon season, or when swamp coolers hold biological hazards like bacteria, fungus or mold, it can set up a breeding ground that affects IAQ.
When a home or office has poor IAQ, health and productivity may suffer. Studies produce by the U.S. Environmental Protection Agency (EPA) show that some indoor environments can have levels of pollutants high enough to actually classify as a health risk. Dust mites, found in upholstery, carpet and furnishings, can also be influenced by the humidity level of the interior air.
Evaporative coolers, or swamp coolers, work by pushing airflow over a damp pad, cooling that airflow. Because they add humidity to your indoor air, they don’t work very well when it becomes more humid outside. Swamp coolers can trap some particulate matter in the damp cooling pads when bringing the outdoor air into the building. However, on particularly dusty days or when our New Mexico skies are filled with smoke and ash from forest fires, swamp coolers will not eliminate the particulate matter or smoky smell.
Swamp coolers are heavy water users, another factor to consider when choosing a cooling system, as well as their impact on IAQ. For more information on the types of swamp coolers and their differences on indoor air quality versus an air conditioning system, call Affordable Service and speak with one of our trained technicians.