The main causes of poor indoor air quality (IAQ) are black mold, fungi, bacteria and viruses. Black mold produces fungi spores and defensive toxins which combine with dust cells, waste materials and the by-products of the microbe colony trigger allergic reactions. Bacteria are responsible for the unpleasant smells associated with dirty air conditioning and, along with viruses, can cause disease in humans by airborne infection. All of these contaminants are constantly pumped into the air by dirty air conditioning systems.

A. Gur's products for IAQ assurance programs prevent black mold growth and disease such as Legionnaire's Disease and eliminates bad odors from the air conditioning units while refreshing interior environment

As the building’s air is passed through the evaporator coil, dirt in the air will attach to the cooling surfaces. Often, a filter is fitted to minimize this accumulation and to prevent the airborne dirt from circulating. Unfortunately it is rare that these screens are 100% efficient, especially in preventing very small items such as dust and microbes from circulating.

The indoor unit can be warm and moist, especially when in defrost or heating modes - the ideal conditions for microbes to multiply. Indoor coils, condensate trays and drains need to be cleaned with an evaporator cleaner with disinfectant to destroy any microbes.

After the unit is cleaned and disinfected, it can be safely reactivated. Microbes have been killed and the coils are clean and efficient. However, when system is reactivated, dirt will build up again, microbes will begin thriving again and odors will return – sometimes in as little as two weeks.

A long-term coil treatment is the most successful method of insuring that the inside coil remains microbe free and clean until the unit is treated again. This keeps IAQ at an ideal level for months on end.

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