Is Switching On And Off Air Conditioner In A Closed Room Dangerous?
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Scenario: Air conditioner ON for 3 hours and switched OFF for next 20 minutes in a closed room. And switching it back ON and OFF periodically at 1 hour interval.
Doubt: I heard from my son’s paediatrician, that switching ON and OFF air conditioner in a closed room could increase the bacterial growth. As bacteria multiplies rapidly at some optimal room temperature. Is that true.
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Categories: AC Questions
Nope.
Under some conditions large commercial installations, like those with a water cooling tower, can have problems. Legionaire’s Disease comes to mind. A properly operating residential A/C unit dries the air on the room side of the unit, any moisture removed from the room goes outside, so any bacterial growth is outside the room. I suspect he read an article that made reference to a commercial installation but did not make the distinction clear.
A/C is often recommended for persons with respiratory problems. A thermostat that turns the unit on an off to maintain a set temperature, even a small one room window unit, is standard equipment. Just read and follow any manufacturer’s instructions on cleaning, usually just sponge like filters on the intake side of the fan, to minimize dust and mold spores
Extremely unlikely, assuming the air conditioner is installed and working properly and that there is no source of stagnant water adjacent to your unit. The ideal temperature range for bacterial growth varies depending on the species. However, unless you happen to be using the room as a walk-in freezer, the room temperature will stay remain warm enough for bacteria to survive and multiply. Central air conditioning and automatic thermostats work by turning on & off the air conditioner all the time.
not sure but may be possible.