I have a master cool swamp cooler on my roof. We haven't used in in 2 years.
Is it safe to turn on (as far as bad dust, mold/mildew), or should I wait for a technician to service it first?
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I have a master cool swamp cooler on my roof. We haven't used in in 2 years.
Is it safe to turn on (as far as bad dust, mold/mildew), or should I wait for a technician to service it first?
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