Our system is 5 or 6 years old but twice a year they come and look at the unit. He took a pic and said we had "biological growth" that needed a UV light. Quoted us nearly $1,200.
That just seems insane. Is this an issue that needs to be fixed? If so, anyone do it for less?
That just seems insane. Is this an issue that needs to be fixed? If so, anyone do it for less?
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