Service Experts Heating and Air Conditioning from Raleigh came for regular maintenance check and tried to rip us off for a $4000 underground insulation package and house selant. They had a hard sell that our crawl space was wet, needed plastic, had insulation coming down, and more. I checked and it was try and dusty, had plastic thicker than they recommended, and they had torn down some insultation that was fine before they come. Stay away!!
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