I would give zero stars if possible. Total scammers. They will penetrate your home with a free check up and in 15 minutes determine you have mold, bad vents and a myriad of other defects that require $ 3000 in repairs before even looking at the compressor. Do NOT entertain any offer from these abusers and don’t let them work on your AC. Warn your elders whom they target. I’ll add this BBB link rated at C– with a many reported complaints,