Complete 1 system a/c repair and preventative maintenance check. Change filter. Find water in crawlspace. Customer needs to get a plumber to check on leaking water. Clean ac coil and cut bushes around the a/c unit for the customer. Find duct system very dirty and breaking down. Insulation falling off. Find crawlspace unsanitary and not healthy air. Need to install a dehumidifier, need to remove water and clean crawlspace. Need to remove and upgrade a new duct system and need to install an air purifier system. System operating at this time.