After purchasing a brand new unit for almost $7,00...

After purchasing a brand new unit for almost $7,000, I can t get them to show up to troubleshoot it in a timely manner. Need them to come during the heat of the day when the problem exists and they have not made it in 3 different appointments. So much for a warranty if you can t get them to show up. There are plenty of companies that will take your money and give you bad service- this one is the leader of the pack.