No need to use this firm (Standby You, LLC) he is the middle man (salesperson for generac). Go directly to a company who sells generators. You need a plumber and electrician to install. If you use the above company you will pay thousands of dollars more for your installation. Remember, he is only a sales person looking for signed contracts to do maintenance on your generator. He fees are extremely high for his maintenance, he is looking for a minimum of a $1,000.00 per year fee. Normally you should be paying approximately $200.00 to $300.00.