Depending on your specific installation you may also have special permits that need to be obtained, landscaping that needs to be changed, removed, or modified, delivery and installation costs for setting the unit if the access to the site is difficult, costs to change out or modify your gas supply system including a new tank, new regulator, new gas meter, or fees to the gas public service to even determine if you need an upgrade, a site plan for state approval, etc. Every installation can have its own set of variables that need to be analyzed by our technicians to be certain what all may be involved.