Pricing for these projects varies widely. Obviously if we install on the 26th floor of a condo in Pittsburgh, that'll be very different than installing two blocks away in a suburban house five minutes away (with a wide driveway).
Please pick out a few pictures, send me an email and include your location and I will do my best to give you an approximate cost.
Formal proposals are given after a site visit. These proposals detail the scope of the project and give you a firm price.