• Shop around and get free
estimates from several different companies • Make sure the company you choose is bonded in case they cause damage to your home • Ask to see a list of references or other people that you can call to see how well they performed their job • Check with the BBB or local watch dog group to make sure that they haven't had numerous complaints • Make sure they agree to give you a free estimate and that they warranty your work • Also, make sure the work order is negotiable.