One of the first things that will come into perspective when you are looking at the installation of a Dwight chairlift is the cost of installation. This is something that might not have been in the plan for the house in the first place, so having it installed will be a cost that you have to factor in. You can take the time and research on a number of companies that provide these services. From there, seek quotes from them before you can settle on the ideal contractor to take up this project for you.