The main reason why it is important to get quotes from contractors consists in the fact that you have to make sure that you get the best possible deal out there. Apart from that, there is the problem of not being able to calculate the sum needed to cover the entire project. Getting a quote gives you the certainty that you choose the contractor and the products (http://dmdbuilders.com) that fit your budget for the project.
One good idea when dealing with such projects is getting at least 5 quotes so you can compare the offers when you have no other knowledge of the topic at hand. You can distinguish between the average price, expensive and cheap offers, you can identify the elements most contractors consider to be important and you can choose the quote with the best cost / quality ratio.
In the end, the choice of the contractors who will handle the installation of your replacement windows, Denver based or not, will depend on the materials they plan on working with, the number of windows of the house, the quality of the products and the experience and skill level of the team called on site.