Window Replacement & Installation From The Experts At Desert King Windows Family owned and operated for over 20 years. Desert King Windows has helped countless individuals with their windows’, patio door, and entry door replacement projects. We offer a wide range of energy-efficient products, all of which are made of the best materials and come with a lifetime guarantee. We also offer free, no pressure, in-home estimates, so that you understand the pricing associated with the products you’re interested in, as well as flexible and easy financing plans.