How do I choose a window replacement company in Chicagoland?

Look for a company with a long local track record, real reviews, proper licensing and insurance, and the ability to offer more than one product line so the recommendation fits your home instead of their inventory. Ask who actually does the installation and whether they are employees or subcontractors. Be wary of high-pressure sales and “tonight only” offers. A straight answer and a pressure-free consultation are good signs you are in the right place.