Why Michigan Window and Siding Michigan Window and Siding uses the highest quality materials, backed by the longest, most extensive product warranties in the industry. We also provide a Lifetime Warranty On Workmanship for our all our services and installations. At MWS, we offer you the best guarantee with the least amount of hassle. At the time of estimate we will provide you with our best price offering for the job. We do not engage in the bait and switch, over price then discount numbers games that have become all too common in the home improvement industry. Why Choose Us? High Quality Work Lifetime Warranty on Workmanship Great Customer Service Locally Owned & Operated Prompt Project Completion Project Planning assistance and onsite management Secure - Fully Licensed & Insured Contractor Reliable - proven track record that readily offers client references and a list of completed projects Detailed - We provide a detailed written proposal and outline for the work and a payment schedule. We offer Free Estimates! When you work with Michigan Window and Siding you receive the highest quality service for your home. With more than 20 years' experience, we know home improvement inside and out: kitchens, bathrooms, windows, siding, and roofing. Over the years, we've also learned some things about customer service. We believe you should expect great service: prompt, consistent project updates; attention to detail; and up to date industry and building code knowledge.