3 Best Window Companies in San Francisco, CA

“Window Factory specializes in replacement windows and doors throughout the San Francisco Bay Area. Rachel Blum and Jaclyn Blum-Guelfi are the co-owners of the company. The company has more than 150 combined years of experience in the field. Window Factory is bonded and insured and carries required limits of General Liability and Workers Compensation Insurance. They are 100% dedicated to meeting and exceeding your home improvement needs. They have taken thousands of customers step-by-step through their window and door replacement projects. Window Factory offers a thermally improved aluminum window from Milgard that is both energy-efficient and aesthetically appealing. They offer free in-home estimates.”

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“American Home Renewal, Inc. is a family-run business for more than 27 years. The expert in-house crews work to make your home more comfortable and energy efficient by installing replacement windows, siding replacement, entry doors, and gutters. They are nationally recognized brand names like Milgard, Andersen, James Hardie, CertainTeed, Anlin, Therma-Tru, Alcoa, and Sierra Pacific. They are 100% committed to your complete satisfaction with a guarantee for every customer. American Home Renewal, Inc. offers clear and thorough warranties for both workmanship and materials, including a Lifetime Labor Warranty standard with every project.”

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“Ocean Sash & Door Inc. has been in the window industry for 140 years. The company was founded by Fernando Nelson. He is responsible for building over 4,000 homes. Their team of professional master crafters has expertise in matching almost any style, or, should you desire, creating something new entirely. They match all types of windows and doors and can include modern insulated glass, weather-stripping, and epoxy-clad upgrades. Every set of replacement windows they create is custom built from start to finish. The company specializes in custom-made all-wood Victorian windows, matching historic San Francisco entry doors, archtops, eyebrow arches, and bent double-hung sashes. The company offers an estimate.”

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