The beautiful look and convenient function of sash windows bring a lot of value and enjoyment to your home. These unique features also need special considerations when it’s time for sash window repair and renovation.
To ensure great aesthetics and energy-efficient performance from your sash windows, you need to hire the right people. Experts in sash window repair can deliver the best results, from preserving the look of antique sash windows to installing modern glass and fixtures.
Some helpful considerations for choosing a sash window repair company:
Experience. Not all glass and window companies deal with sash windows very often. Repairs often require dismantling the sashes and working with unique fixtures. You want someone with expertise in residential windows who performs repairs and renovations on sash windows regularly.
Aesthetics. Ask to see examples of the company’s work if possible. Sash windows require special attention to paint and fixtures when performing repairs. You should feel good about hiring someone who will respect the design and appearance of your windows.
Eco-friendly. To save energy costs and prevent unnecessary use of resources, ask about repairing and refurbishing instead of replacement, and options for energy-efficient windows.
Licensing and insurance. It’s important that your sash window repair company uses only workers who are licensed and insured. Even if you just have a small repair job, you’ll get better results from a professional team of experts who have all the appropriate credentials.
Above all, make sure to have a conversation with your sash window repair company about your expectations for repair or renovating your windows. You want to be on the same page and communicating with a trustworthy, experienced professional.
2026 Update: Hiring for Sash Window Work
Sash windows aren’t forgiving. Here’s how to vet someone before they touch yours.
What should I ask a sash window repair company?
Ask how many sash jobs they do a year, whether they can show past work, and who’s actually on site. Get license and insurance details in writing. Vague answers? Move on.
Is it cheaper to repair or replace old sash windows?
Repair usually costs less when the frame is sound and the problem is cords, balances, glazing or paint. Replace when rot runs deep or the frame can’t hold a seal. A good company will tell you which, even if it’s the smaller job.
Can old sash windows be made energy efficient?
To a point, yes. Weatherstripping, sealed gaps, storm panels or upgraded glass all help a lot. They won’t match a new dual pane unit on paper, but you keep the original look.
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Planning a project in Sonoma County? Explore our window and door services or contact D&D Glassworks to talk with our team.
