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Homeowners in Lawrence typically pay $350–$750 per window installed. 12-window replacement: $5,000–$11,000 before rebates. After Mass Save rebates, effective cost drops significantly. for window replacement. Costs depend on the number of windows, frame material, glass package, and whether you need full-frame or insert replacement.
Mass Save: $100 per ENERGY STAR-certified window with U-factor ≤ 0.27. One of the most generous window rebate programs in the country — a whole-house replacement can earn $1,000–$2,000 in rebates.
MA Home Improvement Contractor (HIC) Registration required under MA OCABR.. Ask any contractor for their license number and verify it online before signing. Also confirm they carry general liability insurance and workers' compensation.
MA winters are harsh — Boston averages 43 inches of snow per year. Triple-pane windows with argon gas fill and Low-E coating are strongly recommended for homes built before 1990.