NEWPRO Replacement Windows are New England's FIRST CHOICE Replacement Window. They are custom made and manufactured in NEWPRO's own local factory in Bellingham, MA. NEWPRO Replacement Windows are custom-fit for your home and can deliver dramatic increases in your home energy efficiency. Plus, all our windows are installed by NEWPRO Installation Masters certified installers. In addition to windows, NEWPRO offers energy efficient insulated siding, roofing, doors and most recently bathwraps - tub/shower liners, replacements, tub to shower conversions and walk-in bathtubs.