Portland Window and Door Services

Home with windows and door

Thermo-O-Loc offers a variety of services in the greater Portland area including: Portland Window and Door Services

  • Glass and Window Replacement

  • New Construction

  • Window Design Consultation

  • Door Replacement

    • Patio Doors

    • French Doors

  • Siding

Therm-O-Loc will work with our customers in the home to help select the right windows for each opening. This service is provided free of charge. Energy efficient windows increase the comfort level in your home by reducing cold drafts and making a house feel warmer in the winter and cooler in the summer.

They help control condensation because the interior surfaces of energy-efficient windows stay warmer, allowing you to maintain a higher level of humidity without worrying about condensation on your windows. Therm-O-Loc is an independently owned company and have been in business since 1990. We stand by our Window Replacement and the improvements it will bring to your home.

Visit our FAQ for more answers to Frequently Asked Window & Glass Replacement Questions. See what our happy customers have to say on our client testimonials page.