#1 Among Building Pros

It’s a brand you can trust. Why? Because year after year, building professionals ranks Therma-Tru #1 – as the brand they prefer most. 

Experience & Know-How

Behind every Therma-Tri door stands decades of experience and technical know-h0w. Therma-Tru makes or recommends every aspect – from the glass to the hinges – to bring your home durability and reliability through the years. 

Lifetime Limited Warranty

When you pay close attention to every detail that goes into a door, you can stand behind its parts longer than the rest. That’s why your Therma-Tru  fiberglass door system is backed with a lifetime limited warranty – the industry’s most comprehensive warranty of its kind. 

Energy Efficiency 

More than 80% of Therma-Tru door and glass options are ENERGY STAR qualified and National Fenestration Rating Council (NFRC) certified, helping save money on energy costs.