Comfort by KULA was founded with a simple belief: homeowners deserve access to the world’s best window technology—without the complexity, confusion, or compromises often found in the replacement window industry. 

For more than 125 years, KÖMMERLING has been a global leader in window engineering, supplying advanced window systems and components to manufacturers around the world. 

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KULA windows are assembled using KÖMMERLING-engineered components and systems, then built, configured, and supported by Comfort by KULA to meet the specific performance, climate, and service expectations of American homeowners.