Pella Certified Contractor

We are the only Pella Certified Contractor in the South Bay, and Los Angeles area.

Gerlach Windows and Doors is your Pella Certified Contractor assuring you that your window or door project will be installed correctly the first time. 

We would be happy to come out to evaluate your window and door replacement needs. 

We Can Save You As Much As 30% Over Direct Purchase


Pella offers the highest quality windows for every installation. You can select from a wide variety of standard shapes and sizes or create your own custom design to accomodate a unique architectural element.

Bay and Bow
Special Shape



Doors welcome people into your home or a room within your home. Doors define the boundaries of your home and your world. The right door makes a statement about you and your style. The Pella catalogue offers many choices in both standard and custom designs.

Hinged Patio
Sliding Patio


Product Lines

Pella's large and diverse selection of styles ensures you'll find windows and doors that fit your unique design. Modern homes often mix styles so you may need to combine doors and windows from multiple product lines to accomodate different aspects of your home. You'll have the confidence of knowing that each product has been built and installed to the highest quality standards, guaranteed.

Architect Series®
Designer Series®

Pella® Impervia®
Centera by Pella™
Encompass by Pella®


ThermaStar by Pella™
Entry Doors
Storm Doors
Visit for a complete overview of the Pella products Gerlach Windows sells and installs.