We had all our windows replaced by CECS and they did a great job. The entire process was smooth and very professional. We are very pleased with the outcome and appreciated the follow-up service that was provided by Tony. We highly recommend CECS.

I had an outstanding experience with California Energy Consultant Service from start to finish. I want to give a special shout‑out to Sales Consultant Gary Lee, who was meticulous, patient, and incredibly down‑to‑earth. I trusted him right away. He took the time to walk me through every detail and provided an excellent quote that made me feel confident moving forward. I had 18 windows installed, and the installation team was just as impressive. Rodger and Igor worked extremely hard during the f

awesome, fast work! alonso and omar came to my place, got all the windows done in just a couple hours, and did a great job! so much better than i had before, very excited for the noise reduction and better seal for insulation 👍 one of my sills had a board added on top from a previous tenant, they even took it off for the install and put it back better than it was before, patched up the holes in it 😂