Energy Core Construction

Energy Core Construction operates as a window installation service in Fresno, California, maintaining a 5-star average rating across 11 verified customer reviews. The contractor serves the broader Central Valley region, including Riverside and Escondido, providing residential window replacements alongside complementary home improvement services. With a team of 28 experienced professionals and partnerships with leading manufacturers including Anlin windows, Owens Corning roofing materials, and American Standard HVAC systems, the company handles projects ranging from single-window replacements to whole-home exterior transformations.

What distinguishes Energy Core Construction is their comprehensive approach to energy-efficient home upgrades. The company offers Anlin replacement windows known for sound suppression and thermal performance, paired with Tex-Cote Cool-Wall exterior coating technology designed to reduce cooling costs. Their service menu extends beyond windows to include HVAC repair and installation, Owens Corning lifetime roofing systems, attic and wall insulation, whole house fans, and patio covers. This bundled service model allows homeowners to address multiple energy efficiency projects through a single contractor.

Customer reviews highlight specific technicians who guided homeowners through their projects. Reviewers mention Max and TY sharing detailed product knowledge to help customers select appropriate window options for their homes. Another reviewer described working with Rocky during the consultation phase for exterior coating, with installation crew members explaining each step of the process and demonstrating consideration for the homeowner's pets. A third review noted Zack's professional presentation and assistance with rebate qualification, while project manager Eron Macias accommodated scheduling needs and ensured all windows, including an overlooked ornamental piece, were properly measured and included in the installation plan.