WINDOW SOLUTIONS... FREE IN HOME ESTIMATES. We are an environmentally friendly, family-owned and operated business, and we have been working in the industry for three generations! We specialize in New Construction (complex to custom) and Replacement(Retro fit) windows and doors. We have earned a reputation as a leading supplier and installer of new construction and retro-fit replacement windows and doors. We serve the needs of residential and commercial customers of El Cajon, CA and surrounding cities. Please call us today at (619) 258-0515 for a free in-home consultation.