Kaz Brothers is a full-service home improvement company serving western New York. The company has multiple divisions that focus on remodeling. Kaz Brothers has a showroom in West Seneca, N.Y. The company has crews that specialize in bathroom and kitchen remodeling; roofing; replacement window/door installation; vinyl siding; heating/cooling/plumbing; concrete; insulation; and garage doors. Kaz Brothers is a Building Performance Institute Home Performance with Energy Star contractor. It uses prominent national brands on its projects, including Andersen windows, Certainteed and Elk roofing products, Raynor garage doors and openers and Haas cabinetry. Kaz Brothers Construction s general contracting capabilities include design/build home additions, garages and whole-house remodeling.