We are a family-owned building performance company specializing in residential energy assessments and energy efficiency upgrades that improve the comfort, air quality, safety, value, affordability and environmental impact of your home.Our services include: energy assessments, air sealing, insulation, duct sealing and Illinois Home Performance with ENERGY STAR® certifications.Our friendly team of experienced experts pride themselves in timely response, fair pricing, excellent service, careful craftsmanship, thorough cleanup and satisfied customers.Green Energy Improvement employs full-time professionals with the following certifications: Building Analyst Professional, Envelope Professional and Whole House Air Leakage Control Installer (WHALCI) by the Building Performance Institute (BPI), Duct & Envelope Tightness Verifier by the Illinois Association of Energy Raters (IAER), lead-safe certified renovator, Illinois Residential Real Estate Appraiser, and licensed and insured general contractor. The company's diagnostics include blower door, infrared imaging, and CAZ testing for identifying and implementing air sealing and insulation improvements