BPI Building Analyst

IES Green is a Certified Building Analyst through BPI (Building Performance Institute). BPI certified professionals are individuals who have been trained to meet your problems head-on. They have proven their skills, meeting our stringent, nationally recognized standards by passing both written and field examinations.

Many state, local and utility energy efficiency programs use the services of BPI certified professionals, because they know they will get quality work with a good return on investment. In fact, the Home Performance with ENERGY STAR® program from the Department of Energy (DOE) and Environmental Protection Agency (EPA) cites BPI or equivalent for individual certification.

Building Performance Institute, Inc. (BPI) is the nation’s premier building performance credentialing, quality assurance, and national standards setting organization. BPI supports the development of a highly professional building performance industry through individual and organizational credentialing and a rigorous quality assurance program.

RESNET Home Energy Auditor, Rater & EnergySmart Contractor

IES Green is certified as a RESNET (Residential Energy Services Network) Home Energy Auditor and rater, having undergone extensive training and satisfied its national standards for energy auditor certification. IES Green is fully trained to communicate where energy loss is occurring in your home, and which improvements will increase your comfort and save you money on your energy bills. A RESNET Home Energy Auditor also knows the order that work must be completed to achieve the desired results, as well as the potential hazards and safety precautions.

IES Green is also certified RESNET EnergySmart Contractor. The EnergySmart designation for contractors and builders was created in the interest of homeowner protection and safety. The EnergySmart designation sets a national standard of competence for energy efficient installations, retrofits and building projects, and includes training on industry best practices and related safety issues.

EPA Lead-Safe Certified Contractor

IES Green is a Certified Lead-Safe certified firm through the Environment Protection Agency.

Energy Star Partner

IES Green is a partner with Energy Star and is able to provide you with recommended home improvement projects to increase energy efficiency and comfort in the area where you live.

ENERGY STAR is the government-backed program that helps us all save money and protect our environment with energy-efficient products and practices. Whether you are looking to replace old appliances, remodel your home, or buy a new house, ENERGY STAR can help. More than 60 types of products, including televisions, computers, heating and cooling equipment, and even new homes can earn the government’s ENERGY STAR label. ENERGY STAR also offers best-practice solutions to make your home more comfortable and reduce your energy costs.

Homes earn the ENERGY STAR label only when an independent 3rd party verifies that they meet ENERGY STAR guidelines. As a Home Energy Rater, IES Green is qualified to do independent third-party consultation and performance testing and verification for new homes and deeply retrofitted existing homes.

Home Advisor

On staff at IES Green is a LEED AP (Leadership in Energy & Environmental Design Accredited Professional Accredited Professional) architect. The LEED AP credential signifies an advanced depth of knowledge in green building practices.

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Magnetite window panels are a unique interior mounted insulating panel that will instantly improve the energy efficiency of your existing windows, reduce outside noise, increase the comfort of your home, and cost substantially less than window replacements.


Frank - Aurora, IL

Tony Botkin of Intelligent Energy Solutions (IES) performed a blower door test and indentified areas of air leakage in the attic and other places. There were various holes or openings at the top of the walls that allowed cold air to leak into the walls behind and in front of the wall insulation... Read More

IES Green's staff of trained and experienced professionals is ready to help you realize your goal of having an improved energy-efficient home and a positive contracting experience.