About Envelope Science

McNeal and White Contractors, the parent company of Institute of Envelope Science has been in business since 1998. The business is Co-owned by JR. McNeal and Marc White. McNeal & White is managed by a staff of building and energy professionals that are trained in all areas of construction. Combined they have over 30 years of construction experience.

Over these years we have noticed a shift in the housing market and as always McNeal & White contractors have risen to the occasion. McNeal and White contractors currently weatherize homes for qualified citizens all over the state of Florida. Our staff is trained in Weatherization Auditing, Energy Rating and many other certifications.

In 2009 McNeal and White Contractors created The Institute of Envelope Science located in Deland, Florida. We not only have experience in weatherization, lead safety and all other aspects of business and residential contracting, we are equipped to train, educate and offer certification to those wishing to attend as well. IES offers a rigorous curriculum that gives students a coherent understanding of 21st-century global energy challenges, technological solutions, environmental impacts, and policymaking in the public and private sectors. The integration of educational opportunities and cutting-edge research makes IES a unique undergraduate experience.

IES offers advanced training to help you master the construction market, reliable energy market data and news, as well as successful and proven energy and construction advice. IES brings to bear deep expertise and practical industry experience that our clients respect and trust every business day.

IES is dedicated to providing the most comprehensive and exciting training experiences available to energy professionals. IES's energy education offers Comprehensive, fully-accredited education programs that focus on climate relevant weatherization, construction, project management, risk management, and continuing education and all types of training from basic to advanced levels. Training programs performed at our state of the art training facility.