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D.R. Nelson and Associates Supporting Sponsor Building Science Delivered
D.R. Nelson and Associates (248) 393-9100 Visit Website P.O. Box 403, Lake Orion, MI 48361

Who We Are

For more than 30 years, D.R. Nelson & Associates has been helping home owners and builders make informed decisions about how to build energy efficient homes. Over that time, we have delivered building science solutions to over 100,000 new homes. There is no company in the world with more experience in the measurement, identification and elimination of air leakage, or delivering cost-effective solutions.

What We Do

The Nelson Energy Seal® is the first step to energy efficient construction and helps to ensure that your home will perform at peak efficiency. Our service improves your home’s performance and protects the R-Value of your insulation by eliminating excessive air leakage. Eliminating these sources of air leakage through effective sealing during the construction process is the single greatest impact you can have on your home’s performance.

Our Work