We provide Blower Door Testing and Duct Blaster Testing services for the Mid-Atlantic (Maryland, Delaware, West Virginia, Virginia and Pennsylvania) Region. Give us a call today to schedule your testing, consulting, and or inspection needs to ensure you meet the 2009/2012/2015/2018/2021 IECC Compliance requirements. Prompt service ... Not sure what you need to do Ask the BPS Help Desk! I Our experts can help!