- This directory is intended to help builders find contractors who offer duct and envelope testing (DET) for energy code compliance verification in Pennsylvania.
- If your company does not offer DET services, please DO NOT complete this form.
- If your company only offers DET services as a part of a larger offering (e.g. HERS Ratings or Energy Star certification), please DO NOT complete this form.
- If your company has staff who perform DET services based out of multiple locations, please select the number of locations you’d like to list and complete one address field for each location.
- Only list your company headquarters if there are staff who perform DET services in Pennsylvania and operate out of that location.