Northeast Energy Efficiency provides professional blower door and duct testing for builders, contractors, and homeowners across Maine, New Hampshire, Vermont, and Northeastern Massachusetts. Our certified team helps projects meet or exceed state energy codes for airtightness and overall efficiency. From new construction to renovations, we partner with you early in the process to plan for compliance, prevent delays, and avoid costly rework. We deliver reliable testing, clear reporting, and quick turnaround to keep your project moving. Contact us to schedule your blower door or duct test and ensure your build meets ' energy standards.