Green Certification Programs & Resources

TightLines Designs offers guidance in various green home certification and construction processes. We are happy to work with you to determine attainable and sustainable goals, select an appropriate program, and provide you with the know-how to implement construction details and ensure certification.

Certification Programs

Browse these local and national green home certification programs to find a program that is right for you.


EPA Indoor airPLUS

LEED for Homes

North Carolina HealthyBuilt Homes 


EarthCraft House (Southeast)


Browse our recommended resources for guidance in green construction, best practices, and financing.

Green Tax Credits & Funding

Advanced Energy.  A non-profit company located in Raleigh, North Carolina that provides an online knowledge library and training courses for builders and homeowners interested in energy efficiency and indoor air quality.

ENERGY STAR® for Affordable Housing.  Provides extensive information for funding, tools, and resources for making homes more energy efficient and healthy.

Enterprise Green Communities.  A framework for developers to pursue green building in affordable multi- and single family developments. Funding and guidance is provided through the program.

EarthCraft House.  A green building program for the Southeast that serves as a blueprint for healthy comfortable homes that reduce utility bills and protect the environment. The aim of the program is to help home builders be leaders in smart growth management and environmental stewardship.

U.S. Department of Energy Building Technologies Program.  Offers many publications about best building practicies for energy efficiency across the country.

Expertise.  Connect with the best local experts, hire top-rated professionals and read guides written by experts in their fields.