Why Build Green?
Terms like "Green," "sustainable," and "eco-friendly" are more important now than ever. Transparency is an important factor in consumer purchasing decisions and it increases consumer confidence in a manufacturer. When a manufacturer lays out their practices and products on the table for review it shows their commitment to making smarter construction and component choices. Listed below are the industry-leading companies that have opened their doors to being evaluated by our company and have become our partners in making smarter RVs, Park Models, Tiny Homes and Emergency Vehicles!

![]() | ![]() | ![]() | ![]() |
---|---|---|---|
![]() | ![]() | ![]() | ![]() |
![]() | ![]() | ![]() | ![]() |
![]() | ![]() | ![]() | ![]() |
![]() | ![]() | ![]() |
Click on a manufacturer below to learn more about their green certification!
Disclaimer: Neither TRA Certification nor its partners offer no warranty or guarantees on the exact measurement of indoor air quality.
What are we looking at?
After an evaluation of the RV manufacturing facility, its procedures and practices, the RV is measured against criteria based on national consensus standards. The criteria involve Resource Efficiency, Energy Efficiency, Water Efficiency & Indoor Air Quality. To learn more, click one of the categories below.

The products below have been eco-verified by TRA Certification and have an element of sustainability that can contribute to the green certification of an RV.
Check out the RVWA and its latest drab to fab project!
About TRA Certification

TRA Certification is an independent 3rd Party Certification/Inspection company based out of Elkhart, IN. We specialize in systems-built construction and work with many RV and modular/manufactured home producers around the country (and Canada!). We have developed a widely accepted green certification program for the RV industry as this industry has incorporated many green practices into it's production for quite some time.
An outgrowth of its parent company, T.R. Arnold & Associates, TRA Certification is a certification organization that caters to the modular, manufactured home, RV and conventional home construction industries. They specialize in green building and energy efficiency programs as well as ISO 9001 and ISO 14000 certifications for environmental management systems. Founded in 1967, T.R. Arnold & Associates Inc. is involved with every aspect of the industries it serves. With corporate headquarters in Elkhart, Indiana, it serves all of North America, Europe, South Korea and the Pacific Rim.