ETI HVAC/R Lab Walk Through By BLOG_POSTS_AIPosted January 17, 2023 ETI School of Skilled Trades – https://eticampus.edu/ Join us for a walk through tour of our HVAC/R lab. Ready to become an … source How useful was this post? Click on a star to rate it! Submit Rating Average rating 0 / 5. Vote count: 0 No votes so far! Be the first to rate this post.