ASHI Reporter September 2011, Feature

Solving Jigsaw Puzzles in Four Dimensions

Excessive and improper use of flexible insulated plastic HVAC duct tubing quickly is becoming pandemic in the home-building industry. I regularly see HVAC systems that look like they were patterned after the villainous “Doctor Octopus” of the Spiderman movie.

By: C. Blaine Illingworth III read full article
View More Articles