The answer to the question of which attic insulation is best is, of course, entirely circumstantial. When the design of your attic allows, the best attic insulation is inexpensive, easy to install and will yield the performance you're looking for.
I'm a huge fan of Building Science teacher Joe Lstiburek and I'm finally building my first house with his "Perfect Wall" concept. Join me as I explain this theory for extreme durability and efficiency (and show off a house I'm building in Austin).
In a presentation at NESEA's 2014 BuildingEnergy conference, Rick Nortz from Mitsubishi Electric explains why modern air-source heat pumps are poised to become the fastest growing segment of the US HVAC industry
The 4 major window frame materials are Vinyl, Fiberglass/Composite, Aluminum, & Wood. In this video we will discuss the pros/cons of each type along with my recommendations for the Hot/Humid Southern US.