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What Grade Does Your Insulation Belong In?

Shawna HendersonFebruary 01, 2017

In the US, there’s a requirement for HERS raters to determine if batt insulation has been installed properly. There are three ‘grades’ of batt installation, with a Grade 1 installation being the best and Grade 3 being the worst. When batt insulation is installed properly, it touches all six sides...

Proper installation technique for proper batt insulation

Shawna HendersonFebruary 20, 2015

Oh, how I yearn for RESNET Grade I installations...here's how to get 'em.

Drainwater Heat Recovery Units & Water Efficiency

Shawna HendersonFebruary 16, 2015

Hot water distribution efficiency is now included in HERS ratings, under an amendment to ANSI/RESNET Standard 301-2014. This is a Good Thing. To date, all of our efforts to represent, and then minimize, hot water usage have been skewed by distribution systems (ie, by the vagaries of plumbing). According to...