U-Factor and SHGC: Which Values Are Better For My Windows?

U-Factor and SHGC: Which Values Are Better For My Windows?

When developing a new building (or renovating an existing building), one of the most important aspects of the building envelope to consider is the fenestration. Some projects may enjoy large views through extensive glazing, but depending on the location, orientation,...
City of San Jose All Electric Ordinance Clarified

City of San Jose All Electric Ordinance Clarified

The City of San Jose all electric ordinance is not that “all electric”. Recently the City of San Jose announced their intent to steer the city’s energy use in all new buildings to rely solely on electricity starting with the 2019 Energy Code. This was an aggressive...
Passive House – Next Level Green

Passive House – Next Level Green

The Passive House standard is possibly the world’s toughest certification for building energy use reduction. It requires projects to use levels of insulation that are beyond code and to eliminate nearly all air leaks and thermal bridges. It also requires intensive...

Performance vs. Prescriptive Modeling

Over the past few code cycles, the Building Energy Efficiency Standards have doubled in size. In addition to gains in energy efficiency, there has been an increase in complexity. This complexity gives way to opportunity and options for compliance. The Prescriptive...