Ready to build Built to Save® certified homes in the Rio Grande Valley? Here is the step-by-step process — from registration to final inspection — explained clearly for builders.

Pharr is one of the RGV’s fastest-growing cities. Make sure your new home is Built to Save® certified — independently verified for lower bills and South Texas performance.

Shopping for a new home in Edinburg? Built to Save® certified homes are independently verified for energy efficiency — lower bills, better comfort, built for South Texas. See how.

Buying a new home in McAllen? Built to Save® certified homes offer verified energy efficiency, lower utility bills, and better comfort — built for South Texas heat. Learn more.

Learn how AEP Texas high-performance home incentives work, who qualifies, and how energy-efficient construction benefits RGV builders and buyers.

Learn how the 45L tax credit works in Texas, who qualifies, and how energy-efficient certified homes can unlock federal tax savings.

Learn how blower door and duct testing work, why they matter in South Texas, and how these tests prove a home is truly energy-efficient.

Compare BUILT TO SAVE®, ENERGY STAR®, and DOE Efficient New Homes. Learn which energy-efficient home certification works best in South Texas.

This guide explains what a HERS score is, how it’s determined, what the numbers actually mean and how you can use it to compare homes with confidence.

This guide explains energy-efficient home certification and how to choose a program that delivers real comfort and long-term savings in South Texas.