Office Locations

USEL-TEXE Office Location Map_website landscape

Irving, TX (Headquarters)

Eric Johnson – Single Family

Jeremy Velasquez – Multifamily

911 Maryland Drive
Irving, TX 75061
Tel: 972-579-2009


Central Texas

Ross Britton

(512) 800-9003


Charlotte, NC

Paul Gay

 (972) 579-2037


West Coast & Mountains

Jeffrey Slaugh

(720) 939-5720


1373 Forest Park Circle, Suite 201
Lafayette, CO 80026


Mid-Atlantic & Southeast

Marie Nisson

(202) 304-6381







Who We Are

We are the largest provider of energy efficiency and green building services for single and multifamily developers in the world.

How We Work

Through a fully integrated concept-to-completion strategy, our projects reach the highest level of certification at the lowest total job cost.