Contact Alison or Robert Scott 512-986-7045 for Free Energy Audits (www.greencollaroperations.com) Green Collar Operations is a home energy efficiency company in Austin, Texas. We are committed to helping Austin and Central Texas homeowners reduce their monthly utility bills and energy usage. We make retrofits to your home or office to be more energy efficient. We specialize in duct repair or replacement, duct sealing & testing, system performance testing, air balancing, air Infiltration sealing, attic insulation, Solar Attic Fans, Radiant Barrier & Heating and Air Conditioning replacement.