Energy Efficiency
Therma-Tru entry door systems are ENERGY STAR compliant and NFRC Certified. ENERGY STAR is a government-backed program helping businesses and individuals protect the environment through superior energy efficiency.
Does your Therma-Tru Door Qualify?
While virtually all of our products qualify for the Energy Star program, we recommend checking the lists below to find out exactly what does and doesn't qualify for this program. Qualified products are also noted throughout our online catalog.
Entry door qualified products
Patio door qualified products
Product eligibility for the Energy Star program is based on the climate zone where a product is installed.
Energy Star Climate Zones
