Thermalogic is a curtain line featuring an insulating foamback treatment which is tested and approved by Infrared Thermal Energy specialists. This technical aspect transforms Thermalogic curtains into energy efficient panels that will make you save money on your energy bill by minimizing drafts through windows. Why choose Thermalogic insulated curtains? To get more restful sleep day or night due to blackout quality. Act as a sound barrier. Protect your furniture and keepsakes from sun-fading. White backing meets condominium requirements. Insulated Tonal woven grid grommet panel.