Save Energy at Home – Use Blinds! Home Improvement by Yoey Thamas - April 23, 2014April 23, 2014 Save Energy at Home - Stop It From Going Out Of The Window Almost 30% of heat loss in homes take place through windows. Homeowners can cut down their heating and cooling bills by approximately 25% by virtue of using blinds. Blinds block the UV rays and shade the sun’s rays