During cold weather, keep curtains open during the day to allow the sun’s heat in and insulate against heat loss.
TECU ECO-TIP2022-09-232022-11-23/wp-content/uploads/2017/02/TECU-logo.jpgThe Energy Credit Unionhttps://theenergycu.com/wp-content/uploads/2022/09/picture1-e1669224697421.png200px200px