Hi! I recommend this from Amazon; they're cheap and adhesive. If you spray alcohol behind it as you pull it off, it will not damage the paint. (Alcohol makes the adhesive shrink) https://www.amazon.com/dp/B098DN92RS/ref=cm_sw_r_apan_glt_i_F1VSXR2A7HP6ZE8VA9R7?_encoding=UTF8&psc=1

Also try:

Rugs Thick curtains Door draft barrier

Let me know if you need anymore ideas. 😊

Pop these bad boys on your ceiling, night and day difference: https://www.amazon.com/dp/B098DN92RS/ref=cm_sw_r_awdo_D93ZVFE0SCT7QZR7GXHN