I'm living in a really hot region where summer temperatures can hit nearly 50°C. Right now it's around 40°C and my air-conditioned room feels like it's not cooling down properly. I've noticed that two of my windows are letting in hot air, which not only makes my room uncomfortable but also drives my electric bills through the roof. The windows are large, dark blue tinted glass ones that don't lock and it seems they leak a lot of heat. Since I'm in a rental and can't replace them, I'm looking for safe ways to seal them from the inside. Would caulk work, or are there better options? Any tips would be greatly appreciated since I'm pretty new to this!
4 Answers
If your windows aren’t closing properly because they don't lock, it could mean they’re warped. You might want to try adjusting the locks or checking if you can fit them better to actually close properly.
If you're looking for a more temporary solution, you could just tape over the cracks. I do something similar with my screen door when it leaks. Simple and quick!
Have you tried indoor window insulation kits? They're usually used in winter but can help a lot. You can find cheap ones at stores. Tape it around the edges, then use a hair dryer to shrink the plastic for a smooth finish. Caulk is probably better but can be messier. You might also consider using rope caulk—it's a putty-like material that you can press into the cracks. Just make sure to see what else might be pulling in hot air, like running fans or dryers.
One great option is to use painter's tape around the window frame, applying it about a quarter inch onto the glass for a clean edge. Then, use clear silicone caulk to seal the gaps. Make sure to pull the tape off right after you finish caulking to keep the lines neat!
Thanks for the tip! I’ll definitely give that a try and let you know how it goes. I can't take good pictures right now since it's dark, but I’ll update in the morning!