That unbelievably hot, unbreathable air you keep complaining about these days can quickly be turned into a cool breeze at home for just $50 with help of a cooler, a fan and a PVC pipe. Add solar power ...

Now that summer is in full swing, air conditioners are a necessity — and one YouTuber is showing the world how to build one that operates using solar energy for under $50. A video from YouTuber ...

These homemade air-conditioner designs take the mystery out of cold-air production. Some are complicated, some are cheap and simple, some run on alternative energy, and the last one is so out there ...