The most massive contiguous structure known to all of human history may very well be the American highway system. If its 41,000 miles were made into a parking lot it would be a cube more than 20 miles on a side and could hold 50 million vehicles. Understandably it’s a great way to get around.
To cover or not to cover? It’s a question that HVAC professionals have disagreed on for years. While there are very real benefits to covering your outdoor air conditioning unit in the summer, the practice also carries some potential drawbacks.