With escalating costs for oil, gas and electricity many people are turning to a professional energy audit to help them find ways to trim dollars off their yearly energy consumption tab. You can do your own energy audit or you can turn to a professional with specialized equipment to perform an audit on your behalf. Take our quiz to learn what needs to be checked and what changes can save you money on energy.
How much do you know about how car engines work? And how much do you know about how the English language works? And what about how guns work? How much do you know? Lucky for you, HowStuffWorks is about more than providing great answers about how the world works. We are also here to bring joy to your day with fun quizzes, compelling photography and fascinating listicles. Some of our content is about how stuff works. Some is about how much you know about how stuff works. And some is just for fun! Because, well, did you know that having fun is an important part of how your brain works? Well, it is! So keep reading!